Is cement board the same as concrete board?

Concrete board, better known as cement board, is typically used as an underlayment material. It’s sold in thin sheets that resemble Sheetrock. Typical sizes are 4 ft by 8 ft by ¼ inch to ½ inch thick. Cement board sheets are made of cement and plant fibers containing cellulose.

What is cement board used for?

The primary purpose of cement boards is to serve as backing for tile and is superior to paper-covered gypsum at this task because of its resistance to water – as tile is typically used in areas prone to water exposure, it is important to have a backing that will not develop mold and mildew or disintegrate after …

Can concrete board get wet?

Most concrete backer-boards on the market today are not water-resistant, but all are waterproof. Since many people confuse the terms, it is a common misconception that this is the best material for use inside a shower or tub area.

What sizes can you get cement board?

Cement board is most commonly sold in 3 x 5-foot sheets and in thicknesses ranging from 1/4 inch to 5/8 inch. A 3 x 5 panel of 1/4-inch cement board weighs about 30 pounds; a 1/2-inch sheet, 36 to 44 pounds. Larger, 4 x 8-foot panels are also available, but their weight makes them hard to manage for DIYers.

Does concrete board need waterproofing?

Although most backerboards currently available won’t fall apart when exposed to moisture and are somewhat water-resistant, they aren’t waterproof. To prevent moisture from seeping through to the wood or metal studs beneath the tile, a barrier or sealant must be used on porous materials.

Is cement board good for outdoor use?

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.

Is cement board better than drywall?

Regular drywall is not appropriate either. 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.

Do I need a special blade to cut cement board?

Use a carbide-tipped wood-cutting blade to minimize dust. Cement is a very hard material, so you’ll need to use a blade that can handle the material. Carbide-tipped wood-cutting blades have fewer teeth than other circular saw blades and the carbide can withstand the strain of the cement.