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General Information & Applications
Wood Fibreboard Insulation Products
NATURALLY MADE OF WOOD
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GUTEX insulating wood fibreboards
are the ideal choice for both already
existing buildings and new buildings,
fulfilling and even surpassing all
structural and environmental consi-
derations. Some of their key features
are:
Superbwatervapourpermeable
design,whichensureseffectivediffu-
sioninanyconstructionalapplication.
Exceptionalthermalstoragecapacity,
whichguaranteessuperiorinsulation
whenitsmostneededintheheatof
summerandthecoldofwinter.
Unsurpassedabsorptionofimpactand
structuralnoise.
Easyanduncomplicatedcode-compli-
antdisposalandrecycling.
Besidesprovidingprotectionagainstthe
coldinwinter,GUTEXwoodfibreboards
offeroptimuminsulationinsummer.
Toprotectlivingspaces,especiallythose
directlyunderroofsagainstheat,the
insulationmaterialusedmusthave
enoughthermalstoragecapacityto
ensurethattheflowofwarmthfromthe
exteriortotheinteriorareaisadequa -
telydampened.Sincewoodisnaturally
endowedwiththisfaculty,GUTEXwoodfibreboardsareideallysuitedfor
protectionagainsttheheatinsummer.
Theopen-porefibrestructureofGUTEX
woodfibreboardsalsofurnishesthem
withanuncannyabilitytoabsorbsound
wavesofvariousfrequencies.
InadditiontoGUTEXsqualitycontrol
system,allGUTEXproductsareapproved
byanindependent,authorisedtestand
certificationagency(FMPAStuttgart).
GUTEXsqualityandenvironmental
protectionmanagementsystem,certified
accordingtoDINENISO9001,ISO14001
andEMASII(EUEcoAuditOrdinance)
guaranteesGUTEXcustomersthatthe
productsareenvironmentallycompatible
withconsistent,highquality.
All GUTEX products are manufactured
from spruce and fir obtained through
sustained yield forestry practices.
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NATURALLY MADE OF WOOD
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Properly applied
GUTEX productsyour expectation
A full range of naturalinsulating products
1. GUTEX Multiplex-top
Arain-tightsubplatewithahomogeneous
single-layerrawdensityprofile.
Alsosuitableforinteriorapplications.
Availablethicknesses:18,22,28and35mm
WidthxLength: 75x250cm
2. GUTEX Ultratherm
Arain-tight,durable,insulatingsubplate
board,withahomogeneoussingle-layer
rawdensityprofile.
Availablethicknesses:50,60,80,100and
120mm
WidthxLength:60x178cm
3. GUTEX Thermosafe-homogen
Auniversalinsulatingboardwithhomo-
geneousrawdensityprofileandexcellent
propertiesforprotectionagainstsummer
heatandcoldinwinter.
Availablethicknesses:40-200mm
WidthxLength: 62.5x120cm
GUTEX Thermosafe
TheoriginalThermosafeboard.Auniver-
salinsulatingboardwithamulti-plyraw
densityprofileandexcellentpropertiesfor
protectionagainstsummerheatandthe
coldinwinter.
Availablethicknesses:20-100mm
WidthxLength: 62.5x120cm
4. GUTEX Thermoflex
Aflexiblewoodfibreboardforinsulation
betweenraftersandframework.Availablethicknesses:40-200mm
WidthxLength: 57x122cm
5. GUTEX Thermoflat
Acompressionproofinsulatingboardfor
flatroofs.
Availablethicknesses:100-160mm
WidthxLength: 60x123cm
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and installed,
perform beyond
6. GUTEX Thermosafe-wd
Highlyresistanttocompressiveforces
withasingle-layerrawdensityprofile.
Designedtoprovidethermalinsulation
forallwallsandfloors.
Availablethicknesses:20-160mm
WidthxLength: 60x125cm
7. GUTEX Thermosafe-nf
Comeswithinstallationstripping.
Especiallysuitableforplankflooringor
parquetflooringandprovidesanideal
substructureandanchorageforscrew-
fastenedflooring.
Availablethicknesses:41/40mmWidthxLength: 38x119cm
8. GUTEX Thermofloor
Averyversatileimpactinsulation
boardforallfloorapplications,inclu-
dingwetanddryscreed.
Availablethicknesses:21/20,31/30mm
WidthxLength: 60x120cm
9. GUTEX Happy Step
Anexcellentuniversalsubfloorfor
high-qualityinteriorfloorcoverings.
