Sprokitz wrote: From Durock install instructions that fit this exterior install….. Many professional installers even recommend against using water- or mold-resistant drywall in high-moisture areas.
In sharp contrast, cement backer board does not rot, warp, grow mold, or deteriorate when subjected to water. James Hardie HardieBacker Cement Board with HydroDefense Technology is a waterproof cement backerboard designed for use on walls, floors and countertops. Use on walls in moisture prone areas, as a tile backerboard and as an underlayment for all tile, vinyl and wood flooring applications.
Type S mortar is ideal for use in outdoor situations in which a veneer is applied to concrete board. Its water-repellent qualities are better than those of type N mortar, meaning that it is less susceptible to freezing and thawing cracks that may appear after several years with type N mortar. If you wish to install your thin brick veneers on a wall that is constructed from plywood, a water-resistant surface must be placed over the original framework to prevent moisture build-up and mold from rotting out the walls.
This is the case when you do want to install the cement backer boards over the wooden surface. Unlike regular stone, you can apply stone veneer directly to most surfaces including drywall, concrete or brick.
Faux stone veneer can be used indoors, and stone veneer siding is available for outdoor surfaces. A carbide-tipped scoring knife is recommended, but you can also use a utility knife or shears. Never use a high-speed grinder to cut cement board indoors, since this can create a dust hazard. The issue is corrosion from the cement products. Be sure to figure the height of your tile backer board to be a minimum of 6 feet above the shower floor. The better approach here is to use high-grade concrete with better resistance to water and moisture buildup.
Pro Tip: Make sure you get in touch with your cement board manufacturer to see if the fixture is still under warranty. Most cement board manufacturers have a to year warranty on their products. Cutting cement boards is far different from slicing gypsum paper. Firstly, cement boards are much harder. We suggest using blades with four to six teeth.
Secondly, cement boards are extremely messy. A good workaround here is to use power saw tools with a dust-collecting system. To resolve this issue, set up a vapor and moisture barrier. Moisture barrier prevents outside water from seeping through the tiles and cement board, while vapor barriers prevent vapor from penetrating the sub-surface. Do not confuse vapor barriers with moisture barriers. Too many people use these terms interchangeably.
However, they have different meanings, purposes, and installation instructions. Mixing them will compromise the stability of your cement board. For flooring installations, on the other hand, try installing a thin-set adhesive mortar underneath the tiles and cement board—this should apply to both indoor and outdoor projects.
A common mistake DIY first-timers commit is ignoring the proper parts of their cement boards. Alternatively, face the rough side toward the subsurface if you have latex mastics such as a vapor or moisture barrier. Cement boards should not be confused with gypsum core backer boards. Gypsum core backer boards are affected by water and should not be used on wet exposure areas.
Answer: Gypsum board , because the gypsum board density is low, so the sound insulation is better. However, the cement board is also possible sound insulation is very good , such as foam cement , its density is smaller than the plaster, sound insulation is also better. Cement backerboard is more stable than plywood in high humidity and other wet environments. It won't swell and buckle the way that plywood does, so it's safe to use in mudrooms and bathrooms where things like spills and puddles are normal, as well as in areas with high levels of moisture in the air.
Whereas drywall comes in 4-by-8 sheets, cement board comes in 3-by-5 sheets. Drywall panels fit between wall studs spaced 16 inches or 24 inches apart. The extra thickness is needed to span the studs and provide a solid base for the tile.
It also has an extremely low permeability rating, making it ideal for wet areas, including continuous-use steam showers. Can I use HardieBacker cement board in an exterior application?
HardieBacker cement board may be used in some exterior applications, download the installation guide for more details. Actually, Francis, it is not. You still have to browncoat the board and then apply the finish coat, you are just using the board as a premade scratchcoat.
Around cement backer board was invented, and this new product enabled the installation of tile over plywood substrates once again. Can you use cement board outside? I lined the trench with landscape fabric so the gravel does not get contaminated with soil also. Did you have to do anything special for the cut ends as to seal them , or it was fine and not necessary. This topic has 18 replies, 5 voices, and was last updated 1 year, 4 months ago by Boschmanbrian.
Viewing 19 posts - 1 through 19 of 19 total. April 13, at pm JimDaddyO Pro. Thanks guys. I don't do a slow job. I do a half fast job. JimDaddyO wrote:.
Sprokitz Pro. From Durock install instructions that fit this exterior install….. Sprokitz wrote:. Doobie Moderator.
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