04200-04270 MASONRY WALL COST GUIDE - …s3.amazonaws.com/zanran_storage/ MASONRY WALL COST GUIDE...

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MASONRYWALL COST

GUIDE

MASONRYWALL COST

GUIDE

The MasonContractors

Association ofAkron and

Vicinity

The MasonContractors

Association ofAkron and

Vicinity

IntroductionThe following is an updated version of past masonry

wall cost guides. It is published by the members of the MasonContractors Association of Akron and Vicinity. Cost figures are in dollars per square foot and are prepared for a wide range ofarchitectural projects based on prevailing wages. Costs can and will vary depending on the difficulty of the project or if prevailingwages are in effect. We encourage the user to contact a memberfor free costing analysis of specific projects.

Guidelines used in compiling these costs are:a.) Building heights that do not exceed three storiesb.) An average amount of built-in items, concealed piping,

saw cuts, pilasters, bullnose corners, embedding of plates,bolts, etc.

c.) An average combination of interior and exterior masonryd.) Colored masonrye.) Moisture repellent in mortar for CMU veneers.The square foot prices include material costs, labor costs,

equipment, taxes, overhead, and a Mason Contractors profit. Weare proud to offer a wider range of masonry wall construction. Inboth aesthetics, engineering, and economics, we feel that masonryconstruction offers a distinct value to new building construction. Inaddition, to the obvious attributes of:

• Fire Resistance • Low life-cycle costs• Speed of Erection • Sound Absorbancy/• Flexibility of Design Reflectivity• Structural Integrity • Thermal Massthe designer must consider lower insurance costs, higher

resale value and the positive image of masonry construction.This version of the wall cost guide shows comparisons

utilizing lightweight high-performance concrete masonryunits. Including attributes of cost effectiveness, higher R-values and fire ratings, the lightweight units provide anexcellent alternative and greater flexibility for the designer,the mason, and the building owner alike.

Thank you for considering the use of masonry in your next project!

The Mason Contractors Associationof Akron and Vicinity

OFFICERS:President:Terry MoserMoser ConstructionVice President:David PhillipsDave Phillips MasonrySecretary:Tom GriebelDuer ConstructionTreasurer:Shawn LuliMedhurst Mason Contractors

MASONS:Ameriseal and RestorationBenner Masonry ContractorsCoon Restoration & SealantsCrowe ConstructionDuer Construction CompanyFoam of AkronG&G ConstructionGeis Construction CompanyWarren G. Jones Construction CompanyThomas Kintz ConstructionMedhurst Mason ContractorsMorgan Masonry ConstructionMoser Construction Company, Inc.Dave Phillips Masonry

ASSOCIATE MEMBERS:Akron Brick and BlockThe Henry Bierce CompanyCemex, Inc.ESSROC Cement, Inc.Johns-Eagon CompanyLaFarge North AmericaLehigh Cement CompanyLEPPO EquipmentMedina Glass BlockMedina Supply CompanyW.L. Tucker Supply CompanyWaco Scaffolding

MASONRY TRAINING PROGRAM:Maplewood Area Career CenterNorton High SchoolCentral-Hower, AkronMCAA Apprenticeship Program

The Mason Contractors Associationof Akron and Vicinity76 East North StreetAkron, OH 44304PH 330.762.9951FAX 330 762.9960

2

ASSUMPTIONS:The square foot costs represented here are based upon the following assumptions:a. Iabor cost as of January 1, 2004b. material cost as of January 1, 2004c. unit masonry costs as shown

Wall EconomicsFor far too many years this question has been asked, and the answer has served as a basis for selecting masonry walls.

Whether being answered by a mason contractor or material supplier, the “old standard” per thousand price is no longerappropriate. Certainly, as the rest of the construction industry has found, it is appropriate to think of masonry walls in termsof COST PER SQUARE FOOT.

In this day of “industrialized systems,’’ “packaged systems,” “panelized systems,” and a maze of other “wonder methods” of construction, those who would design or build are being fed a neverending supply of claims and counterclaimsthat result in confusion, or many questions at best.

Today’s designer is faced with an increasingly more difficult job of evaluating and sitting through these “wonder systems” and rightfully adopting or utilizing those with merit. The proficiency of the evaluator is based upon his ability toproperly compare what is available. This being completed, the final selection becomes rather academic .

There are three basic factors necessary to achieve successful construction; namely, aesthetics, engineering, and economics. We recognize the professional approach to aesthetics by the architect, and engineering as a well-documented science in most instances; however, economics remain rather difficult and often frustrating to evaluate. Let us look furtherinto this subject. From the publication “Brick the Competitive Edge” by the Brick Institute of America, the following factorsshould be considered to arrive at a fair economic evaluation:

VALUE OF MONEYThis is another way of saying interest rate. To evaluate

total wall costs, one must consider total initial costs plus“present worth” of all future costs. To know interest ratesand future payment schedules enables one to computepresent values of future costs.