Availablethicknesses:4+6mm
WidthxLength: 59x86cm
10. GUTEX Thermowall/-gf
TheidealplasterbaseboardforGUTEXs
environmentallyfriendlythermalinsu-lationcompositesystems.
Availablethicknesses:20-160mm
WidthxLength: 59x125cm,
60x130cm+
125x260/280cm
11. GUTEX Standard-n
Designedtoaccommodatediverse
interiorapplications.
Availablethicknesses:6-18mm
WidthxLength: 100x250cm,
150x250cm
NATURALLY MADE OF WOOD
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Between Rafter In
1 3
Usually,theprincipalfunctionof
insulationistoprovideprotectionagainstthecold.However,ifthe
insulationistoprovideprotection
forlivingspacelocateddirectly
underaroof,thenitsabilitytolimit
thetransmissionofheatbecomesa
priority.
Topreventthefinishedlivingspace
frombecominguncomfortably
warm,theinsulationmusthavethe
necessarythermalstoragecapacitytodampenanddelaytheflowof
heatfromtheexteriortotheinterior.
Sincewoodisnaturallyendowed
withthisfaculty,GUTEXwood
fibreboardsareideallysuitedfor
protectionagainsttheheatof
summer.
4. Complete roof
assembly
5. Fastening with
special screws
2
RoRo
4
5
Above Rafter InsulationGUTEX Multiplex-top, GUTEX Ultratherm,
GUTEX Thermosafe-homogen, GUTEX Thermosafe,
GUTEX Thermoflat (flat roof insulation)
GUTEX Multiplex-top, GUTEX Thermosafe-ho
1-3 A vapour retarding
membrane is laid over the
exposed sheathing. The
membrane is then covered
with GUTEX Thermosafe-
homogen, which is sub-
sequently covered with
GUTEX Multiplex-top, a
rain tight deck board.
Concrete or clayroof tiles
Lathing/battens
GUTEX Multiplex-topbetween the rafters
GUTEX Thermoflex/GUTEX Thermosafe-homogen
GUTEX Thermosafe-wd
with tongue and
groove
Vapour retarder/Airbarrier
Battens and interiorwall substrate (wall-board, etc.) Old buildings
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ulation
fsofs
GUTEXroofboardsarea
deckingalternativewiththe
addedadvantageofinsulati-
on.Ideallyequippedfortheupgradingofexistingbuildings,
theyareeasytoinstalland
providereliableinsulationand
resistanceagainsttheelements
withunbeatablelongevity.
GUTEXs prime
strength is the
broad range of
available sizes and
thicknesses.
Rain TightDecking
en, GUTEX Ultratherm, GUTEX Thermoflex
GUTEX Multiplex-top,
GUTEX Ultratherm
GUTEX Ultratherm
GUTEX Multiplex top
Tongue and groove
joint along the length
GUTEX Thermosafe-homogen / GUTEXThermoflex
Vapour retarder/Airbarrier
GUTEX Multiplex-topinstalled over therafters
New buildings
Detailed figure:
Butting to the eaves
Tongue and groove
joint along the width
Interior wall sub-strate (wallboard,etc.)
NATURALLY MADE OF WOOD
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GUTEXThermowall/-plusboards
arecarefullythought-out
thermalinsulationcomposite
systemsforunventedwoodandmasonryapplications.
Thewoodenplasterbaseboard
distinctlyimprovestheindoor
environment.
GUTEXstuccoprovidesoptimum
protectionagainsttheweather
andaperfectfinish.GUTEX
Thermowall/-plusWDVSiscom-pressionresistantboardthat
meetsthedemandingrequire-
mentsforeffectivesoundand
thermalinsulation.
Window joint Installation on wood studs/posts
GUTEX Thermowall, GUTEX Thermowall-gf,
GUTEX Thermosafe-homogen
ExteriorExterior
GUTEX Thermowall WDVSWDVS GUTEX Thermowall/-plus
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Vented Facades
Stillanothervariationofexterior
wallistheventedfaade.Here
aswell,GUTEXwoodfibreboards
offermanysignificantadvantages,
whethersolidmasonryandwood
substrateorwoodframeconstruc-
tion.
