should i use 1/4 or 1/2 cement board
Would it be okay to use 14 if we put extra 2x4s in the wall. What thickness cement board should I use.
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If you have a piece of cement board and a piece of plywood both of the same size then you can expect the cement board to weigh between 100 and 150 more than the plywood.
. The first and foremost task before you get started is to locate the wall studs. Cement Board Thickness Cement backer board comes in two standard thicknesses 12 inch and 14 inch. Position the screws at least 12-inch but no more than 2 inches from the edge of the sheet.
Embed the cement board and screw it to the underlayment with special 1-14 in. Use the thin board under the thick tile and the thick board under the thin. You could lose maybe 14 by putting a membrane.
When to use 12. Durock 14 is made for floors. 12 cement board for shower walls weedyacres 14 years ago I know 12 cement board is the spec for shower walls due to the deflection of 14 Hardibacker.
BuilderGCRemodeler Joined May 11 2006 7556 Posts 7 Feb 24 2008 Edited Use 12 Cement board in your shower wall area. Either can be used on floors but only 12 can be used on walls. One thing that do-it-yourselfers should consider is the difference in manageability between 12-inch and 14-inch cement board.
Drill cement board screws through the backer board sheets every 6 to 8 inches. Dont forget you MUST install the cement board in a bed of fresh thinset -. 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.
With this in mind you should use 1 ¼-inch screws for ½ inch cement board that. While some experts suggest using 2-inch screws this may be overkill depending. Cement board attached to plywood or similar underlayment will hold with only 1 14-inch screws.
Especially if its a wall. For flooring or wall installation some builders choose to apply a thin layer of thinset mortar under the cement. They use 14 drywall.
Locate the Wall Studs. 14 hardibacker alone is an unsuitable substrate for shower wall tile. If so how close would they need to be.
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. In general 1 12-inch galvanized nails will hold the board firmly in place. If it were attached to properly waterproofed drywall plywood or plaster it would be fine.
What kind of backerboard are you going to use. If the studs are thick or metal opt for 1 58-inch screws instead. Video of the Day Walls Restrictions apply to cement board wall usage.
Thats why youve to. Youll need to use 12. This is very hard to meet with any backer board.
14-inch 12-inch or 58-inch thick backer board. The industry standard is to use 12-inch-thick backer board on wall tile installations such as a tub surround. 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.
This is why if you screw cement boards on drywall its likely to break down. That way the difference will only be 18. Then check the sag on a 12 board.
Do-it-yourselfers can use either 12- or 14-inch cement board in certain applications while other scenarios mandate 12-inch board. But this doesnt help your transition issue. What is the preferred method for laying tile on.
Drive the screws in so that the heads are slightly below the surface of the backer board sheet. Think about it one wayward elbow knee or hip bump and you may get flexion which would cause the grout or tile to crack. Drywalls are weaker and cant bear too much weight.
Secure Backer Board with Screws. For thick or heavy metal fixtures use 1 58-inch screws. 14 will not be strong enough for wall tile.
For example on an installation where one floor covered with thin ceramic tile meets another tiled with thicker tiles. Tear the shims out. Cement board manufacturers spell out the specifications and proper areas of use for 12- and 14-inch cement board.
L360 deflection for a 16 center wall stud is very low under 116. Youd need about ¾-inch of screw thread to screw into a 2 x 4. Ive never seen 14 used in conventionally built houses new construction unless it was double laminated for a radius wall.
I would mock up a test and then add 100 lbs of weight on your mock up. The board should not flex inward more than 14 between 16 on center walls studs. The cement board is the much heavier of the two.
Yes it is that heavy and this means that it usually always takes two people to move lift and install it. The only reason to use one size over the other is if one thickness will work better than the other.
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