A combustible floor must be protected by a non-combustible material (like tile, concrete board, or certified to UL-1618 or as defined by local codes) extending beneath the heater and a minimum of 6″ from each side and minimum 16″ from the front face of the stove and minimum 6″ (or the rear clearance to combustibles …

Can you use cement board around a wood stove?

Safe wood stove installations require a heat shield that will prevent heat from the wood stove from creating a fire hazard in the building materials that form the exterior wall. Hardi cement board is an inexpensive solution that will form the foundation of an effective heat shield for any application.

What material do you put behind a wood burning stove?





A common way to help protect the wall behind a wood stove and create a backdrop for your stove includes using masonry veneer faux panels. Stone or brick is a common material to use behind a wood burning stove. These panels help create more of a focal point for a room.

Can cement board be used around a fireplace?

Yes, HardieBacker┬« 1/4″ Cement Board is deemed noncombustible when tested to ASTM E 136 and can be used in conjunction with other noncombustible materials around a fireplace.

Is cement board considered porous?

Cement backer board, also called a cementitious backer unit or CBU, is commonly used to form a base for ceramic tile. Because cement backer board is porous, thin-set, grout, and mortar adhere well to it.

What is the fire rating for cement board?

A Durock panel with a thickness of 1/2 or 5/8 inch can provide two hours of fire protection when installed correctly and in conjunction with all fireproofing construction materials.

How far should a wood stove be from a cement board wall?





A combustible floor must be protected by a non-combustible material (like tile, concrete board, or certified to UL-1618 or as defined by local codes) extending beneath the heater and a minimum of 6″ from each side and minimum 16″ from the front face of the stove and minimum 6″ (or the rear clearance to combustibles

What do you put under and behind a wood stove?

Heat shields are a type of heat-resistant board placed behind a wood-burning stove or other heating appliance. They are necessary for protecting your walls and floors from damage and decreasing the risk of fire.

What can be used as a heat shield?

What can be used as a heat shield? Heat shields can be made from a number of different materials. These include brick, stone, tile or vitreous enamel. What’s important to bear in mind, however, is that the heat shield is fitted with an air gap between it and the wall surface behind it.

What is considered a non combustible wall?

Non-combustible materials are building materials that do not burn or ignite when subjected to expected levels of fire or heat. Examples of non-combustible materials include brick masonry, concrete blocks, hardy backer board, calcium silicate board, cement board, metal, and certain types of glass.

Can I use cement board instead of plywood?



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.

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.

What is better cement board or backer board?

Backer board helps ensure a durable, long-lasting tiling job. It helps prevent cracks in the tile and grout due to moisture, humidity and temperature. Cement backer board is sturdy, waterproof, and an ideal substrate for any tiling job, inside or outside.

What’s the difference between Hardie board and cement board?



HardieBacker is much more light, and it is also the best selling brand of cement board available. It is much cleaner because it does not have any glass in it. It allows for a smooth job with minimal mess. As a bonus, HardieBacker board has an EZ Grid pattern so you can cut perfect lines.

Do you need waterproof membrane on cement board?

First, you should provide a waterproof/resistant membrane against the wood studs before installing the concrete backer-board to protect the wood studs from moisture absorbed through the backer-board.

Is durock the same as cement board?

Durock and Hardiebacker are two different brands of cement backer boards used in rooms that are susceptible to moisture buildup.

Do you need vapor barrier behind cement board?

If it’s a cement board, you need a vapor barrier, because cement retains moisture, which means the wood next to it is always damp.

Does it matter which side of cement board faces out?



No, it doesn’t matter. Regardless of which side faces out during installation, you can expect the same great performance that has made USG Durock┬« Brand Cement Board the preferred choice of professionals and do-it-yourselfers for decades.

What is the difference between cement board and WonderBoard?

Particularly for experienced contractors that may be used to cement backerboards, WonderBoard is a clear choice. Unlike other cement backerboards, WonderBoard is not completely stiff. It is flexible, making it a good choice for curved surfaces. WonderBoard is also safer for wet areas than HardieBacker.

Is WonderBoard fire rated?

Fire Performance: WonderBoard® has achieved a fire resistance rating for cementitious backer units per ANSI/UL 263 and CAN/ULC S101, Report No. 21766. Flexural Strength ASTM C-947 > 750 psi 900 psi (62.9 kg/cm sq.)

Is WonderBoard better than durock?

Wonderboard is heavier than Durock (although the Lite version is 20% lighter), which has made them a bit difficult to install, whether it’s any home improvement projects or commercial. So, if you want to bypass the hassle of installation, we’d say you better go with Durock.