Solid wood wall Wood frame construction
OSB board
GUTEX Thermosafe/
-homogenGUTEX Thermoflex
GUTEX Ultratherm/
GUTEX Multiplex-top
Venting battens
Weather boarding
Power staple fastening
Insulation fasteners
GUTEX Thermosafe-homogen, GUTEX Thermosafe-wd
GUTEX Multiplex-top, GUTEX Thermoflex
WallsWallsInnenbeplankung
Installationsebene
Interior boarding
Wall cavity
Solid wooden wall
element
Wind/Air barrier
GUTEX Thermosafe-homogen
GUTEX Ultratherm/
GUTEX Multiplex-top
Venting battens
Weather boarding
NATURALLY MADE OF WOOD
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1
3
2
4
1. GUTEX Multiplex-top 18/22 mm
bonded to an existing wall and covered
with plaster or wallpaper.
2. GUTEX Multiplex-top 18/22 mm
screwed to an existing wood wall andcovered with plaster or wallpaper.
3. GUTEX Multiplex-top 18/22 mm
screwed to wooden posts/studs and
clad with wood boarding.
4. GUTEX Multiplex-top 18/22 installed
on an existing wall with a coat of clayplaster.
Upgrading the interior sides of exterior walls with GUTEX
Multiplex-top, GUTEX Thermosafe-homogen,GUTEX Thermoflex, GUTEX Thermowall
WaWa
Often,itisnecessarytoinsulatethe
interiorsidesofouterwalls
(forexample,ifprotectedhistoric
buildingsareinvolved).GUTEX
woodfibreboardsqualitiesmake
themidealforsuchapplications.
Withoutsufferingalossintheirinsulationcapacity,GUTEXfibre-
boardsarecapableofabsorbing
andreleasingupto20%of
theirweightinmoisture.GUTEX
Multiplex-topissuitableasa
substrateforplasterorwallpaper.
WerecommendtheuseofGUTEX
ThermosafewithGUTEXMultiplex-
topifathickerinsulationlayerisrequired.
A
B C
A Press the GUTEX Thermowall/-gf boards into the clay mortar so that the entire back surface
bonds securely.
B Apply a coat of clay plaster to the surface of the GUTEX Thermowall/-gf boards.
C Used with clay plaster, GUTEX Thermowall/-gf offers virtually unlimited decorative potential.
Upgrading Walls
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1. Good soundproofing and fire protection:
Metal frame wall construction with GUTEX Thermosafe.
2. Bearing and non-bearing wood frame wall construction with
GUTEX Thermosafe / GUTEX Thermoflex.
Lightweight Partition Walls
1 2
Besidesdividingopenareasinto
rooms,lightweightwallsmustalso
meetsoundandfireprotection
requirements.
Thankstotheiropen-porestruc-
ture,woodfibreboardsabsorbboth
structurebornnoiseandindirect
reflectedsound.GUTEXfibreboards
areclassifiedwithfireratingsof
F30toF90.
Testsandexpertcertificationsare
availableonrequest.
Commonlyavailablemetalstudsor
timberstudsaresuitableforuse.
Fibrous gypsum board
GUTEX Thermosafe-homogen / GUTEX Thermoflex
Wood frame
Fibrous gypsum board
Standard gypsum board
GUTEX Thermosafe-homogen / GUTEX Thermoflex
Metal studs
Standard gypsum board
GUTEX Thermosafe-homogen, GUTEX Thermoflex
lsls
NATURALLY MADE OF WOOD
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FloFlo
Concrete Ceilings
GUTEXfloorboardsaresuitable
forbothconcreteandwood
beamceilings.Justwhichboardisthemostsuitabledependson
thenatureofthespecificappli-
cation.Determiningcriteriamay
includetechnicalrequirements,
surfacecovering,built-upheight
andsubstructure.
Installedunderwood,laminate
andparquetflooringorcar-
peting,GUTEXinsulatingboardssignificantlyimprovethe
qualityofliving,providingsupe-
riorprotectionagainstairborne
andimpactnoiseaswellasvery
effectivethermalinsulation
underanyscreedapplication.
Superb thermal insulation combined with
impact noise reduction. GUTEX Thermosafe-wd
under mastic asphalt.
Increased soundproofing with GUTEX
Thermofloor and concrete tiles.
1
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4
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7
1
2
3
4
5
A. B.
GUTEX Thermofloor, GUTEX Thermosafe-wd,GUTEX Thermosafe-nf, GUTEX Happy Step,GUTEX Standard-n
Easy to install:First clean the sub-
strate (concrete or
wood)1 2
A. B.1. Carpeting2. GUTEXHappyStep3. Wetscreed4. Moisturebarrier(requiredto
protectthesubstructure whenthescreedisapplied)5. GUTEXThermofloorand/or GUTEXThermosafe-wd6. Moisturebarrier7. Concreteceiling
1. Woodplankflooring2. GUTEXThermosafe-nf3. GUTEXThermosafe-wd orGUTEXThermofloor4. Moisturebarrier5. Concreteceiling
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rsors
3 4
1
3
2
4
Once the surface is dust-free and clean,
lay the trickle protection paper/moisture
barrier. Install an insulating strip around the
perimeter of the floor. Then install GUTEX
Thermofloor/ Thermosafe-wd as impact
soundproofing and cover it with the GUTEX
Thermosafe-nf system.