DEPRECIATIONThis is of particular importance to taxable organiza-

tions, allowing them to recover a large portion of initialcosts. It is usually computed on a straight-line basis and is influenced by time, nature of materials, and obsoles-cence.

PRICE INCREASESToday we can assume that prices will continue to

rise. The weighted average increase of building costssince 1939 until now is .105 per year. Not to consider this factor when evaluating walls with maintenance andoperational expenses involved, results in bias towardthese walls.

INCOME TAXESMay have an influence on wall selection. Since opera-

tional expenses can be charged off for tax purposes, wallswith low initial cost and higher operational costs may bejustified. This is not true, of course, for tax-exempt organ-izations (building schools, churches, and the like). Carefulstudy should be given to this matter.

INITIAL CONSTRUCTION COSTSUsually a representative cost can be developed from

various cost references such as this guide. It is important,however, that the developer or investor not act as thearchitect or engineer. The only method of determiningfinal costs is by competitive bidding from finished work-ing drawings. The wall costs presented in this guide are appropriate for masonry work in the AkronMetropolitan area.

COST OF SUPPORTING WALLSOn extremely tall structures, the cost of supporting

non load-bearing panel or curtain walls must be chargedto the initial wall cost. The heavier the wall, the greaterthe foundation requirement. In load-bearing buildings,the use of bearing walls eliminates structural frame costs;therefore, in comparison, walls utilizing structural framesshould be charged with frame costs.

SPACE OCCUPIED BY THE WALLSThis is of particular importance in rental properties or

structures of limited space. Not all structures, of course,are concerned with this limited space factor.

SPEED OF ERECTIONThis consideration may provide savings of initial con-

struction costs as well as a faster return on investmentsfor the owner. There are signs that prefabrication mayprovide an additional dividend, particularly on-site prefab-rication of masonry walls. It must be kept in mind, how-ever, that design and preparation time numst be addedinto erection time.

COMPARABLE WALL COST

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AIR-CONDITIONING COSTSIn evaluating types of walls, this can be one of the

most significant considerations. Exterior wall colors,weight, and transparency affect how much heat isgained. Lower costs favor heavier opaque walls and may vary from about 50 cents per square foot up to$12.00 or more in transparent walls.

HEATING COSTSCertainly an important consideration affected by the

heat transmission qualities of the walls. Costs of heatingstructures of insulated walls may be up to ten times lessthan those of uninsulated transparent walls.

MAINTENANCE EXPENDITURESOf major importance are those costs which include

painting, cleaning, caulking, and pointing. Since these are primarily labor costs, they become very significant.Consider;■ The cost of window cleaning. This must be done

every three months. Add to this the cost of maintain-ing drapes or blinds.

■ Metal skin buildings must be washed about everyeight years.

■ Masonry is usually cleaned by sand blasting every 35years.

■ Caulking for windows or panels at eight-year intervals.■ Tuck-pointing masonry at 35 year intervals.

ILLUMINATION COSTSSince most buildings utilize artificial lighting, very little

if any savings are effected through glass utilization .

SALVAGE VALUESOf some consequence are metal panels that offer

salvage values as opposed to completely depreciatedwalls of other materials, particularly at a normal 50-year life.

INSURANCE RATESRates are based upon type of structure, occupancy,

degree of exposure, and fire protection provided. Costsvary greatly between masonry walls and other materialsand become significant on larger structures.

REAL ESTATE TAXESReal estate values usually decline as a building

matures, but real estate rates generally rise. These factorstend to nullify each other. It is wise to consult a local tax-ing agency and to remember the higher the initial cost,the higher the taxes.

Contemporary Design CriteriaFire Ratings

Building codes are quite specific in the degree of fire protection required in various areas of buildings. This protection is derived from the fire resistance of walls, partitions, and floors and is measured according to the Standard Methods of FireTests of Building Construction and Materials, ASTM E-119. Tests are conducted at Underwriters Laboratory, the NationalBureau of Standards, or other recognized laboratories.

The ratings indicate a component’s ability to withstand controlled fire intensities for a time equal to or in excess of the rating. They are expressed in whole hour increments up to four hours, which is usually the maximum rating required by building codes.

The fire rating required for a building component becomes the function of design as well as the appropriate building code. Based upon actual experience, masonry walls have proven superior to other wall types when subjected to fire. Their excellent stability and load carrying capacity make them outstanding wall values. Refer to the chart on page 19 for current codes.

Sound Transmission ClassAlthough considerable attention is given to a wall’s ability to absorb or reflect sound, we find a greater concern for

the amount of sound passage through walls. We identify the rating of the ability to resist passage as the Sound TransmissionClass. Briefly, the STC is a single number rating derived from the measured sound transmission loss of 16 standard frequenciesthrough a wall. The value is expressed in decibels. The chart found on page 18 further explains this area.

