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USG Durock Brand cement board with EdgeGuard offers 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.
What is the purpose of durock?
Durock® Brand Cement Board with EdgeGuard™ offers architects, builders and tile contractors a strong, water-durable tile backerboard for floors, walls, countertops, tub, shower areas and exterior finish systems.
What’s the difference between durock and Hardibacker?
Durock is a reliable cement product that contains glass mesh. It is the heavier of the two materials, which means it is more difficult to use and maneuver. HardieBacker is much more light, and it is also the best selling brand of cement board available. It is much cleaner because it does not have any glass in it.
Can I use durock in a shower?
Installing cement backerboard is one of the more popular choices for a shower wall substrate. Cement backerboards include Hardiebacker, Durock, Fiberboard, wonderboard, and similar products. When installed properly they will give you many, many years of durable shower construction.
What goes under durock?
Subfloor should be minimum 5/8″ APA span-rated plywood or OSB with an Exposure 1 classification or better. Minimum 3/4″ APA span- rated plywood or OSB with an Exposure 1 classification or better. Cover base with USG Durock™ Brand Tile Membrane, 15 lb. felt or 4-mil polyethylene and attach with 1/4″ galvanized staples.
Is durock the same as cement board?
Durock and Hardiebacker are two different brands of cement backer boards used in rooms that are susceptible to moisture buildup. While both of these brands offer products that are highly raved about by users, each brand does have their own features that set them apart from each other.
Is cement board stronger than plywood?
If you compare the two configurations using identical thinset mortars, tiles installed over cement backerboard have greater shear-bond strength than those that are installed over plywood.
Is Durock waterproof?
Even though water will not affect USG Durock® Cement Board with EdgeGuard, the board alone is not waterproof. If waterproofing is desired, apply a waterproofing membrane such as USG Durock™ Waterproofing Membrane or USG Durock™ Liquid Waterproofing and Crack Isolation Membrane over the cement board.
Can you Durock 1/4 walls?
3 Answers. 1/4″ hardibacker alone is an unsuitable substrate for shower wall tile. If it were attached to properly waterproofed drywall, plywood, or plaster it would be fine. Think about it, one wayward elbow, knee, or hip bump and you may get flexion which would cause the grout (or tile) to crack.
Does Durock expand?
EDIT: Durock will not absorb moisture, thus no appreciable expansion/contraction.
Is durock good for the bathroom?
Cement board is sometimes called Durock, Wonderboard, and Hardibacker. It is used for wet applications in tubs walls, shower walls, and floors. It’s a cement based product with a mesh glass underlayment in it which makes it waterproof and very durable.
Do you need put plastic behind cement board shower?
plastic behind cement board with waterproofing is essentially suspenders when you already have a belt. the waterproofing is also a vapor retarder so if the red guard or kerdi product is continuous, lapping corners and all, the plastic will be unnecessary.
Is thinset required under Durock?
However, many manufacturers including, both Durock and Hardiebacker not only recommend that you use thinset under their backerboard, but they specify it and will void the warranty on their product if it’s not used. Thinset is going to create a solid surface under tile and prevent flexing that could lead to cracking.
Can you tile directly over Durock?
There is no need to install backer board on a concrete substrate—ceramic tile can be applied right over concrete, provided the surface is flat, smooth, and free of significant cracks.
How far apart are screws in Durock?
Fasten panels to subfloor while the adhesive is wet with 32 mm (1-1/4″) CGC Durock Wood Screws or 38 mm (1-1/2″) hot-dipped galvanized roofing nails spaced 203 mm (8″) o.c. in both directions.
What is better cement board or backer board?
Cement board is the most common and widely-known backer board. On the downside, the cement boards are heavy, somewhat difficult to cut and can leave abrasive sandy crumbs that can damage tubs and shower bases if you’re not careful. Cement board is a good, reliable backer board that works well on both floors and walls.
What is the best way to cut Durock?
To cut DUROCK Brand Cement Board, mark desired size on the board with a rule and pencil. Score both sides and edges with a utility knife through the glass-fiber mesh, and snap the board to size. Smooth cut edges with wood rasp.
Is Durock fireproof?
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.
Can you use cement board for subfloor?
Cement board can be installed over a plywood subfloor using an appropriate construction adhesive and screws for a quicker project that’s less messy than taping and mudding.
Can cement board be used outside?
Made with Portland cement, aggregate and fiberglass mesh, it works well with exterior applications. Lightweight and easy to install, our patented EdgeTech® Technology allows a closer nail or screw application.
Does cement board add strength?
Cement backer board does NOT add rigidity. By removing the top 1/2″ plywood, the installer will be weakening the flooring system. The deflection rating of the subfloor construction (5/8″ plywood over wood joists) may not be rigid enough to handle the removal of the extra 1/2″ plywood.
