Hardboard Siding Asbestos

Asbestos was used to make several exterior materials.

Hardboard siding asbestos. A 1932 patent does describe the use of asbestos in the equipment used to produce masonite hardboard. Asbestos was also put into cement used on the exterior of buildings to help insulate the. It is often composed of compressed wood fiber wax resin and wood. Cement fiber siding made prior to the 80s had asbestos in it.

Because fiber cement siding manufactured in north america after around 1978 was made without using asbestos in those later products and because those non asbestos fiber cement shingles included products that by eye were an exact visual match for their older asbestos containing brothers and sisters already installed a building built. If your house is older it may require abatement. Hardboard siding hardboard siding is a type of exterior siding for homes. Asbestos was not an ingredient in masonite hardboard products.

When the siding is manufactured a combination of heat and pressure is used to consolidate the wood fibers with the other products resulting in a dense board with a smooth finish. When james hardie immigrated to australia from ireland in the late 1800s he began a tanning business. Is masonite siding made from or does it contain asbestos. Best answer no masonite and the class action suit prior to the 1980 s masonite had manufactured highquality hardboard siding also known as.

Roofing and siding shingles are among the most common materials to contain asbestos and will readily release fibers into the air if broken. For that reason it is very slightly possible that one might detect a rare asbestos fiber in masonite if the hardboard producing equipment such as an asbestos coated roller was. Masonite also known as cardboard hardboard or clapboard is the primary siding used in tract homes throughout the united states. He imported oil and hide tanning chemicals for his business and formed a partnership with andrew reid.