should i use 1/4 or 1/2 cement board
For flooring typically one uses the 14 board. Ive never seen 14 used in conventionally built houses new construction unless it was double laminated for a radius wall.
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Cement-fiber or similarly reinforced backer board comes in standard 14 inch and 12 inch thicknesses.
. What is the preferred method for laying tile on concrete. After you have decided on the thickness and purchased your cement backer board spread adhesive on both the plywood subfloor and the one side of the cement. 14 will not be strong enough for wall tile.
L360 deflection for a 16 center wall stud is very low under 116. What kind of backerboard are you going to use. 14-inch 12-inch or 58-inch-thick panels are all suitable for countertops.
Cement board attached to plywood or similar underlayment will hold with only 1 14-inch screws. 14-inch 12-inch or 58-inch thick backer board. Just screw the floor down with 1-58 in.
They use 14 drywall. 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. In general 1 12-inch galvanized nails will hold the board firmly in place.
On the other hand 12-inch board can be a real bear to cut and manage at the job site. Dont forget you MUST install the cement board in a bed of fresh thinset - ALL manufacturers require it. If the studs are thick or metal opt for 1 58-inch screws instead.
Cement board seams require mesh tape and thinset. It should be almost unnoticeable if done right. Then check the sag on a 12 board.
Tongue-and-groove material screw the underlayment down right through the vinyl with 1-14-in. Use 58-inch exterior-grade OSB or plywood as a base. 14 USG Durock cement board should not be used for wall or ceiling applications.
If youre installing backer board in new construction attaching it directly to floor joists opt for 12 inch sheets. If it were attached to properly waterproofed drywall plywood or plaster it would be fine. Drill cement board screws through the backer board sheets every 6 to 8 inches.
This is very hard to meet with any backer board. I would mock up a test and then add 100 lbs of weight on your mock up. Just the other day I saw a video featuring someone fastening Hardibacker directly to the subfloor with nothing underneath it.
Secure Backer Board with Screws. No Thinset underneath the backer board. Youll need to use 12.
Women and cats will do as they please and men and dogs should relax and get used to the idea Is cement board better than drywall. This would suggest that anything less is unacceptable for backerboard when tiling walls. 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.
Apply directly to the wall studs or joists with each spaced at a maximum of 16 inches on-center. As long as the subfloor is 34-in. Use 34-inch exterior-grade plywood as a base.
Vinyl flooring glued over 14-in. Position the screws at least 12-inch but no more than 2 inches from the edge of the sheet. It depends on how high you want to raise your floor.
Fiber cement board is available in 14-inch and 12-inch thicknesses. Manufacturers require 12-inch and 58-inch board on walls for structural reasons. 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.
14 hardibacker alone is an unsuitable substrate for shower wall tile. Thick cement board instead of the usual 12-in. That way the difference will only be 18.
12 is used generally for walls. Would it be okay to use 14 if we put extra 2x4s in the wall. One thing that do-it-yourselfers should consider is the difference in manageability between 12-inch and 14-inch cement board.
Youd need about ¾-inch of screw thread to screw into a 2 x 4. If youre installing backer board over an existing subfloor 14 inch is sufficient. Drive the screws in so that the heads are slightly below the surface of the backer board sheet.
TECHNICAL DATA Property ASTM Test Reference 14 Value Flexural strength C947 1000 psi Indention strength D2394 1250 psi Weight C473. The 14-inch-thick board is typically used on floors and countertops. Drywall screws spaced every 6 in.
You can cut the cement board with a utility knife and a T-square. Either can be used on floors but only 12 can be used on walls. Should i use 14 or 12 cement board Tuesday April 5 2022 If it were attached to properly waterproofed drywall plywood or plaster it would be fine.
The board should not flex inward more than 14 between 16 on center walls studs. If so how close would they need to be. BuilderGCRemodeler Joined May 11 2006 7556 Posts 7 Feb 24 2008 Edited Use 12 Cement board in your shower wall area.
12-inch or 58-inch thick backer board. For wall or ceiling applications use 12 or 58 USG Durock cement board. While some experts suggest using 2-inch screws this may be overkill depending.
For thick or heavy metal fixtures use 1 58-inch screws. Laying a cement board under a tile. Durock 14 is made for floors.
For flooring or wall installation some builders choose to apply a thin layer of thinset mortar under the cement. When using a cement backer board you can go with whether a ½ inch thickness or a ¼ inch thickness. Drywall screws spaced every 6 in.
Click to see full answer. James Hardie Hardiebacker 3 Ft X 5 Ft X 1 4 In Cement Backerboard 220022 The Home Depot Fiber Cement Hardie Diy Fireplace Click to see full answer. For example 14-inch board weighs less is easier to affix to the substrate with either screws or nails and is easier to cut.
The use of cement boards in interior walls is subject to restrictions. 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. The product does nothing to add strength to the floor so only use the 12 if the additional height is needed.
If it is indeed 14 couldnt he shim out the studs use 12 wonder board and then end the tile with bullnose the end pieces that step down 12 Upvote 7 05-20-11 0100 PM H HeresJohnny Member. Think about it one wayward elbow knee or hip bump and you may get flexion which would cause the grout or tile to crack. Tear the shims out.
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. It does suggest that 14-inch cement backerboards are generally useful for the underlayment of tiled floors.
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