Masonite Asbestos Siding
If a siding company removes an outer layer of siding and finds an older layer of asbestos cement siding beneath the standard procedure is simply to cover it over with new siding rather.
Masonite asbestos siding. 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. A 1932 patent does describe the use of asbestos in the equipment used to produce masonite hardboard. 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.
New comments cannot be posted and votes cannot be cast. Asbestos itself is actually a rock that has an fibrous makeup that looks a lot like hair or fur. This thread is archived. Most siding companies are well experienced at techniques for covering over existing asbestos cement siding with new vinyl aluminum or fiber cement siding.
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. Asbestos siding or masonite. It was sometimes used for house siding. Asbestos siding or masonite.
It helps in protecting a structure from damage caused by weather and other external factors. Asbestos was not an ingredient in masonite hardboard products. Mass production started in 1929. Masonite also known as cardboard hardboard or clapboard is the primary siding used in tract homes throughout the united states.
Here s a look at some of the common problems arising in masonite sidings and the ways to fix them. Masonite siding is made of wood chips held together with glue resin and wax. Posted by 9 months ago. However if not properly maintained it will deteriorate.
Masonite siding is extensively used in constructions. Asbestos ranks high on the list of dangerous substances because of its toxic and carcinogenic properties when airborne. 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. While older homes will likely contain asbestos in roofing insulation and tiles it can also be present in exterior siding.
Masonite was patented in 1924 in laurel mississippi by william h.