Readers are advised to check the validity of this Certificate by either referring to the Index of Current BBA Publications or contactingthe BBA direct (Telephone Hotline 01923 665400).

1 The Building Regulations 1991 (as amended 1994) (England and Wales)The Secretary of State has agreed with the British Board of Agrémentthe requirements of the Building Regulations to which cavity closers cancontribute in achieving compliance. In the opinion of the BBA, Dacatie

Insulated PVC-U Cavity Closers, if used in accordance with the provisions of thisCertificate, will contribute to meeting the relevant requirements.Requirement: C4 Resistance to weather and ground moisture

Comment: By preventing the passage of moisture to the inner leaf of acavity wall, the products can contribute to meeting thisRequirement. See the Weather resistance sections of theaccompanying Detail Sheets.

Requirement: L1 Conservation of fuel and power

Comment: When the products are used as detailed in this Certificate,adequate provision will have been made to limit the thermalbridging which occurs around openings of which they form apart. They will, therefore, contribute to meeting therequirement of limiting the heat loss through the fabric, andthe risk of condensation at the reveal will be minimal. See theHygrothermal behaviour sections of the accompanying DetailSheets.

Requirement: Regulation 7 Materials and workmanship

Comment: The products are acceptable. See the Durability sections ofthe accompanying Detail Sheets.

Radway Building ProductsSalmon FieldsRoytonOldham OL2 6JGTel: 0161-627 2111 Fax: 0161-626 9993

AgrémentCertificate

No 98/3474

Designated by Governmentto issue

European TechnicalApprovals

DACATIE INSULATED PVC-U CAVITY CLOSERSElément de remplissageHohlraumfüllelement

Product

Regulations — Detail Sheet 1• THIS CERTIFICATE REPLACESCERTIFICATE No 89/2132AND RELATES TO THEDACATIE INSULATED PVC-UCAVITY CLOSERS REFERREDTO IN THE ACCOMPANYINGDETAIL SHEETS.• The products are for use inmasonry walls with cavitywidths in the range 50 mm to100 mm.• The products close cavities atwindow and door openingswithout forming a thermalbridge, and provide a damp-proof barrier between the innerand outer wall leaves at thepoint of closure. The productsare suitable for use with timber,PVC-U and metal window anddoor frames.

CI/SfB

(31.9) Hn6

Typical installation

continued continued

Electronic Copy

2

Requirement: A1 Loading

Comment: When used in conventional cavity walls, the products will notadversely affect the structural stability of the walls. Use of theproducts does not obviate the need for conventional wall tiesbetween the inner and outer leaves at window and dooropenings. Specified closers will transfer back to the structurewind and impact loads imposed on the window or door. Seethe Structural stability sections of the accompanying DetailSheets.

In addition to the contribution which the products can make to meeting the relevantrequirements, the following comment should be noted.Requirement: B3(1) Internal fire spread (structure)Requirement: B4(1) External fire spread (walls)

Comment: When used in conventional cavity walls comprising twoleaves of masonry, the products will not adversely affect thefire resistance of the walls where this is required to be half anhour. See the Properties in relation to fire sections of theaccompanying Detail Sheets.

2 The Building Standards (Scotland) Regulations 1990 (as amended)In the opinion of the BBA, Dacatie Insulated PVC-U Cavity Closers, ifused in accordance with the provisions of this Certificate, will satisfy orcontribute to satisfying the various Regulations and Technical Standardsas listed below.

Regulation: 10 Fitness of materialsStandard: B2.1 Selection and use of materials and components

Comment: The products are acceptable.Regulation: 11 StructureStandard: C2.1 Construction

Comment: When used in conventional masonry cavity walls the productwill not adversely affect the structure stability of the walls. Useof the product does not obviate the need for conventional wallties between the inner and outer leaves and window anddoor openings. Specified closers will transfer back to thestructure wind and impact loads imposed on the window ordoor. See the Structural stability sections of the accompanyingDetail Sheets.

Regulation: 12 Structural fire precautionsStandard: D2.1 Fire resistanceStandard: D4.1 Concealed spaces (cavities)

Comment: Walls incorporating the products can satisfy Standard D2.1where the required fire resistance does not exceed half an hour.The products do not constitute a cavity barrier. See the Propertiesin relation to fire sections of the accompanying Detail Sheets.

Regulations: 17 and 18 Preparation of sites and resistance to moistureStandard: G2.6 Resistance to moisture from the groundStandard: G3.1 Resistance to precipitation

Comment: Walls incorporating the products can satisfy these Standards.See the Weather resistance sections of the accompanyingDetail Sheets.