Heat Loss And Heat GainASHRAE Standard 90-90.2 “Energy Conservation in New Building Design” recommends that in addition to the criteria

set forth in the standard, a proposed design should consider thermal mass. In Section 4.4.3, Cooling Criteria, consideration is given to the mass of a wall when the formula given for compliance with the standard is applied. However, no provisions are given for consideration of mass when checking for compliance of a wall or roof system in heating applications. The “M”factor is a simplified correction factor that is intended to be used when checking walls and roofs for compliance with therequirements of 90-90.2 in heating applications.

4

Modular Brick3-5/8” x 2-1/4” x 7-5/8”Weight 40U Value .82Fire Rating 1STC 45Est Cost $ 16.15

(per square foot)

Utility Brick3-5/8” x 3-5/8” x 11-5/8”Weight 40U Value .82Fire Rating 1STC 45Est Cost $ 12.65

(per square foot)

Properties Values Weight: lbs. • U Value: BTU/SqFt/Hr/F • Fire Rating: Hr • Sound Transmission Class: db

4”Wall

Monarch Brick3-5/8” x 3-5/8” x 7-5/8”Weight 40U Value .82Fire Rating 1STC 45Est Cost $ 12.20

(per square foot)

4”Wall

8W-4” Glazed Tile3-5/8” x 7-5/8” x 15-5/8”Weight 25U Value .55Fire Rating -STC 39Est Cost $ 19.60

(per square foot)

4”Wall

4” Hollow Block3-5/8” x 7-5/8” x 15-5/8”Weight 24U Value .76Fire Rating 1+STC 48Est Cost $ 6.45

(per square foot)

4”Wall

4”Wall

6T-4” Glazed Tile3-5/8” x 4-5/8” x 11-5/8”Weight 25U Value .55Fire Rating -STC 39Est Cost $ 20.35

(per square foot)

4”Wall

4” Burnished3-5/8” x 7-5/8” x 15-5/8”Weight 22U Value .39Fire Rating 1STC 41Est Cost $ 11.50

(per square foot)

4”Wall

4” Fluted Block3-5/8” x 7-5/8” x 15-5/8”

+ 1-5/8” FluteWeight 36U Value .44Fire Rating 1+STC 48Est Cost $ 12.50

(per square foot)

4”Wall

5

6” Hollow Block5-5/8” x 7-5/8” x 15-5/8”Weight 32U Value .43Fire Rating 1.5STC 44Est Cost $ 6.85

(per square foot)

6T 2-Faced SGFTSystem 6TC + 6T2Weight 47U Value .34Fire Rating 2STC 48Est Cost $ 42.35

(per square foot)


6”Wall

8W 2-Faced SGFTSystem 8WC + 8W2Weight 50U Value .34Fire Rating 2STC 48Est Cost $ 34.21

(per square foot)

6”Wall

8” Hollow Block7-5/8” x 7-5/8” x 15-5/8”Weight 38U Value .38Fire Rating 2STC 44Est Cost $ 6.60

(per square foot)

8”Wall

8” Scored Colored7-5/8” x 7-5/8” x 15-5/8”Weight 38U Value .38Fire Rating 2STC 44Est Cost $ 9.85

(per square foot)

8”Wall

6”Wall

6” Single Faced SGFT5-3/4” x 5-11/16” x 11-5/8”Weight 41U Value .35Fire Rating 4STC 47Est Cost $ 20.00

(per square foot)

6”Wall

8” Scored Gray7-5/8” x 7-5/8” x 15-5/8”Weight 38U Value .38Fire Rating 2STC 44Est Cost $ 6.95

(per square foot)

8”Wall

8” Burnished7-5/8” x 7-5/8” x 15-5/8”Weight 40U Value .32Fire Rating 2STC 49Est Cost $ 12.50

(per square foot)

8”Wall

6

8R Splitface7-5/8” x 7-5/8” x 15-5/8”Weight 40U Value (est) .33Fire Rating 2STC 49Est Cost $ 12.10

(per square foot)

8R1S1F Scored Splitface7-5/8” x 7-5/8” x 15-5/8”Weight 40U Value .338Fire Rating 2STC 49Est Cost $ 12.75

(per square foot)


8”Wall

8” Fluted Block4 Rib: 9-1/4” x 7-5/8” x 15-5/8”8 Rib (shown): 8-1/2” x 7-5/8” x 15-5/8”Weight 56U Value (est) .44Fire Rating 1+STC 48Est Cost $ 15.85

(per square foot)

8”Wall

Halfhigh Splitface7-5/8” x 3-5/8” x 15-5/8”Weight 50U Value .55Fire Rating 2.5STC 51Est Cost $ 14.55

(per square foot)

8”Wall

8” Ivany (Rebar) Grouted7-5/8” x 7-5/8” x 15-5/8”Weight 71U Value .43Fire Rating 4STC 49Est Cost $ 11.45

(per square foot)

8”Wall

8”Wall

Brick Thru-Wall7-5/8” x 3-5/8” x 15-5/8”tWeight 62U Value .42Fire Rating 3STC 44Est Cost $ 13.55

