Asbestos Masonite Siding

Asbestos siding or masonite.

Asbestos masonite siding.

It is available in a variety of sizes and shapes to match many of the old siding shingles installed over the last 60 years. However if not properly maintained it will deteriorate. Based on rotting patterns can anyone please help me identify if this siding is asbestos or masonite. If you suspect that your siding may contain asbestos there is no need for alarm.

In the 1930s and 1940s masonite was used for applications including doors roofing walls desktops and canoes. A brief history of asbestos cement siding. A 1932 patent does describe the use of asbestos in the equipment used to produce masonite hardboard. When the siding is manufactured a combination of heat and pressure is used to consolidate the wood fibers with the other.

It was sometimes used for house siding. Masonite siding is made of wood chips held together with glue resin and wax. Asbestos was not an ingredient in masonite hardboard products. While older homes will likely contain asbestos in roofing insulation and tiles it can also be present in exterior siding.

Nychole price last modified date. It helps in protecting a structure from damage caused by weather and other external factors. This thread is archived. Asbestos ranks high on the list of dangerous substances because of its toxic and carcinogenic properties when airborne.

Masonite was patented in 1924 in laurel mississippi by william h. Mass production started in 1929. Mason who was a friend and protégé of thomas edison. The portland cement binds asbestos fibers into a hard mass.

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. Weatherside fiber cement siding is the 1 and weatherside fiber cement siding is the 1 and only solution for replacing or repairing old asbestos siding shingles. 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. September 09 2020.

Masonite siding is extensively used in constructions. Masonite also known as cardboard hardboard or clapboard is the primary siding used in tract homes throughout the united states. Asbestos cement was first developed in 1905 by the johns manville company who became one of the premier manufacturers of cement asbestos materials.