They were considered a lower cost utilitarian cladding.
Does fiber cement siding contain asbestos.
The company prodcued roofing products containing asbestos and also asbestos cement shingle siding.
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.
Cementitious siding installed after 1973 is very unlikely to contain asbestos.
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.
These patents assigned to flintkote give more details of the history and constituents of flintkote insulating sheathing.
Cement asbestos siding tiles do not need to be removed simply because they contain asbestos.
Today there are several companies that produce fiber cement siding and building products.
If your siding fits either of these descriptions you should consider having it tested.
There is no legal requirement to do so nor is there significant real estate benefit.
The siding may also contain asbestos if it is old with a wood grain texture to resemble cedar.
If you suspect that your siding may contain asbestos there is no need for alarm.
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.
Fiber cement siding does not contain asbestos.
While older homes will likely contain asbestos in roofing insulation and tiles it can also be present in exterior siding.
Planks were up to 5 m long and became available with a wood grain finish.
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.
These materials are known as fiber cement siding and they contain no asbestos.
Asbestos ranks high on the list of dangerous substances because of its toxic and carcinogenic properties when airborne.
Asbestos cement planks asbestos cement planks made in new zealand were readily available during the 1970s.
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.
It is formulated using sand cement and cellulose fibers.
Patent 1 793 810 issued february 24 1931.
Despite its many benefits fiber cement siding comes with its share of problems ranging from adverse.
Testing your siding for asbestos.
Soakers were used over joints and at corners.
Waterproof board and method of preparing same u s.
