Hardened Backings

BASIC CoMPoSItIon

90% Portland cement and sand with selected additives. Contains no asbestos, gypsum, glass fibers or formaldehyde. 1/4" Hardibacker cement board: Sheet sizes: 4' x 4' and 4' x 8' Thickness: 1/4" Weight: 1.9 lbs. psf (9.3 kg/m2) Complies with ASTM C1288 & ANSI A118.9

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RECognItIonS

Hardibacker cement board is recognized as an interior substrate according to the following:

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1/4" Hardibacker EZ grid cement board: Sheet sizes: 3' x 5' Thickness: 1/4" Weight: 1.9 lbs. psf (9.3 kg/m2) Complies with ASTM C1288 & ANSI A118.9

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• International Code Council Evaluation Service Legacy Report NER-405 • City of Los Angeles Research Report No. 24862 • HUD Materials Release Nos. 1263c and 1268c • City of New York MEA No. 223-93M • CCMC Evaluation Report 12678-R • 2005 Tile Council of America Handbook for Ceramic Tile Installation • Quality Control Agency: Intertek Testing Services – IASI AA-647 Consult these documents for additional information concerning conditions for use in applicable jurisdictions. *Cementitious Backer unit/FiberCement underlayment Flexural Strength Flexural Strength at Equilibrium Moisture Control Content (ASTM C1185) 1/4" Hardibacker and 1/4" Hardibacker EZ Grid cement board: 2100 psi (14 MPa) 1/2" Hardibacker cement board: 1700 psi (12 MPa) Compressive Strength Compressive Strength at Equilibrium Moisture Content (ASTM D2394) 1/4" Hardibacker and 1/4" Hardibacker EZ Grid cement board: 7000 psi (48 MPa) 1/2" Hardibacker cement board: 6500 psi (45 MPa)

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thermal Values (ASTM C177) 1/4" Hardibacker and 1/4" Hardibacker EZ Grid cement board Thermal Conductivity: k-value 7.80 Btu/ft x h x °F

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1/2" Hardibacker cement board Thermal Conductivity: k-value 20.07 Btu/hr-ft - °F

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1/4" Hardibacker and 1/4" Hardibacker EZ Grid cement board Thermal Resistance: R-value 0.13 ft x h x °F/Btu

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1/2" Hardibacker cement board Thermal Resistance: R-value 0.05 hr-ft - °F/Btu

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VInyL And otHER FLooRIng (Cont.)

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