Standard: G4.1 Interstitial condensationStandard: G4.2 Surface condensation

Comment: Walls incorporating the products can satisfy these Standards.See the Hygrothermal behaviour sections of theaccompanying Detail Sheets.

Regulation: 22 Conservation of fuel and powerStandard: J2.1 Standards for buildings in purpose group 1

J2.2 Elemental standards

Comment: Walls incorporating the products can satisfy this Standard. Seethe Hygrothermal behaviour sections of the accompanyingDetail Sheets.

3 The Building Regulations (Northern Ireland) 1994 (as amended 1995and 1997)

In the opinion of BBA, Dacatie Insulated PVC-U Cavity Closers, if used inaccordance with the provisions of the Certificate, will satisfy the variousBuilding Regulations as listed below.

Regulation: B2 Fitness of materials and workmanship

Comment: The products are acceptable. See the Durability sections ofthe accompanying Detail Sheets.

Regulation: C5 Resistance to ground moisture and weather

Comment: Cavity walls incorporating the products can satisfy thisRegulation. See the Weather resistance sections of theaccompanying Detail Sheets.

continued

• Radway Building Products isa subsidiary of QuantumProfiles Systems, a member ofthe Edgbaston Group.• It is essential that the cavityclosers are installed inaccordance with themanufacturer’s instructions andthe conditions set out in theDesign Data and Installationparts of the accompanyingDetail Sheets.

continued

Electronic Copy

Conditions of Certification

5 Conditions5.1 Where reference is made in this Certificate toany Act of Parliament, Regulation made thereunder,Statutory Instrument, Code of Practice, BritishStandard, manufacturer’s instruction or similarpublication, it shall be construed as reference tosuch publication in the form in which it is in force atthe date of this Certificate.

5.2 The quality of materials and the method ofmanufacture have been examined and foundsatisfactory by the BBA and must be maintained tothis standard during the period of validity of thisCertificate. This Certificate will remain valid for anunlimited period provided:(a) the specification of the product is unchanged;and(b) the manufacturer continues to have the productchecked by the BBA.

5.3 This Certificate will apply only to the productthat is installed, used and maintained as set out inthis Certificate.

5.4 In granting this Certificate, the BBA makes norepresentation as to:(a) the presence or absence of patent or similarrights subsisting in the product; and(b) the legal right of the Certificate holder tomarket, install or maintain the product; and(c) the nature of individual installations of theproduct, including methods and workmanship.

5.5 It should be noted that any recommendationsrelating to the safe use of this product which arecontained or referred to in this Certificate are theminimum standards required to be met when theproduct is used. They do not purport in any way torestate the requirements of the Health & Safety atWork etc Act 1974, or of any other statutory orCommon Law duties of care, or of any duty of carewhich exist at the date of this Certificate or in thefuture; nor is conformity with such recommendationsto be taken as satisfying the requirements of the1974 Act or of any present or future statutory orCommon Law duties of care. In granting thisCertificate, the BBA does not accept responsibilityto any person or body for any loss or damage,including personal injury, arising as a direct orindirect result of the use of this product.

Regulation: C7 Condensation

Comment: Walls incorporating the products can satisfy this Regulation.See the Hygrothermal behaviour sections of theaccompanying Detail Sheets.

Regulation: E6 Internal fire spread — structureRegulation: E8 External fire spread

Comment: Walls incorporating the products can satisfy these Regulationswhere the required fire resistance does not exceed half anhour. See the Properties in relation to fire sections of theaccompanying Detail Sheets.

Regulation: F2 Conservation of fuel and power

Comment: Walls incorporating the products can satisfy this Regulation.See the Hygrothermal behaviour sections of theaccompanying Detail Sheets.

4 Construction (Design and Management) Regulations 1994In the opinion of the BBA there is no information in this Certificate which relatesto the obligations of the client, planning supervisor, designer and contractors toaddress their obligations under these Regulations.

continued

In the opinion of the British Board of Agrément, the Dacatie Insulated PVC-U Cavity Closers arefit for their intended use provided they are installed, used and maintained as set out in thisCertificate. Certificate No 98/3474 is accordingly awarded to Radway Building Products.

On behalf of the British Board of Agrément

Date of issue: 20th March 1998 Director

3

Electronic Copy

British Board of AgrémentP O Box No 195, Bucknalls LaneGarston, Watford, Herts WD2 7NGFax: 01923 665301

©1998 For technical or additionalinformation, tel: 01923 665300.For information about AgrémentCertificate validity and scope, tel:Hotline: 01923 665400

e-mail: bba@btinternet.comhttp://www.bbacerts.co.uk

Electronic Copy

Readers are advised to check the validity of this Detail Sheet by either referring to the Index of Current BBA Publications or contactingthe BBA direct (Telephone Hotline 01923 665400).