(per square foot)

8”Wall

Smooth Halfhigh7-5/8” x 3-5/8” x 15-5/8”Weight 42.5U Value .51Fire Rating 2STC 49Est Cost $ 14.25

(per square foot)

8”Wall

4” Brick with4” Block Backup

Weight 62U Value .36Fire Rating 4STC 49Est Cost $ 21.95

(per square foot)

8”Wall

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16U Splitface with4” BackupWeight 63U Value (est) .38Fire Rating 4STC 42Est Cost $ 17.50

(per square foot)

16RSM Veneer with4” BackupWeight 63U Value .43Fire Rating 4STC 44Est Cost $ 14.60

(per square foot)


8”Wall

6T-4” SGFT with4” BackupWeight 54U Value .31Fire Rating 4STC 57Est Cost $ 34.10

(per square foot)

8”Wall

12” Hollow11-5/8” x 7-5/8” x 15-5/8” LightweightWeight 55U Value .31Fire Rating 3+STC 50Est Cost $ 7.70

(per square foot)

12”Wall

12” Burnished11-5/8” x 7-5/8” x 15-5/8” Ground FaceWeight 55U Value .32Fire Rating 3+STC 49Est Cost $ 16.25

(per square foot)

12”Wall

8”Wall

8W-4”SGFT with4” BackupWeight 54U Value .31Fire Rating 4STC 57Est Cost $ 25.65

(per square foot)

8”Wall

12” Scored11-5/8” x 7-5/8” x 15-5/8” LightweightWeight 55U Value .31Fire Rating 3+STC 50Est Cost $ 8.10

(per square foot)

12”Wall

12” RSM Smooth Scored11-5/8” x 7-5/8” x 15-5/8” LightweightWeight 55U Value .31Fire Rating 3+STC 50Est Cost $ 13.50

(per square foot)

12”Wall

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8

12” Splitface11-5/8” x 7-5/8” x 15-5/8” Weight 66U Value .50Fire Rating 3+STC 55Est Cost $ 13.55

(per square foot)

12” Splitface Scored11-5/8” x 7-5/8” x 15-5/8” Weight 66U Value .50Fire Rating 3+STC 55Est Cost $ 15.10

(per square foot)


12”Wall

12” Fluted Block11-5/8” x 7-5/8” x 15-5/8” Overall4 Rib (shown) and 8 RibWeight 64U Value .31Fire Rating 3+STC 50Est Cost $ 19.00

(per square foot)

12”Wall

12” Halfhigh Smooth11-5/8” x 3-5/8” x 15-5/8” Weight 71U Value .31Fire Rating 3+STC 48Est Cost $ 16.50

(per square foot)

12”Wall

12” Modular Brick Veneer-ModularWeight 80U Value .30Fire Rating 4STC 58Est Cost $ 21.45

(per square foot)

12”Wall

12”Wall

12” Halfhigh Splitface11-5/8” x 3-5/8” x 15-5/8” Colored Weight 71U Value .31Fire Rating 3STC 50Est Cost $ 18.10

(per square foot)

12”Wall

12” Ivany (Rebar) Grouted11-5/8” x 7-5/8” x 15-5/8”Weight 121U Value .44Fire Rating 4STC 44Est Cost $ 13.50

(per square foot)

12”Wall

12” Utility Brick Veneer-ModularWeight 80U Value .30Fire Rating 4STC 58Est Cost $ 20.00

(per square foot)

12”Wall

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12 x 12 x 4 Glass BlockEst Cost $ 28.10

(per square foot)


(per square foot)

4”Glass


(per square foot)

4”Glass


(per square foot)

4”Glass

45° CornerEst Cost $ 36.20

(per square foot)

One-Sided 31/8”Finishing UnitEst Cost $ 36.20

(per square foot)

One-SidedFinishing UnitEst Cost $ 36.20

(per square foot)

Two-SidedFinishing UnitEst Cost $ 42.12

(per square foot)

4”Glass


(per square foot)

4”Glass

Radius Glass BlockEst Cost $ 36.20

(per square foot)

4”Glass

10

GLASS BLOCK INSULATED WALLS

SOUND TRANSMISSION CLASS

Portland Cement Lime Sand

1 part 1/2 part 4 parts

1.0 cubic foot 0.5 cubic foot 4.0 cubic feet(1 bag/94 lbs) (20 lbs) (320 lbs)

Block Sizes (Nominal) 6” 8” 12” 4” x 8” 6” x 8”

Number of Block 400 225 100 450 300

NumberInside of Joint Thickness

Block Radius, Blocks in InchesSize Inches in 90o Arc Inside Outside

4” x 8” 32 13 1/85/8

6” x 6” 48 1/2 13 1/85/8

8” x 8” 65 13 1/85/8

12” x 12” 98 1/2 13 1/85/8

Mortar Mix and Estimating Tables

Number of Block for 100 sq.ft. Panel

Inside Radius Minimumsfor Curved Panel Construction

NOTES:1. It is suggested that curved areas be separated from flat areas byintermediate expansion joints and supports, as indicated in thesedrawings.2. When, straight, ladder-type reinforcing is used on curved walls,the innermost parallel wire may be cut periodically and bent toaccommodate the curvature of the wall.

