Fiber cement siding was manufactured as a replacement for asbestos siding which was popular for its attributes of being fire retardant and rot and insect proof.
Does fiber cement siding contain asbestos.
These shingles are generally 12 by 24 inches and the bottom tends to have a wave like pattern though that is not always the case.
Waterproof board and method of preparing same u s.
They were considered a lower cost utilitarian cladding.
Patent 1 793 810 issued february 24 1931.
Fiber cement siding is made from a blend of cement silica sand wood fiber and other ingredients making it a siding option that is known for durability and strength.
Asbestos cement planks asbestos cement planks made in new zealand were readily available during the 1970s.
If your siding fits either of these descriptions you should consider having it tested.
Cementitious siding installed after 1973 is very unlikely to contain asbestos.
Fiber cement siding does not contain asbestos.
Cement asbestos siding tiles do not need to be removed simply because they contain asbestos.
Most fiber cement products come with a warranty of up to 50 years thanks to a natural resistance to fire termites and rot.
Although some of the earlier versions of fiber cement siding did indeed have some asbestos particles blended in fiber cement was actually designed to replace the asbestos siding products to create a safer environment for the installers and the home s residents.
There is no legal requirement to do so nor is there significant real estate benefit.
Testing your siding for asbestos.
The siding may also contain asbestos if it is old with a wood grain texture to resemble cedar.
Despite its many benefits fiber cement siding comes with its share of problems ranging from adverse.
Asbestos ranks high on the list of dangerous substances because of its toxic and carcinogenic properties when airborne.
They were installed as overlapping units directly to the framing.
The company prodcued roofing products containing asbestos and also asbestos cement shingle siding.
While older homes will likely contain asbestos in roofing insulation and tiles it can also be present in exterior siding.
Today there are several companies that produce fiber cement siding and building products.
If you suspect that your siding may contain asbestos there is no need for alarm.
Planks were up to 5 m long and became available with a wood grain finish.
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.
These patents assigned to flintkote give more details of the history and constituents of flintkote insulating sheathing.
Soakers were used over joints and at corners.