Technical Specification

1 Description1.1 The Dacatie TF8i*, TF9i* and SF closers areavailable in 2.1 m, 3.0 m and 3.6 m lengths andin widths to suit 50 mm, 65 mm, 75 mm, 90 mmand 100 mm cavity widths (see Figure 1).Intermediate sizes are available on request.*i refers to insulation

1.2 The closers comprise a PVC-U outer profilesurrounding a closed-cell, CFC-free, expandedpolystyrene core conforming to BS 3837 : Part 1 :1986(1996).

1.3 The PVC-U profiles include the followingfeatures:flanges that fit over both leaves of masonry

flanges with nibs to resist water tracking from outerto inner leaf, and to aid plaster adhesion

channels for locating fixing ties (TF8i and TF9i only)

a plaster stop (TF8i only) against which the frameand internal plaster are positioned

flanges with nail fixing holes at 150 mm centres(TF8i and TF9i only).

1.4 The PVC-U profiles are produced byconventional extrusion techniques. Expandedpolystyrene boards are cut to size and fitted intothem manually, where necessary with the aid of anacrylic sealant.

1.5 Visual and dimensional checks are undertakenregularly during the production of the closers andheat reversion and gelation tests are carried out onthe PVC-U extrusions.

1.6 An injection moulded polypropylene tie isavailable for fixing the TF8i and TF9i closers to thesurrounding masonry and stainless steel hooks forthe SF closer (see Figure 2).

2 Delivery to site and storage2.1 Dacatie profiles are delivered in bundles ofone type. Each bundle carries an instruction leafletbearing the marketing company’s name and theBBA identification mark incorporating the numberof this Certificate.

2.2 Ties and hooks required for use with theDacatie profiles are delivered in bags with theprofiles.

2.3 Packs of Dacatie profiles should be stored flat,away from direct sunlight and excessive heat andsupported along their length to prevent distortion.

• THIS DETAIL SHEET RELATES TO THE DACATIE TF8i, TF9i AND SFINSULATED PVC-U CAVITY CLOSERS FOR USE IN MASONRY WALLSWITH CAVITY WIDTHS IN THE RANGE OF 50 mm TO 100 mm.This Detail Sheet must be read in conjunction with the Front Sheets, which givethe products’ position regarding the Building Regulations, and the Conditions ofCertification, respectively.

Certificate No 98/3474

DETAIL SHEET 2Radway Building Products

DACATIE TF8i, TF9i AND SFINSULATED PVC-U CAVITY CLOSERS

Product

CI/SfB

(31.9) Hn6

Electronic Copy

Figure 1 TF8i, TF9i and SF closers

Figure 2 Typical jamb details*

standard window set-forward positionvariable window positionwith plaster stop removedreversed window set-back position

TF 8i (flush jamb)

TF 9i (rebated jamb) SF (flush jamb)

*Although the jamb details showonly timber frames, the products aresuitable for timber, PVC-U and metalwindow and door frames.

SFcavitywidth(mm)

50

65

75

90

100

TF8i TF9i

nail holeposition

nail holeposition

nibs plaster stop

50

65

90

100

75

50

65

90

100

75

50

65

90

100

75

2

Electronic Copy

Design Data

3 General3.1 TF8i is for use in a flush jamb opening with aflange located over both inner and outer leaves.The closer may be used in standard and reversedpositions to suit set-forward and set-back windowpositions (see Figure 2). As an alternative, theplaster stop may be removed at the factory to suitintermediate window positions. For the applicationof TF8i PSR(1) see Figure 2, but note the restrictionsdetailed in sections 6 and 7.3.(1) Plaster stop removed.

3.2 TF9i is for use in a checked reveal detail inwhich the frame is positioned in a jamb rebatebehind the outer leaf (see Figure 2).

3.3 The SF closer is intended for use in a flushjamb construction. With the small flange removedat the factory, the SF closer may also be used in achecked reveal application.

3.4 The products provide a damp-proof barrier atthe jamb and sill/threshold of window and dooropenings in masonry constructions where abrick/block closer and dpc detail would normallybe used. They also act as cavity closers withoutforming a thermal bridge, and avoid the need forcutting bricks and blocks.

