should i use 1/4 or 1/2 cement board
If you want to be really safe you can go 1 subfloor plus 12 backer and this would be OK for 98 of the homes built in the late 70s assuming they met building codes then. Is it okay to use 14 thick cement board as a backer or is 12 preferred.
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Still have a transition step with thinset plus tile.
. Position the screws at least 12-inch but no more than 2 inches from the edge of the sheet. 14 hardibacker alone is an unsuitable substrate for shower wall tile. Both 14- and12-inch cement board are appropriate for floors.
Video of the Day Walls Restrictions apply to cement board wall usage. So for example when installing 12 boards up against the stud you should use a minimum 1-14 length fastener. If the studs are thick or metal opt for 1 58-inch screws instead.
For wall or ceiling applications use 12 or 58 USG Durock cement board. Vinyl flooring glued over 14-in. Cement Board Thickness Cement backer board comes in two standard thicknesses.
Suggested spacing is 8 OC for walls and 6OC for ceilings. On top of that fiber cement board is even more brittle than standard cement board so you have to be extra careful to keep screws at least an inch from the edge to avoid breaking the board. Either can be used on floors but only 12 can be used on walls.
14 Durock cement board should not be used for wall or ceiling applications. Manufacturer spec sheets usually provide all necessary information. Drive the screws in so that the heads are slightly below the surface of the backer board sheet.
By the way the. If it were attached to properly waterproofed drywall plywood or plaster it would be fine. They also require a 34-inch subfloor where tile size exceeds 12 inches.
If you have 38 sheetrock use 12 cement board and feather out the joint to approx 10 to 12. Use 12-inch or 58-inch-thick cement board not 14-inch. Secure Backer Board with Screws.
But this doesnt help your transition issue. The use of cement boards in interior walls is subject to restrictions. Cement boards that some in sheets.
This provides optimum strength and safety margin if electrical wiring runs through the wall studs. Thick cement board instead of the usual 12-in. With this in mind you should use 1 ¼-inch screws for ½ inch cement board that is attached to wood framing or a similar material.
Do-it-yourselfers can use either 12- or 14-inch cement board in certain applications while other scenarios mandate 12-inch board. If you have 38 sheetrock use 12 cement board and feather out the joint to approx 10 to. Im attempting to match the height of the adjacent 34 thick hardwood floor.
The 14-inch-thick board is typically used on floors and countertops. Click to see full answer. As long as the subfloor is 34-in.
Fiber cement board is available in 14-inch and 12-inch thicknesses. Only 14-inch cement board can be used on walls if there is a minimum of 58-inch exterior-grade plywood sheathing or an Oriented Strand Board OSB subfloor. If so how close would they need to be.
Think about it one wayward elbow knee or hip bump and you may get flexion which. Before You Begin You will need to cut your cement board to various sizes to suit your project and knowing how before you start your project can keep you from making costly errors. Tongue-and-groove material screw the underlayment down right through the vinyl with 1-14-in.
12 cement board for shower walls weedyacres 13 years ago I know 12 cement board is the spec for shower walls due to the deflection of 14 Hardibacker. 14 Durock cement board should not be used for wall or ceiling applications. Though in general 1 ½-inch galvanized nails.
Dont forget you MUST install the cement board in a bed of fresh thinset - ALL manufacturers require it. Drill screws through the backerboard sheets every 6 to 8 inches. Durock 14 is made for floors.
Is it OK to use 14 AND 12 cement board together to make up the 34 difference in elevation. This would suggest that anything less is unacceptable for backerboard when tiling walls. Drywall screws spaced every 6 in.
To install cement board on floors cement board manufacturers mandate a 58-inch plywood subfloor or OSB underlayment. For wall or ceiling applications use 12 or 58 Durock cement board. Drill cement board screws through the backer board sheets every 6 to 8 inches.
Do you need a vapor barrier behind cement board. It does suggest that 14-inch cement backerboards are generally useful for the underlayment of tiled floors. How long should cement board screws be.
14-inch 12-inch or 58-inch-thick panels are all suitable for countertops. Manufacturers require 12-inch and 58-inch board on walls for structural reasons. For wall or ceiling applications use 12 or 58 Durock cement board.
Cement backer board comes in two standard thicknesses 12 inch and 14 inch. 14 USG Durock cement board should not be used for wall or ceiling applications. It should be almost unnoticeable if done right.
Cement board attached to plywood or similar underlayment will hold with only 1 14-inch screws. Would it be okay to use 14 if we put extra 2x4s in the wall. For flooring or wall installation some builders choose to apply a thin layer of thinset mortar under the cement.
Im installing 1x2 38 thick slate tile in my 6 x 8 mud room. You could lose maybe 14 by putting a membrane in. In general 1 12-inch galvanized nails will hold the board firmly in place.
One board installed vertically on each end of the tub and two boards installed horizontally across the back of the tub. If it is OK do I use thinset and the appropriate screws to attach the first layer of cement board to the plywood and then another thin layer of thinset and screws to attach the 2nd layer of cement board to the first. You can cut the cement board with a utility knife and a T-square.
Subsequently one may also ask can you use 14 inch cement board on floors. While some experts suggest using 2-inch screws this may be overkill depending on the application. For thick or heavy metal fixtures use 1 58-inch screws.
TECHNICAL DATA Property ASTM Test Reference 14 Value Flexural strength C947 1000 psi Indention strength D2394 1250 psi Weight C473. The extra thickness is needed to span the studs and provide a solid base for the tile. Cement board manufacturers spell out the specifications and proper areas of use for 12- and 14-inch cement board.
The industry standard is to use 12-inch-thick backer board on wall tile installations such as a tub surround.
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