USG Corporation remains a leading manufacturer of ceiling, wall, backerboard, underlyament, gypsum, roofing, sheathing, and industrial products.

September 7, 2011 - A Durock panel with a thickness of 1/2 or 5/8 inch can provide two hours of fire protection when installed correctly and in conjunction with all fireproofing construction materials.

Find products meeting construction specifications, get datasheets, do submittals, and get building material price quotes, RFQs, from local suppliers.

Durock Cement Board has excellent fire-resistant properties, making it a reliable choice for construction projects that require fire protection.

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

February 20, 2025 - Ask a question or read what others have asked for USG Durock Brand 1/2 in. x 4 ft. x 8 ft. Cement Board with EdgeGuard.

USG Durock® Brand Cement Board ... exteriors. The 12.7 mm and 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...

August 1, 2025 - Builders can search by assembly type, fire rating hours, and other things. This helps them pick the right system for their job. USG Durock® Brand Cement Board with EdgeGuard™ is UL Classified. It is approved for any UL Design that lists Type DCB panels. The table below shows common 1-hour and 2-...

I can tell you that Durock, as I understand it, is not a fire rated material because it has Styrofoam beads in it. Somebody correct me if I'm wrong. I tried. Here I will try again: Fire-Resistance – Noncombustible panel – Assemblies with 1/2" DUROCK cement board have achieved 1- and 2-hour ...

November 19, 2024 - When constructing or renovating fireplace surrounds, a non-combustible substrate is required to: ... Lightweight cement boards can withstand repeated heating and cooling without cracking. If finishing with paint, always use high-temperature-rated coatings. Each product has slightly different mineral compositions: Durock ✅ Widely approved in UL fire assemblies ✅ Common for non-combustible walls

The 12.7 mm (1/2 in.) and 15.9 mm (5/8 in.) panels are Underwriters Laboratories Inc. (cUL) Classified · for fire resistance and can be used in any UL Design in which Type DCB panels are listed. ... See ANSI A118.9 for test methods and specifications for CBU and ANSI A108.11 for interior ...

Get free shipping on qualified USG Durock Brand, Fire Resistant products or Buy Online Pick Up in Store today.

Cement Board with EdgeGuard 1/2-Inch. x 36 inch x 5 ft.Durock Brand Cement Board with EdgeGuard(TM) offers enhanced, proprietary edge performance, preventing spinout and crumbling. This mold resistant tile backer makes it the perfect choice for tile and flooring in baths, kitchens and laundry rooms in new construction and remodelling.

March 8, 2024 - The thickness of the board, accompanied by other materials, also plays a role in settling how fire-resistant the setup will be. Assemblies with 1/2-inch cement board alone can offer 1 to 2 hours of fire resistance.

December 15, 2010 - Bottom line, I wouid not use the gray cement board if you are doing something similar. Stay with the lighter backer board (found in Lowes). ... Englander 30NC 1/7/12 Huskee 28 Ton Husky 346XP 16" Husky 576XP 20" and 28" bars Poulan Wild Thing (on it's last legs?) Kubota L3200 Lots-a-oak and cold baseboard heaters! Firewood Hoarders Club, LTD... woodpile PSYCHO ... That's bizarre. My redneck not so temporary hearthback is Durock and I have never smelled it. Must be because I used 1/2 inch.

August 8, 2018 - Can you recommend various materials I can use to cover XPS with above characteristics so I can install it in a ‘wet’ area indoors as wall panel or ceiling panel? ... Don J., Cement backerboard can be used in 1-hour fire-rated assemblies. Here are some links to documents that provide examples: ...

Screws or 1-1/2" galvanized roofing nails at 8" o.c. both · directions and with 3/4" minimum flooring penetration. 3. Prefill joints with latex-fortified Portland cement mortar · and then immediately embed tape and level the joints. As an alternative, apply DUROCK Tape over the joints and

"Durock™ Brand Glass-Mat Tile Backerboard is a 12.7 mm (1/2 in.) or 15.9 mm (5/8 in.) water-resistant, easy to use panel for walls, floors, and ceilings. Durock™ Brand Glass-Mat Tile Backerboard consists of a treated water-resistant gypsum core that is covered with a coated fiberglass mat facer and back and has a proprietary surface making it ideal for use in wet areas as a tile substrate. Durock™ Brand Glass-Mat Tile Backerboard combines the tile bond of cement board with the handling and ease of use of a Sheetrock® Brand panel.