3.5 By virtue of the nibs down the length of thePVC-U flange the products can provide anadequate key for traditional plaster finishes.However, in locations where the plaster may besubject to repeated impact (eg at door reveals fromdoor slamming) it is recommended that wet plasterbe reinforced by hessian scrim or, preferably,replaced by dry lining.

3.6 Masonry walls into which the closers areincorporated must be constructed in accordancewith one or more of the following technicalspecifications:(1) BS 5628 : Part 1 : 1992 and BS 5628 :Part 3 : 1985.

(2) The national Building Regulations:England and WalesApproved Document A1/2, Section 1C.

ScotlandTechnical Standards, Part C, Small Buildings Guide.

Northern IrelandTechnical Booklet D.

4 Practicability of installationInstallation is straightforward and can be carriedout by craftsmen using traditional skills. Lengths ofcloser can be cut on site using normal hand tools,eg a fine-toothed saw.

5 Structural stability5.1 The products must not be used tosupport loads from the masonry. Lintels arerequired above window or door openings.

5.2 The products will not have an adverse effecton the structural stability of brickwork or blockworkwalls, constructed in the conventional manner inaccordance with normal good practice as definedin BS 5628 : Part 1 : 1992 and BS 5628 :Part 3 : 1985. Use of the products does notobviate the need for conventional wall ties aroundthe openings.

5.3 TF8i/TF9i closers, pre-fixed to frames (seesections 12.9 to 12.11), will satisfactorily transferback to the structure wind loads incident uponwindows and doors and impact loads imposedupon frames (eg door slamming). For the SF closerand TF8i/TF9i closers built into the wall prior tothe window or door (see sections 12.1 to 12.8),frames must be fixed independently to themasonry. Procedures and fixings for securingframes to the masonry are outside the scope of thisDetail Sheet.

6 Hygrothermal behaviourWith the inner surface of the window/doorframe set back at least 15 mm from the innersurface of the outer leaf or positioned

against the plaster stop of the TF8i profile, thehygrothermal performance of a detail containingthe products will be as follows:(1) According to the methods given in Appendix Dof Approved Document L of the BuildingRegulations 1991 (as amended) (England andWales), the risk of surface condensation on thereveal will be acceptable and the additional heatflow due to thermal bridging is small enough to beignored when determining the U value of the wallin the manner described in BRE InformationPaper 12/94.

(2) The U value of the wall in the region of theproduct will be less than the maximum stipulatedrequirement of 1.2 Wm–2K–1.

(3) Under normal domestic conditions the level ofinterstitial condensation within the detail will be lowand the risk of any resultant damage minimal.

7 Weather resistance7.1 The products will be effective as avertical damp-proof barrier at jambs ofwindow and door openings in masonry

constructions, where a brick/block closer and dpcdetail would normally be used.

7.2 The closers will also be effective as ahorizontal damp-proof barrier at the sill/threshold.

7.3 In standard usage, in a flush jamb detail, theTF8i PSR and SF closers are suitable for use inexposure categories up to and including

3

Electronic Copy

sheltered/moderate, as defined in Table 10 ofBS 5628 : Part 3 : 1985 and depicted asexposure zones 1 and 2 in the map contained insection 3.1 of BRE Report BR 262 Thermalinsulation: avoiding risks 1994. These closers mayalso be considered suitable for use in other areaswhere hitherto a conventional return brick/blockcloser detail with dpc has been found to provideadequate resistance to the penetration of winddriven rain. The standard TF8i closer, with plasterstop, is suitable for use in exposure categories up toand including `severe’, and in exposure zones 1, 2and 3 of the documents referred to above.

7.4 In a checked reveal construction (seeFigure 2), the TF9i and modified SF (seesection 3.3) closers are suitable for use in exposurecategories up to, and including, very severe asdefined in Table 10 of BS 5628 : Part 3 : 1985,which covers all exposure zones in the UnitedKingdom. In this application the rebated frameshould be protected from the outer leaf by a dpc(see Figure 2).

7.5 The SF closer is not recommended for use incavities fully filled with insulation, as the flange nibscannot be guaranteed to prevent moisture trackingfrom outer to inner leaf in such applications.

8 Properties in relation to fire8.1 The installed products will not contributesignificantly to the growth of a fire.

8.2 The products have been assessed as suitablefor use in walls required to provide a half-hour fireresistance. For use in walls required to provide alonger period of fire resistance, an appropriate testor assessment must be carried out by a UnitedKingdom Accreditation Service (UKAS) testlaboratory accredited for the test concerned.

8.3 The products do not constitute a cavity barrieragainst the penetration of smoke and flame in thecontext of the building regulations. Suitable firestops must be provided, as necessary, in the cavitybehind the closer.