”U” FACTORSAND COSTS

RESULTING FROM THECOMBINATION OFMASONRY AND

INSULATION

HOLLOW LIGHTWEIGHT BLOCK 8" 12"

INSULATION MATERIAL U *COST U *COST

UNINSULATED .35 — .300 —

Vermiculite filled cores .15 $1.70 .110 $0.96

1" Polystyrene board .17 $1.50 .160 $0.50

2" Polystyrene board .10 $1.00 .090 $1.00

Foam filled .13 $1.70 .095 $0.96

* Cost per square foot for insulation installed, add to previous wall costs.• Values for hollow units are calculated data based upon products of one

manufacturer. These values will vary with core size and brick density.• Water-repellent loose fill insulation.

15 20 25 30 35 40 45 50 55WALL WEIGHT IN POUNDS PER SQUARE FOOT

60

50

40

30

20

ESTI

MA

TED

STC

. DEC

IBEL

S

4" PARTITIONS

6" WALLS

8" WALLS

COMPOSITE,CAVITY, AND OTHER

MORE MASSIVE WALLS

SURFACE SEALED WITH PAINT OR PLASTER

WALL SURFACE NOT PAINTED OR PLASTERED

ESTIMATE STC OF CONCRETE MASONRY WALLS

Sound Transmission Class describes the ability of awall to stop the transmission of sound from one of its

sides to the other, expressed in decibels.The followning chart depicts the various STC

achieved using concrete masonry walls.

11

BOCA BASIC/NATIONAL BUILDING CODEBuilding Officials Conference of America, Inc.1994 Supplement

Recommended Analytical Methods for Concrete Masonry4.5 Calculation method: The fire resistance of concrete masonryassemblies shall be determined in accordance with the requirementsof the following provisions.4.6 Equivalent thickness4.6.1 Ungrouted or partially grouted construction: The equivalentthickness of concrete masonry assemblies, Tea, shall be theequivalent thickness of the concrete masonry unit, Te, determined inaccordance with ASTM C 140, “Standard Methods of Sampling andTesting Concrete Masonry Units,” plus the equivalent thickness offinishes, Tef, (see 4.6.3, Finishes).

Tea = Te + Tef

4.6.2 Solid grouted construction: The equivalent thickness, Te, orconcrete masonry units which are solidly grouted shall be taken asthe specified thickness of the unit.4.6.4 Filling cells with loose fill material: The equivalent thickness ofconcrete masonry units filled with loose fill materials complying withthe following requirements shall be taken as the specified thickness.Loose fill material placed in the cells of hollow masonry units toincrease the fireresistance rating of the assembly shall be sand, peagravel, crushed stone, or slag (ASTM C33, “Specification forConcrete Aggregates”); pumice, scoria, expanded fly ash, cinders(ASTM C331, “Specification for Lightweight Aggregates forConcrete Masonry Units,” ASTM C332, “Specification forLightweight Aggregates for insulating Concrete”): or perlite (ASTMC549, “Standard Specification for Perlite Loose Fill Insulation) orvermiculite (ASTM C516, “Standard Specification for VermiculiteLoose Fill Thermal Insulation”).

TABLE 4.7.1Fireresistance Rating of Concrete Masonry Assembliesc

Minimum required equivalent thickness of the concrete masonry assemblya(inches

Fireresistance rating (hours)4 3 2 1 1 .75 .50

Calcareous or siliceous gravel 6.2 5.3 4.2 3.6 2.8 2.4 2.0Limestone cinders or slag 5.9 5.0 4.0 3.4 2.7 2.3 1.9Expanded clay shale or slate 5.1 4.4 3.6 3.3 2.6 2.2 1.8Expanded slag or pumice 4.7 4.0 3.2 2.7 2.1 1.9 1.5

Note a. Fireresistance rating between the hourly fireresistance ratingperiods listed shall be determined by linear interpolation based onthe equivalent thickness value of the concrete masonry assembly.Note b. Minimum required equivalent thickness corresponding tothe hourly fireresistance rating for units made with a combination ofaggregates shall be determined by linear interpolation based on thepercent by volume of each aggregate used in the manufacture.Note c. 1 inch = 25.4 mm.•Due to the complexity of equivalent thickness

measurements and different weight classifications of blockavailable, we encourage you to call a masonry supply dealeror manufacturer to obtain the current fire rating.

MASONRY INFORMATIONApproximate quantities of mortar required for laying 1000 bricks.

