Specification

ManualsBrandsUSG Durock Brand ManualsBuilding materials1/4 in. x 3 ft. x 5 ft. Cement Board with EdgeGuard

SUBMITTAL SHEET

USG

Tile &

Flooring

Solutions

DESCRIPTION

PRODUCT DATA

SIZES AND PACKAGING

STANDARDS

AVAILABILITY

COMPOSITION AND MATERIALS

USG DUROCK

BRAND

CEMENT BOARD WITH

EDGEGUARD

™

Backerboard for tile and exterior ﬁnish systems

• Enhanced proprietary edge performance prevents spinout and crumbling

• Easy to cut and fasten

• Water durable and mold resistant

• Warranted for interior and exterior applications

• Exceptional tile bond

• Noncombustible

USG Durock® Brand Cement Board with EdgeGuard™ oers architects, builders and tile contractors

a strong, water-durable tile base for tub and shower areas. Also an ideal underlayment for tile on

ﬂoors and countertops in new construction and remodeling. Board is readily applied over wood

or steel framing spaced 16 in. (406 mm) o.c. with corrosion-resistant wood screws, steel screws or

hot-dipped galvanized rooﬁng nails. After joints are treated, wall or ﬂoor tile is applied using latex-

fortiﬁed mortar or Type I organic adhesive.

USG Durock® Brand Cement Board with EdgeGuard is preferred by many applicators as a base for

directly applied ﬁnishes, tile, stone and thin brick used in building exteriors.

The 1/2 in. (12.7 mm) and 5/8 in. (15.9 mm) panels are Underwriters Laboratories Inc. (UL)

Classiﬁed for ﬁre resistance, and may be used in any UL Design where Type DCB panels are listed.

Size (thickness x width x length)

Units (pcs)

1/4 in. x 3 ft. x 5 ft. (6.4 mm x 915 mm x 1525 mm) 60

1/2 in. x 32 in. x 5 ft. (12.7 mm x 813 mm x 1525 mm) 50

1/2 in. x 3 ft. x 5 ft. (12.7 mm x 915 mm x 1525 mm) 50

1/2 in. x 4 ft. x 8 ft. (12.7 mm x 1220 mm x 2440 mm) 40

5/8 in. x 3 ft. x 5 ft. (15.9 mm x 915 mm x 1525 mm) 40

5/8 in. x 4 ft. x 8 ft. (15.9 mm x 1220 mm x 2440 mm) 32

1. Other lengths available. Contact your USG Sales Representative.

2. Shipped in packaging units as shown.

USG Durock® Brand Cement Board with EdgeGuard exceeds ANSI standards for cementitious backer

units (CBU). See ANSI A118.9 for test methods and speciﬁcations for CBU and ANSI A108.11 for

interior installation of CBU. Exceeds industry standards as an exterior substrate for exterior ﬁnishes.

Exceeds ASTM C1325 standards for nonasbestos ﬁber-mat reinforced cementitious backer units.

USG Durock® Brand Cement Board with EdgeGuard is distributed throughout the United States.

Contact a USG sales oce or sales person for additional information.

USG Durock® Brand Cement Board with EdgeGuard is formed in a continuous process of

aggregated portland cement slurry with polymer-coated, glass-ﬁber mesh completely

encompassing edges, back and front surfaces. The edges are formed smooth with a patented

poly-propylene fabric-wrapped edge. The ends are square cut.

Summary of content (4 pages)

PAGE 1
USG Tile & Flooring Solutions SUBMITTAL SHEET USG DUROCK® BRAND CEMENT BOARD WITH EDGEGUARD™ Backerboard for tile and exterior finish systems • • • • • • DESCRIPTION Enhanced proprietary edge performance prevents spinout and crumbling Easy to cut and fasten Water durable and mold resistant Warranted for interior and exterior applications Exceptional tile bond Noncombustible USG Durock® Brand Cement Board with EdgeGuard™ offers architects, builders and tile contractors a strong, water-durable tile base
PAGE 2
DEILIVERY AND STORAGE OF MATERIALS ENVIRONMENTAL CONDITIONS All materials should be delivered and stored in their original unopened package and stored in an enclosed shelter providing protection from damage and exposure to the elements. Even though the stability and durability of USG Durock® Brand Cement Board with EdgeGuard is unaffected by the elements, moisture and temperature variations may have an effect on the bonding effectiveness of basecoats and adhesives.
PAGE 3
INSTALLATION CONT. D. Cement board should be cut to size with a knife and straight edge. A power saw should be used only if it is equipped with a dust-collection device. Installer should wear NIOSH/MSHAapproved dust mask. E. If waterproofing is desired, use USG Durock™ Brand Waterproofing Membrane or USG Durock™ Brand Liquid Waterproofing Membrane.
PAGE 4
TECHNICAL DATA Property Unit of Measure ASTM Test Method 5/8 in. (15.9 mm) USG Durock® Brand Cement Board with EdgeGuard™ 1/2 in. (12.7 mm) USG Durock® Brand Cement Board with EdgeGuard™ 1/4 in. (6.4 mm) USG Durock® Brand Cement Board with EdgeGuard™ Underlayment Flexural strength psi (MPa) C947 > 480 > 750 > 1000 (6.9) Indentation strength psi (MPa) D2394 > 1250 > 1250 > 1250 (8.6) Shear bond strength psi ANSI A118.4 > 50 > 50 > 50 Water absorption % by wt. 24 hrs.