8.4 The use of the products does not preclude theneed to provide suitable fire protection to steellintels where this is necessary to satisfy the nationalBuilding Regulations.

9 MaintenanceChecks should be carried out periodically to ensurethat a satisfactory weatherproof seal is maintainedbetween frame and masonry.

10 DurabilityThe products are durable and, protectedwithin the cavity, will not suffer significantdegradation. The products will last the

normal expected life of a building.

Installation

11 General11.1 The products must be installed inaccordance with the manufacturer’s instructions.

11.2 The appropriate closer is selected for the job(see sections 3.1, 3.2, 3.3, 7.3 and 7.5).

11.3 Typical installation drawings are shown inFigure 2.

11.4 When installing the SF closer the exposedinsulation should always be positioned against theinner leaf (see Figure 2).

11.5 In cutting the products to length, care shouldbe taken to achieve clean, flat, square ends.

12 ProcedureCloser built in during construction of wall andprior to installation of window or door.12.1 The wall is built to one course abovesill/threshold level.

12.2 A section of closer is cut to length andpushed into the sill cavity.

12.3 The jamb closers are cut to length, tooversail the sill closer by 50 mm. The PVC-Uflanges are cut away at the base of the closer,which is subsequently pushed into the cavity,propped in a vertical position and butted againstthe sill closer with the cut flanges seated on themasonry at sill level.

12.4 As the wall is built up around the jambclosers, ties are located in the TF8i/TF9i channelsand hooks pushed into the SF insulation, and oneof these fixings embedded in every third mortarcourse of brickwork and every course of blockwork(see Figure 2).

12.5 The procedures for flush and rebated jambsare essentially the same, as described insections 12.1 to 12.4. However, for the rebatedjambs application the following should be noted:(1) There is no flange at the base of the outerPVC-U jamb section to be removed.

(2) The sill section should be cut to sill length plustwice the rebated length.

12.6 Appropriate insulated lintels and ancillarydamp-proof protection are butted onto (but notsupported by) the jamb closers at the head, andwindow/door frames are fixed to the outer leafwith proprietary fixings.

12.7 A durable weatherproof sealant, forexample, a low modulus silicone sealant, isapplied over a back-up strip between the frameand outer leaf.

12.8 Either wet plaster or a dry lining on plasterdabs is applied to the internal reveal.

4

Electronic Copy

Closer built in with window or door12.9 The closers may be incorporated into thewall after pre-fixing to the window or door frame.

12.10 The closer lengths are cut as described insections 12.2, 12.3 and 12.5 and the closersecured to the frame through the PVC-U flange (orbody of the closer), using galvanized or non-ferrousclout nails (timber frame), or self-tapping screws(PVC-U or metal frame).

12.11 The frame with closers attached is sat on thesill with the sill closer in the cavity. The masonry isbuilt up around the frame/jamb closer assembly andthe installation completed as described insections 12.4, 12.6, 12.7 and 12.8. Framesinstalled pre-fixed to TF8i/TF9i closers do not requireadditional fixing to the masonry (see section 5.3).

Refurbishment12.12 The closers are suitable for use inrefurbishment work. For this application theopening must first be `cleaned’ ready to take thenew closer.

12.13 The closer lengths are cut as described insections 12.2, 12.3 and 12.5, inserted into thecavity (jamb sections before sill) and secured (jambsection only) to the masonry through the flangeusing galvanized or non-ferrous clout nails.

12.14 The frame is then fixed to masonry andthe installation completed as described insections 12.4, 12.6, 12.7 and 12.8.

Technical Investigations

The following is a summary of the technicalinvestigations carried out on the products.

13 Tests13.1 Tests were carried out on PVC-U extrudedprofiles to determine:shrinkage on heatinggelation by immersion in acetone.

13.2 As part of the assessment leading to theThird issue of Certificate No 89/2132, tests werecarried out to determine the effects of slamming adoor in a built-in frame using the 100 mm TF8icavity closer.

14 Investigations14.1 Installations in progress were inspected toassess the practicability of installation procedures.

14.2 Factory visits were made to assessmanufacture and quality control.

14.3 An assessment was made of:durability of the product and the materials used in

its constructionthe weathertightness of installation constructed in

accordance with the manufacturer’s instructionsand the requirements of this Certificate

the fire resistance and structural stability of wallsincorporating the products.