1. Floatingfinishedparquet/ laminateflooring2. GUTEXHappyStep3. Wetscreed4. Moisturebarrier(requiredto
protectthesubstructurewhen thescreedisapplied)5. GUTEXThermosafe-wd and/orGUTEXThermofloor6. Trickleprotection7. Exposedboardingonwood beamceiling
GUTEX floor assemblies for concrete and wood beam ceilings
1
2
3
4
5
6
7
1
2
3
4
5
6
7
C. D.
C.
D. 1. OSB/subfloorboard2. Thermosafe-wd3. Thermofloor4. Concreteslabs5. Thermosafe-wd
6. Trickleprotection7. Exposedboardingonwood beamceiling
GUTEX Thermofloor, GUTEX Thermosafe-wd,GUTEX Thermosafe-nf, GUTEX Happy Step,GUTEX Standard-n
GUTEX Happy Stepinstalls in a floating,
staggered joint
arrangement. Suitable
floor coverings include
laminates, finishedparquet or carpet.
Wood Beam Ceilings
NATURALLY MADE OF WOOD
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Facts & Figures
4102:B2constructionmaterialscode
Thermalresistanceisderivedfrom90/90andtheboardthickness.GUTEXMultiplex-toporGUTEXUltratherm:GuaranteedbytheCentralAssociationofGermanRoofersTestreportsandtestcertificatesprovideduponrequest.
Th
ermof
at
DIN
EN
13
17
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Th
ermof
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11
)
Th
ermosae
DIN
EN
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Th
ermosae
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DIN
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Ult
rath
erm
DIN
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Multiple
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NATURALLY MADE OF WOOD
Joints Tongue+groove Tongue+groove Butted Rebate Butted Butted Rebate
Totallength(mm) 2500 1780 1200 1200 1220 1230
Totalwidth(mm) 750 600 625 625 570 600
Nominalthickness(mm) 18 22 28 35 50 60 80 100 120 20 40 60 80 100 120 140 160 180 200 20 40 60 80 100 40-200 100 120 1
Actualcoverage,lengthandwidth(mm)2476/7262480/730 2480/722 1760/572 1185/610 1220/
Areaperboard(m) 1.87 1.07 0.75 0.75 0.695 0.73
Weightperboard(kg) 8.7510.6910.513.1 10.212.216.220.324.4 1.7 3.3 5.0 6.6 8.3 9. 9 11.6 13.2 14.9 16.5 2.4 4.8 7.2 9.6 12 1.25-8.34 10.3 12.4 1
Weightperm(kg) 4.68 5 .72 5.6 7.0 9.5 11.415.219.0 22.8 2.2 4 .4 6 .6 8 .8 11 13.2 15.4 17.6 19.8 22 3.2 6.4 9.6 12.8 16 1.8-12 14 16.8 1Boardsperpallet 55 45 35 28 40 34 26 20 18 220 108 72 54 44 36 32 28 24 22 220 110 76 56 44 112-10 44 36
Squaremetresperpallet 103.12 84.37 65.62 52.5 42.7236.31 27.77 21.36 19.22 165 81 54 40.5 33 27 24 21 18 16.5 165 85.5 57.0 42.0 33.0 77.88-13.9132.4726.5723
Weightperpallet(kg) 500 500400 440 390 490 150 49
Bulkdensity(kg/m) 260 200 190
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Sta
nd
ard
-nD
INE
N1
3171
Th
ermowall-
g
DIN
EN
13
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12)
Th
ermowall
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ermosae
-n
DIN
EN
13
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Th
ermof
oor
DIN
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HappySte
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INE
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3171
Th
ermosae
-wd
DIN
EN
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1) 0104-0307-012-1
2) 0104-0604-012-23) 0104-0604-012-3
*Furtherdimensionalinformationavailableonrequest.**ApprovalNo.Z-23.15-1404
Butted RebateT+GT+GButted Butted Butted T+G T+G Butted Butted
1250 1190 1200 8601250 830 2600/2800130013002600/2800 2500*
600 380 600 590 590 6001250 600600 1250 1000/1500
60 20 30 40 60 80 100 120 140 160 40 60 41/40 21/20 31/30 4 6 20 40 60 80 100 120 140 160 80 100 80 100 40 60 40 60 6-18 1235/5851226/576 1170/360 1276/5761276/576
0.75 0.45 0.72 0.510.738 0.498 3.25/3.5 0.780.783.25/3.5 2.5-3.75
6 .5 2.1 3. 2 4.2 6 .3 8.4 10. 2 12.6 14.7 16.8 4. 2 6.3 2.8 2.4 3.6 0.5 0.8 2 .4 4 .7 7.1 9 .5 8 .0 9 .6 11.2 12 .8 41.6/44 .8 52/56 10.012.55.9 8.9 24.7/26.637.1/403.75-16.88