1:3 Mix by VolumeJoint 4” Wall 8” Wall 12” Wall 16” Wall3/8” 2.9 3.9 4 3 4.51/2” 3.9 5.0 5.4 5.65/8” 4.9 6.1 6.5 6.7

Approximate quantities of mortar and sand required for laying 1000 concrete blocks3/8” Joints 1:3 mix by Volume’

(Face Shell Mortar Bed)Wall Cu. Ft.

Block Size Thickness Mortar Sacks Mortar Tons Sand4 x 8 x 16” 4 75 25 38 x 5 x 12” 8 75 25 38 x 8 x 16” 8 75 25 38 x 12 x 16” 12 75 25 3

*10% allowance made for waste. All joints are full bed mortar.

Aggregate type in the concrete masonry unitb

MASONRY INFORMATION

FIRE RATING

12

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12R (12x8x16)

Lightweight, high-performance concrete masonry units made with expanded shale, clayand slate (also known by the trade name Haydite), are up to 40% lighter than traditionalmasonry units. This lighter weight results in increased mason productivity, lower construc-tion costs and reduced injuries. Lightweight units also provide superior insulation by com-bining high R-values with thermal mass and low thermal bridging. In addition, they offersuperior fire resistance, effective sound absorption, excellent seismic performance, lowshrinkage and high strain capacity. Lightweight units give designers and buildersgreater flexibility in creating solutions to meet the challenges of dead load, ter-rain, seismic conditions, construction schedules and budgets.

Haydite is a unique, ceramic lightweight aggregate prepared by expandingselect minerals in a rotary kiln at temperatures over 1000°C. The productionand raw material selection processes are strictly controlled to insure a uniform,high-quality product that is structurally strong, stable, durable and inert, yetalso lightweight and insulative.

Lightweight concrete masonry units provide:

Save TimeLightweight concrete masonry

units increase mason productivity from 20% to 65%, depending on the size of the block. Because thegreatest cost factor in a masonry wall is labor, increased productivity producesa considerable savings. This makes thelightweight concrete masonry wall costcompetitive with any other wall system.

Save EnergyLightweight concrete

masonry walls offer supe-rior energy efficiency bycombining high R-values,thermal mass and lowthermal bridging. In fact,lightweight block wallswith hollow cores (noinsulation) have higher R-values than heavy weightblock with core insertinsulation.

Save MoneyLightweight concrete masonry is one of the smartestwall systems available. It provides structural integrity,striking beauty and energy efficiency all in one.Following are the current wall cost figures forcomparison:

Item Stain Sealant* S.F. Unit TOTALTraditional 8R $10.38Lightweight 8R .85 17.33 8.18Colored Lightweight 8R .50 19.30 9.80

Traditional 12R 11.80Lightweight 12R .85 19.30 10.15Colored Lightweight 12R .50 10.54 11.04*Call one of the MCAA member/dealers for more information.

Mason Productivity Graph

Traditional 8x8x16 Concrete Block

Lightweight 8x8x16 Concrete Block

Lightweight 8x8x24 Concrete Block

20% increase inproductivity

65% increase in productivity

Note: The chart to the right wasdeveloped by using the latest ver-sion of ASHRAE’s building energyconservation standard ASHRAE/IES90.1-1989. Standard 90.1 looks atthe performance of many buildingcharacteristics (wall thermal mass,thermal bridging and insulationposition) rather than concentratingstrictly on wall R-values

• Lower wall costs with superiorquality

• Faster productivity and fewer injuries• Greater value• Better fire ratings• Unparalleled stability• Superior insulation• Lower heating/cooling costs

• Low shrinkage• High strain capacity• Effective sound absorption and

transmission• Exceptional freeze-thaw durability• Excellent seismic performance• Exceeds all building code

requirements

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8R (8x8x16)

0 10 20 30 40 50 60 70 80

45.5

45.8

46.7

51.8

62.6

64.2

70.8

WALL BTU LOADS (Thousands)

Energy Loss ComparisonTypical Midwest Apartment Building

12" Lightweight 90#/cf concretemasonry with perlite insulation

Metal stud walls with 1" ext. rigidinsulation and R-19 batt insulation

12" traditional 135#/cf concretemasonry with perlite insulation

Metal stud wall 16 O.C. with brickface and R-19 batt insulation

12" lightweight 90#/cf concrete masonrywith no added insulation

12" traditional 135#/cf concrete masonry with2" core insert insulation

12" traditional 135#/cfwith no insulation

LIGHTWEIGHT CONCRETE MASONRY UNITS

13

CONVERSION TABLES

Displacement No. Units Sq. Ft. Wall Cu. Ft. Mortar Cu. Ft. MortarUnit and Size of 1,000 Per Per Per Sq. Ft. Per