14.4 Calculations were carried out and anassessment made of hygrothermal performance.

Bibliography

BS 3837 Expanded polystyrene boardsPart 1 : 1986(1996) Specification for boardsmanufactured from expandable beads

BS 5628 Code of practice for use of masonryPart 1 : 1992 Structural use of unreinforcedmasonryPart 3 : 1985 Materials and components, designand workmanship

5

On behalf of the British Board of Agrément

Date of issue: 20th March 1998 Director

Electronic Copy

British Board of AgrémentP O Box No 195, Bucknalls LaneGarston, Watford, Herts WD2 7NGFax: 01923 665301

©1998 For technical or additionalinformation, tel: 01923 665300.For information about AgrémentCertificate validity and scope, tel:Hotline: 01923 665400

e-mail: bba@btinternet.comhttp://www.bbacerts.co.uk

Electronic Copy

Readers are advised to check the validity of this Detail Sheet by either referring to the BBA’s website (www.bbacerts.co.uk) or contactingthe BBA direct (Telephone Hotline 01923 665400).

Technical Specification

1 Description1.1 The Dacatie 2000 Insulated PVC-U CavityClosers are available in 2.1 m, 3.0 m and 3.6 mlengths and in widths to suit 50 mm, 65 mm,75 mm and 100 mm cavity widths (see Figures 1and 2). Intermediate sizes are available onrequest.

1.2 The closers comprise a PVC-U box profileinsulated with a closed-cell, CFC-free, expandedpolystyrene conforming to BS 3837 : Part 1 :1986(1996).

1.3 The PVC-U profiles include the followingfeatures:flanges that fit over both leaves of masonryflanges with nibs to resist water tracking from outerto inner leaf, and to aid plaster adhesionchannels for locating fixing ties

a plaster stop (D2000 only) against which theframe and internal plaster are positionedflanges with nail fixing holes at 150 mm centresnibs on the back, cavity facing, side, to resist watertracking from outer to inner leaf.

1.4 The PVC-U profiles are produced byconventional extrusion techniques(1). Expandedpolystyrene boards are cut to size and fitted intothem manually, where necessary with the aid of anacrylic sealant or staples.

(1) There is one master extrusion from which all profiles arederived by appropriate cutting of flanges.

1.5 Visual and dimensional checks are undertakenregularly during the production of the closers andheat reversion and gelation tests are carried out onthe PVC-U extrusions.

1.6 An injection moulded polypropylene tie isavailable for fixing the closers to the surroundingmasonry (see Figure 3).

• THIS DETAIL SHEET RELATES TO THE DACATIE 2000 INSULATEDPVC-U CAVITY CLOSERS FOR USE IN MASONRY WALLS WITH CAVITYWIDTHS IN THE RANGE OF 50 mm TO 100 mm.

This Detail Sheet must be read in conjunction with the Front Sheets, which givethe products’ position regarding the Building Regulations, and the Conditions ofCertification, respectively.

Certificate No 98/3474

DETAIL SHEET 3

Quantum Profile Systems(formerly Radway Building Products)

DACATIE 2000 INSULATEDPVC-U CAVITY CLOSERS

Product

CI/SfB

(31.9) Hn6

Electronic Copy

Figure 1 Dacatie D2000 closers for flush jamb

Figure 2 Dacatie CD2000 closers for check reveal

Figure 3 Typical jamb details

2

Electronic Copy

2 Delivery to site and storage2.1 Dacatie profiles are delivered in bundles ofone type. Each bundle carries an instruction leafletbearing the marketing company’s name and theBBA identification mark incorporating the numberof this Certificate.

2.2 Ties required for use with the profiles aredelivered in bags with the profiles.

2.3 Packs of profiles should be stored flat, awayfrom direct sunlight and excessive heat andsupported along their length to prevent distortion.

Design Data

3 General3.1 D2000 closers are for use in a flush jambopening with a flange located over both inner andouter leaves. The closer may be used in standardand reversed positions to suit set-forward and set-back window positions (see Figure 2). As analternative, the plaster stop may be removed at thefactory to suit intermediate window positions. Forthis application, however, note the restrictionsdetailed in sections 6 and 7.3. For the 65 mm,75 mm and 100 mm D2000 closers the insulationoutside the box may be positioned in two parts,either side of the box, to suit different windowpositions (see Figure 2). To support the insulation inthis alternative position, the flanges of the masterextrusion are cut accordingly (see section 1.4).

3.2 CD2000 closers are for use in a check revealdetail in which the frame is positioned in a jambrebate behind the outer leaf (see Figure 2).