2.4 2.8 4.2 5.6 8.4 11.2 14 16.8 19.6 22.4 5.6 8.4 6.4 3.4 5 1 1.6 3. 2 6.4 9.6 12. 8 16 19.222.4 25.6 12.8 16. 0 12. 8 16 7.6 11.4 7.6 11.4 1. 5-4.528 220 140 108 72 54 44 36 32 28 108 72 75 180 120 900 640 220 108 72 54 40 32 28 24 13 10 54 44 108 72 25 16 170-55
0.66 165 105 81 54 40.5 33 27 24 21 81 54 33.91 129.6 86.4 456.66324.74162.2579.6553.1 39.8319.9215.9413.94 11.95 42.25/45.5 32.5/3542.1234.3284.2456.1681.2/87.552/56 137-637
490 260 450 560 540320 560/600590/540680640/680 700-1000
140
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Insulation against the heat in summer
GUTEX wood insulation boards protect living
areas from high temperatures, in particular, areas
under the roof. Thanks to their high thermal storage
capacity, they effectively dampen the flow of warmth
from exterior to interior areas.
Insulation against the cold in winter
Effective insulation reduces your heating
bills and creates a comfortable living environment in
winter. Due to their low thermal conductivity (D =
0.037 W/mK), GUTEX insulating wood fibreboards
provide optimum insulation in winter, protecting the
interior of your house from heat loss and ingression
of cold.
Pleasant living environment
GUTEX wood fibre insulation boards are
vapour permeable (3), regulating the living environ-
ment with their ability to absorb and release up to
20% of their weight in moisture without the loss of
their insulation capacity.
Soundproofng
The open-pore structure of GUTEX wood
fibreboards and their high absorption volume contrib-
ute to their ability to deliver superb soundproofing
against airborne and impact noise.
Made in Germany
For more than 75 years, the family owned and
operated company, GUTEX, has manufactured insulation
boards at its plant in Waldshut-Tiengen, located in the southern
Black Forest. All GUTEX insulation boards carry the CE and U
marks and are produced according to the current applicable
standards. GUTEX thermal insulation composite systems are
approved by the German building authorities.
User riendly
GUTEX insulation boards, manufactured according to
the highest quality standards, are characterised by absolutely
minimum dimensional deviation. This, combined with the de-
tailed installation instructions provided by the manufacturer,
makes GUTEX products a pleasure to work with.
Recyclability
GUTEX wood fibreboards are completely recyclable
and, provided wood preservatives have not contaminated
them, can be disposed of at the nearest recovery centre.
Environmental compatibility
The raw material for all GUTEX insulation boards
comes form wood that is harvested and grown using
sustained forestry management practices. GUTEX exclusively
uses untreated spruce and fir chips and shavings, which are
by-products obtained from other timber manufacturing pro-
cesses. All GUTEX insulation boards are tested and certified as
biologically safe and compatible with other building materials
(natureplus seal of quality).
Fire protection
GUTEX wood fibre insulation boards easily
comply with fire protection regulations.
Various individual certificates of approval are available
for F30-B to F90-B f ire resistance ratings.
GUTEXs customer assistance
An important part of GUTEXs customer service is its qualified
assistance. Whether you require help with a private single-
family house or commercial property, GUTEXs trained and
qualified staff will gladly assist you.
GUTEX provides training
Architects, craftsmen, wholesalers, sales staffs and developers
can benefit from the workshops GUTEX offers, which address
specific topics, such as the application of physics to the
building trade, construction techniques, product applications,
etc. Visit our website for further information or give us a call.
N AT U R A L L Y M A D E O F WO O D
04/07
GUTEX HolzfaserplattenwerkGutenburg 5D-79761 Waldshut-Tiengen
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