HEIGHT/LENGTH/BED Standard Sq. Ft. 1000 Units Wall 1000 Units

STANDARD2-114 x 8 x 3-314 1,000 6.55 152.67 0566 8.641

JUMBO STANDARD2-314 x 8 x 3-314 840 5.50 181.75 .0498 9.051

UTILITY STANDARD3-518 x 7-518 x 3-518 687 4.50 222.22 .0412 9.155

HANDMADE COLONIAL2-518 x 8-518 x 3-314 814 5.33 187.50 .0505 9.469

ROMAN1-518 x 11-518 x 3-314 916 6.00 166.67 .0665 11.084

NORMAN2-114 x 11-518 x 3-314 698 4.57 218.80 .0530 11.597

JUMBO NORMAN2-314 x 11-518 x 3-314 586 3.84 260.40 .0461 12.004

UTILITY NORMAN3-518 x 11-518 x 3-518 458 3.00 333.33 .0369 12.290

SCR2-114 x 11-518 x 5-518 698a 4.57 218.80 .0795 17.394

NORMAN BONDER2-114 x 11-518 x 7-518 698b 4.57 218.80 .1076 23.570

J.N. BONDER2-314 x 11-518 x 7-518 586b 3.84 260.40 .0937 24.400

UTILITY THRU WALL3-518 x 11-518 x 7-518 458b 3.00 333.33 .0776 25.855

a-Nominal 6” Wall Thicknessb-Nominal 8” Wall Thickness

SERIES NO. NAME *NOMINAL SIZE *VERTICAL COURSING

S Standard 2-1/4 x 8 x 3-3/4 3 Courses to 8”

J Jumbo 2-3/4 x 8 x 3-3/4 5 Courses to 16”

R Roman 1-5/8 x 12 x 3-3/4 4 Courses to 8”

6S Norman 2-1/2 x 1 2 x 3-3/4 3 Courses to 8”

6J Norman Jumbo 2-3/4 x 12 x 3-5/8 5 Courses to 16”

4P Utility Standard 3-5/8 x 8 x 3-5/8 2 Courses to 8”

6P Utility Norman 3-5/8 x 12 x 3-5/8 2 Courses to 8”

NOTES: *Coursing equal bricks and mortar joints to reach a given module.*Actual size of bricks can vary slightly by manufacturer.

BASED ON BRICK PLUS 3/8" MORTAR JOINT AND NO WASTE ALLOWANCE

14

MASONRY SPECIFICATION NOTES NOMENCLATURE & DEFINITIONSASTM C-90-96Hollow load bearing units. Does not specify aggregate,

ASTM C-55 Concrete building brick.

ASTM C-145 Solid load bearing units—units with 75% or more of grossarea. 2 grades: N-1 1800 PSI, S-1 1200 PSI, average on grossarea. Does not specify aggregate.

ASTM C-33 Sand and gravel aggregates. ASTM C-331... Expanded shaleaggregate.

ASTM C-476 Mortar and Grout for reinforced masonry.

ASTM C-270Mortar for Unit Masonry. Covers 5 grades of mixed mortar.The 3 grades most commonly used are:

N-750 PSI Standard mortar most commonly used.S-1800 PSI Extra strength mortar required for bearing.M-2500 PSI High strength mortar—used with high

strength masonry units.

ASTM C-216Refers to specifications for face brick which are solidmasonry units 75% solid or more. If brick are to be 100%solid, this should be defined by the specifier.

Grades: SW-Severe Weather, MW-Moderate Weather,NW-No Weather

Type FBS-Rough-Wide color range Type FBS-Smooth-Wide color range Type FBX-Very close color and tolerances Type FBA-Covers specifications that are determined

by the Architect and differ from standards forabove groups.

ASTM C-652Refers to specifications for Hollow Clay masonry units of lessthan 60% solid bearing surface. Any special coring shouldbe indicated by the specifier or the coring will be at thediscretion of the manufacturer.

Grades SW-Severe Weather, MW-Moderate Weather,Type HBS-Wide color range and texture Type HBX-Narrowcolor range and tolerance. Type HBA-Covers specificationsthat are determined by the Architect and differ fromstandards for above groups. Type HBB-Where color andtexture are not a consideration.

The desired size should be referred to by specificdimensions, i.e., depth, height, and length, rather than byusing generic terms. The general color range and texture ofthe brick should be indicated in the specifications; this canaffect the labor costs.

If a specific brick is not specified, an allowance shouldbe written in the specifications so that all of the contractorswill be bidding on an equal basis.

ASTM C-902Pedestrian and light traffic paving brick.

HOLLOW BRICK:One whose net cross-sectional area in any plane parallel tothe bearing surface is less than 75% of the gross area .

SOLID BRICK:One whose net cross-sectional area in any plane parallel tothe bearing surface is 75% or more of the gross area.

STANDARD BRICK:Brick whose Actual dimensions are 3-3/4” x 2-1/4” x 8”.

MODULAR BRICK:Brick whose nominal dimensions are based on the 4”module.

HOLLOW CONCRETE MASONRY UNIT:A masonry unit whose net cross-sectional area in any planeparallel to the bearing surface is less than 75% of the grossarea.

SOLID CONCRETE MASONRY UNIT:A masonry unit whose net cross-sectional area in any planeparallel to the bearing surface is 75% or more of the grossarea.

