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is hardibacker fire rated

by Mr. Loy Abbott II Published 3 years ago Updated 3 years ago

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.

Full Answer

Is hardibacker fire-resistant?

Hardibacker supported by other non-flammable exterior and interior materials provides a fireproof interference. Hardibacker itself can also withstand heavy fires for hours without any support. But, mixing with combustible and flammable objects can create a hindrance to their fire-resistance feature.

Is Hardie backer board fire rated?

HardieBacker® 12mm cement backerboard is fire rated class A1, meaning the product is non-combustible. HardieBacker® 12mm cement backerboard is CE approved and BBA certified since May 2004. Hardiebacker say it is fine for up to 100 degrees centigrade (it will not set on fire but can crack).

Are hardibacker cement boards fireproof?

In the case of the cement boards engaged for the foundation of buildings, the question goes, is hardibacker fireproof? Hardibacker supported by other non-flammable exterior and interior materials provides a fireproof interference. Hardibacker itself can also withstand heavy fires for hours without any support.

What temperature does hardibacker burn?

That brings a safety temperature scale up to 1500° Fahrenheit, without exceeding which hardibacker can never burn. This is because they provide fire safety to the houses and buildings at this same temperature level during any fire accident. Is Hardibacker board fire resistant?

What is a hardiebacker?

What thickness is a Hardiebacker board?

Can you use Hardiebacker board around a fireplace?

What is the fire rating on Hardie board?

James Hardie Building Products Ltd. James Hardie Building Products Ltd. HardiePlank® is a fire resistant cladding board carrying A2 and s1-d0 fire ratings.

Can I use Hardibacker for fireplace?

HardieBacker® 12mm cement backerboard can be used as a decorative non-combustible lining sheet for multi-fuel or log burning stove installations.

Is Hardi plank fire resistant?

What Is HardiePlank Siding? HardiePlank siding is a fire resistant siding that is used on the outside of residential homes. It is manufactured by James Hardie and is made from fiber cement.

Can cement board be used as a heat shield?

Hardi cement board is an inexpensive solution that will form the foundation of an effective heat shield for any application. Hardi cement board is also designed to have ceramic, porcelain or stone tiles installed over it to cover and beautify the heat shield after it is installed.

Can you use cement board around fireplace?

Add cement board to the entire area you'll be tiling (for us, that means the floor and all 4 sides of the fireplace leaving room for wood mantle). On the ground and drywall, use thinset and screws to attach the cement board. But on the metal surround, use high heat adhesive to attach the cement boards.

What can I line my fireplace with?

Stainless steel chimney liners are extremely durable and perfect for wood-burning fireplaces and gas furnaces and water heater appliances. People often get a steel liner to upgrade from their old clay or ceramic one. Steel chimney liners will keep your chimney walls safe and protected for many years to come.

Is fiber cement board fire rated?

Fiber cement siding boards are typical “Class A” fire-resistant, which means they can withstand high heat for hours before they begin to melt. If you live in an area of the Carolinas where forest fires are a possibility, fiber cement is a great choice for your house.

Is fiber cement fire-resistant?

Fiber cement does more than look good. It's durable, long-lasting, rot-resistant and low maintenance in even the toughest climes. And fiber cement brings documented fire-resistant properties that help protect your home in the event the worst happens.

Is fiber cement fire rated?

Fiber Cement Composition The secret to fiber cement's durability is also what makes it fire resistant. 90% of the planks are made of materials that won't burn, giving fiber cement siding a Class 1(A) fire/flame spread rating – the highest classification available.

Is Hardibacker heat resistant?

This material has strong moisture-resistance capabilities and is also heat resistant, making it an ideal liner for projects around your fireplace.

Is Durock cement board fire rated?

This DUROCK® cement board is a non-combustible, water and mold-resistant panel designed for use under tile, in shower areas, and readily applied over wood or steel framing applications. It features a dual surface, smooth coat for mastic applications, and textured coat for enhance bonding.

What temp can cement board handle?

Store all DUROCK cement board panels flat. In cold weather and during DUROCK cement panel and tile installation, temperatures within the building shall be maintained within the range of 40 to 100 °F.

What is a hardiebacker?

Hardiebacker is a brand name for a line of fiber cement boards used in construction projects. Fiber cement is a versatile backing material that works well in a number of different applications, including some projects involving fireplaces.

What thickness is a Hardiebacker board?

Fire Ratings. The Hardiebacker board is made with a quarter-inch thickness so that it can serve as fireplace facing. It can be used as part of a hour-long fire wall, which is a wall that can resist a fire for up to an hour when properly constructed.

Can you use Hardiebacker board around a fireplace?

Using Hardiebacker on Fireplaces. You can use Hardiebacker board around your fireplace. However, there is a key difference between "around" and "on.". Your fireplace footing is made from masonry material that needs to remain in place. It cannot be replaced and should not be covered up with more flammable materials.

What is hearth.com?

Active since 1995, Hearth.com is THE place on the internet for free information and advice about wood stoves, pellet stoves and other energy saving equipment.#N#We strive to provide opinions, articles, discussions and history related to Hearth Products and in a more general sense, energy issues.#N#We promote the EFFICIENT, RESPONSIBLE, CLEAN and SAFE use of all fuels, whether renewable or fossil.

Does Hardibacker have nylon reinforcement?

Hardibacker might work, though, it does not seem to have this nylon reinforcement. Of course you could always take a plumber's torch to a scrap sheet of this stuff and do your own flamability test. Won't give you a definitive answer, but should give you a pretty good idea.

Introduction

This article deals with the smooth lining of a fireplace recess. The " closure plate " (the roof above the stove that blocks off the chimney) is an important part of this process.

The lazy method

The following pics show the lazy-bod method. It looks surprisingly effective and fits the architectural “honesty’ box. This is actually in my house (in “the snug” and in the lounge). The inside of the recesses I sprayed in black stove paint and, by the time the stove was in, the recess cannot even be seen due it being dark.

Fully-lined fireplace recess

When lining the complete inside of a recess the board I always used is 12mm Hardiebacker cement board about £12 a sheet 1.2m x 0.8m (NOT the new lightweight plasterboard stuff but the heavy concrete board). The cement board is smooth (one side smooth, one side slightly textured) and can be painted with bog-standard emulsion.

The closure plate

The fitting of the closure plate is outlined in more detail in a separate article that you should also read: Wood burning stove in a fireplace connected to a chimney liner

By Julian Patrick

Julian Patrick is the author of The Stovefitter's Manual and an experienced wood burning stove installer (including solid fuel heating systems).

What is a hardiebacker?

Hardiebacker is a brand name for a line of fiber cement boards used in construction projects. Fiber cement is a versatile backing material that works well in a number of different applications, including some projects involving fireplaces.

What thickness is a Hardiebacker board?

Fire Ratings. The Hardiebacker board is made with a quarter-inch thickness so that it can serve as fireplace facing. It can be used as part of a hour-long fire wall, which is a wall that can resist a fire for up to an hour when properly constructed.

Can you use Hardiebacker board around a fireplace?

Using Hardiebacker on Fireplaces. You can use Hardiebacker board around your fireplace. However, there is a key difference between "around" and "on.". Your fireplace footing is made from masonry material that needs to remain in place. It cannot be replaced and should not be covered up with more flammable materials.

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