3.3 The products provide a damp-proof barrier atthe jamb and sill/threshold of window and dooropenings in masonry constructions where abrick/block closer and dpc detail would normallybe used. They also act as cavity closers withoutforming a thermal bridge, and avoid the need forcutting bricks and blocks.

3.4 By virtue of the nibs down the length of thePVC-U flange the products can provide anadequate key for traditional plaster finishes.However, in locations where the plaster may besubject to repeated impact (eg at door reveals fromdoor slamming) it is recommended that wet plasterbe reinforced by hessian scrim or, preferably,replaced by dry lining.

3.5 Masonry walls into which the closers areincorporated must be constructed in accordancewith one or more of the following technicalspecifications:(1) BS 5628 : Part 1 : 1992 and BS 5628 :Part 3 : 1985(2) The national Building Regulations:

England and WalesApproved Document A1/2, Section 1C

ScotlandTechnical Standards, Part C, Small Buildings Guide

Northern IrelandTechnical Booklet D.

4 Practicability of installationInstallation is straightforward and can be carriedout by craftsmen using traditional skills. Lengths ofcloser can be cut on site using normal hand tools,eg a fine-toothed saw.

5 Structural stability5.1 The products must not be used tosupport loads from the masonry. Lintels arerequired above window or door openings.

5.2 The products will not have an adverse effecton the structural stability of brickwork or blockworkwalls, constructed in the conventional manner inaccordance with normal good practice as definedin BS 5628 : Part 1 : 1992 and BS 5628 :Part 3 : 1985. Use of the products does notobviate the need for conventional wall ties aroundthe openings.

5.3 D2000 closers, pre-fixed to frames (seesections 12.9 to 12.11), will satisfactorily transferback to the structure wind loads incident uponwindows and doors and impact loads imposedupon frames (eg door slamming).

6 Hygrothermal behaviour6.1 Providing the closer and window ordoor frame are installed in accordance withsection 17, with the window or door frame

set back at least 14 mm from the inner surface ofthe outer leaf or positioned against the plaster stopof the profile, the thermal bridging, which occurs atreveal details containing the product, and theassociated risk of local surface condensation willbe acceptable, according to the methods given inthe national Building Regulations:England and WalesAppendix D of Approved Document L,Conservation of fuel and power, 1995

ScotlandAppendix B of Part J of the Technical Standards forcompliance with the Building Standards, 1999

Northern IrelandAppendix D of Technical Booklet F, Conservationof fuel and power, 1998.

6.2 Under normal domestic conditions the level ofinterstitial condensation associated with the productwill be low and the risk of any resultant damageminimal.

3

Electronic Copy

7 Weather resistance7.1 The products will be effective as avertical damp-proof barrier at jambs ofwindow and door openings in masonry

constructions, where a brick/block closer and dpcdetail would normally be used.

7.2 The closers will also be effective as ahorizontal damp-proof barrier at the sill/threshold.

7.3 In standard usage, in a flush jamb detail withthe window positioned against the closer stop, theD2000 closers are suitable for use in exposurecategories up to and including ‘severe’, as definedin Table 10 of BS 5628 : Part 3 : 1985 anddepicted as exposure zones 1, 2 and 3 in the mapcontained in section 3.1 of BRE Report BR 262Thermal insulation: avoiding risks 1994. With theplaster stop removed, the D2000 closers aresuitable for use in exposure categories up to andincluding ‘sheltered/moderate’, and in exposurezones 1 and 2 of the documents referred to above. Inthis modified form, closers may also be consideredsuitable for use in other areas where hitherto aconventional return brick/block closer detail withdpc has been found to provide adequateresistance to the penetration of wind driven rain.

7.4 In a check reveal construction (see Figure 2),the CD2000 closers are suitable for use inexposure categories up to and including ‘verysevere’ as defined in Table 10 of BS 5628 :Part 3 : 1985, which covers all exposure zones inthe United Kingdom. In this application the rebatedframe should be protected from the outer leaf by adpc (see Figure 2).

8 Properties in relation to fire8.1 The installed products will not contributesignificantly to the growth of a fire.

8.2 The products have been assessed as suitablefor use in walls required to provide a half-hour fireresistance. For use in walls required to provide alonger period of fire resistance, an appropriate testor assessment must be carried out by a UnitedKingdom Accreditation Service (UKAS) testlaboratory accredited for the test concerned.

8.3 The products do not constitute a cavity barrieragainst the penetration of smoke and flame in thecontext of the building regulations. Suitable firestops must be provided, as necessary, in the cavitybehind the closer.

8.4 The use of the products does not preclude theneed to provide suitable fire protection to steellintels where this is necessary to satisfy the nationalBuilding Regulations.