GROSS AREA:Width times length of unit in the bearing plane.

NET AREA:Gross area times % Solid.Example:8” x 8” x 16”: 53% SolidGross Area = 7-5/8” x 15-518” = 119.14 square inchesNet Area = 7-5/8” x 15-5/8” x .53 = 63.14 square inches

CAVITY WALL:A wall built of masonry units arranged to provide acontinuous air space between facing and backing wythesand connected with rigid metal ties.

COMPOSITE WALL:A multiple wythe wall in which at least one of the wythes isdissimilar to the other wythe or wythes with respect to typeor grade of masonry unit or mortar.

WYTHE:Each continuous vertical section of masonry one unit inthickness.

REINFORCED MASONRY:Masonry units, reinforced with steel, grout and/or mortar,combined together to resist forces.

EQUIVALENT THICKNESS:Average thickness of solid material in wall or partition.

M FACTOR:Heat transfer calculations accounting for thermal storagedue to mass.

R VALUEThe amount of resistance to heat flow between the warmside and the cold side of a building section.

U FACTOR:The calculated thermal conductance between the warm sideand the cold side of a building section, (expressed in BTU’s).

SOUND TRANSMISSION CLASS:The ability of a wall to stop the transmission of sound fromone of its sides to the other, expressed in decibels.

15

Akron Brick and Block3225 Mogadore Road

Akron, OH 44312TELEPHONE: (330) 628-2603

FAX: (330) 628-4467

Ameriseal and Restoration1920 South Main Street


FAX: (330) 724-4706

Benner Masonry ContractorsP O Box 17

Mantua, OH 44255TELEPHONE: (330) 274-3148

FAX: (330) 274-0053

The Henry Bierce Company50 Southeast AvenueTallmadge, OH 44278

TELEPHONE: (330) 633-3282FAX: (330) 633-3298

Cemex, Inc.33008 Monticello Blvd.

Cleveland Heights, OH 44118TELEPHONE: (216) 271-4000

FAX: (216) 371-2912

Coon Restoration & Sealants7349 Ravenna Avenue NE

Louisville, OH 44641TELEPHONE: (330) 875-2100

FAX: (330) 875-1721

Crowe Construction7011 Red Brush RoadRavenna, OH 44266

TELEPHONE: (330) 297-9778FAX: (330) 297-7709

Duer Construction Company1016 Morse StreetAkron, OH 44320

TELEPHONE: (330) 848-9930FAX: (216) 848-9931

ESSROC CementSecond Street

Bessemer, PA 16112TELEPHONE: (412) 667-7702

FAX: (412) 667-1067

Foam of AkronP.O. Box 3709


FAX: (330) 848-8675

G&G Construction429 W. Rhine RoadAkron, OH 44319

TELEPHONE: (330) 644-5600FAX: (330) 644-1032

Geis Construction Company10020 Aurora-Hudson RoadStreetsboro, OH 44241-1621TELEPHONE: (330) 528-3500

FAX: (330) 528-0008

Johns-Eagon Company666 West Waterloo Road


FAX: (330) 745-4833

Warren G Jones Construction Company

327 Divot SpurAkron, OH 44319

TELEPHONE: (330) 896-0321FAX: (330) 896-0320

Thomas Kintz Construction956 South Main Street


FAX: (330) 374-9080

LaFarge North America24500 Center Ridge Road

Westlake, OH 44145TELEPHONE: (216) 835-4045

FAX: (216) 835-5983

LEPPO Equipment176 West Avenue

Tallmadge, OH 44278-0154TELEPHONE: (330) 633-3978

FAX: (330) 633-5085

Medina Glass Block1213 Medina RoadMedina, OH 44256

TELEPHONE: (330) 239-0239FAX: (216) 239-0230

Medina Supply Company230 East Smith RoadMedina, OH 44256

TELEPHONE: (330) 723-3681FAX: (330) 725-4750

Medhurst Mason Contractors17111 Munn Road

Chagrin Falls, OH 44302TELEPHONE: (440) 543-8885

FAX: (440) 543-5029

Morgan Masonry, Inc.417 Myrtle Road

Ravenna, OH 44266TELEPHONE: (330) 296-2349

FAX: (330) 296-6533

Moser Construction4332 Tallmadge Rd, Box 937

Rootstown, OH 44272TELEPHONE: (330) 325-1661

FAX: (330) 325-0365

Dave Phillips Masonry1388 Housely Road

Stow, OH 44224TELEPHONE: (330) 688-4341

W L Tucker Supply Company2800 Second Street

Cuyahoga Falls, OH 44221TELEPHONE: (330) 928-2155

FAX: (330) 928-3688

Waco Scaffolding955 Evans Avenue Akron, OH 44305

TELEPHONE: (330) 633-0417FAX: (216) 633-1168

MEMBERS

The Mason Contractors Associationof Akron and Vicinity

76 East North Street • Akron, OH 44304PH 330.762.9951 • Fax 330.762.9960

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