9 MaintenanceChecks should be carried out periodically to ensurethat a satisfactory weatherproof seal is maintainedbetween frame and masonry.

10 DurabilityThe products are durable and, protectedwithin the cavity, will not suffer significantdegradation. The products will last the

normal expected life of a building.

4

Electronic Copy

Installation

11 General11.1 The products must be installed inaccordance with the manufacturer’s instructions.

11.2 The appropriate closer is selected for the job(see sections 3.1, 3.2 and 7.3).

11.3 Typical installation drawings are shown inFigure 2.

11.4 In cutting the products to length, care shouldbe taken to achieve clean, flat, square ends.

12 ProcedureCloser built in during construction of wall andprior to installation of window or door.12.1 The wall is built to one course above sill/threshold level.

12.2 A section of closer is cut to length andpushed into the sill cavity.

12.3 The jamb closers are cut to length, to oversailthe sill closer by 50 mm. The PVC-U flanges are cutaway at the base of the closer, which is subsequentlypushed into the cavity, propped in a verticalposition and butted against the sill closer with thecut flanges seated on the masonry at sill level.

12.4 As the wall is built up around the jambclosers, ties are located in the profile channels, andone of these fixings embedded in every third mortarcourse of brickwork and every course of blockwork(see Figure 2).

12.5 The procedures for flush and rebated jambsare essentially the same, as described insections 12.1 to 12.4. However, for the rebatedjambs application the following should be noted:(1) There is no flange at the base of the outerPVC-U jamb section to be removed.(2) The sill section should be cut to sill length plustwice the rebated length and the outer flangeremoved at each rebate.

12.6 Appropriate insulated lintels and ancillarydamp-proof protection are butted onto, but notsupported by, the jamb closers at the head, andwindow/door frames are fixed to the outer leafwith proprietary fixings, which are outside thescope of this Certificate.

12.7 A durable weatherproof sealant, for example,a low modulus silicone sealant, is applied over aback-up strip between the frame and outer leaf.

12.8 Either wet plaster or a dry lining on plasterdabs is applied to the internal reveal.

Closer built in with window or door12.9 The closers may be incorporated into thewall after pre-fixing to timber window or doorframes.

12.10 The closer lengths are cut as described insections 12.2, 12.3 and 12.5 and the closersecured to the frame through the PVC-U flange (orbody of the closer), using galvanized or non-ferrousclout nails.

12.11 The frame with closers attached is sat onthe sill with the sill closer in the cavity. The masonryis built up around the frame/jamb closer assemblyand the installation completed as described insections 12.4, 12.6, 12.7 and 12.8. Framesinstalled pre-fixed to closers do not requireadditional fixing to the masonry (see section 5.3).

Refurbishment12.12 The closers are suitable for use inrefurbishment work. For this application theopening must first be `cleaned’ ready to take thenew closer.

12.13 The closer lengths are cut as described insections 12.2, 12.3 and 12.5, inserted into thecavity (jamb sections before sill) and secured (jambsection only) to the masonry through the flangeusing galvanized or non-ferrous clout nails.

12.14 The frame is then fixed to masonry andthe installation completed as described insections 12.7 and 12.8.

5

Electronic Copy

Technical Investigations

The following is a summary of the technicalinvestigations carried out on the products.

13 TestsTests were carried out on PVC-U extruded profilesto determine:shrinkage on heatinggelation by heat ageing.

14 Investigations14.1 An assessment was made of:durability of the product and the materials used in

its constructionmanufacture and quality controlpracticability of installationthe weathertightness of installation constructed in

accordance with the manufacturer’s instructionsand the requirements of this Certificate

the fire resistance and structural stability of wallsincorporating the products.

14.2 Calculations were carried out and anassessment made of hygrothermal performance.

Bibliography

BS 3837 Expanded polystyrene boardsPart 1 : 1986(1996) Specification for boardsmanufactured from expandable beads

BS 5628 Code of practice for use of masonryPart 1 : 1992 Structural use of unreinforcedmasonryPart 3 : 1985 Materials and components, designand workmanship

On behalf of the British Board of Agrément

Date of issue: 15 February 2000 Chief Executive

British Board of AgrémentP O Box No 195, Bucknalls LaneGarston, Watford, Herts WD25 9BAFax: 01923 665301

©2000 For technical or additionalinformation, tel: 01923 665300.For information about AgrémentCertificate validity and scope, tel:Hotline: 01923 665400

e-mail: mail@bba.star.co.ukwebsite: www.bbacerts.co.uk

Electronic Copy