A number of these products promising a life of 50 years or longer were found to fail early in their life in the 1990s.
Non asbestos roof slates.
The asbestos fibers inside slates can only be released when they are broken and this roofing material does not necessarily require removal although many people choose to do it.
Health safety concerns related to the removal of asbestos containing roofs.
The slates are pigmented during production and are fully compressed.
Asbestos and its hazards asbestos is a naturally occurring substance.
A number of non asbestos manufactured or synthetic slates or fiber cement roof shingles slate tiles that were produced when manufacturers stopped using asbestos were made using wood fibers or other materials.
When you use slate hooks you don t have to drill the tiles or caulk anything.
Slate hooks work well for fastening replacement tiles in place.
On diamond shaped tiles use two hooks one at 4 o clock and one at 8 o clock see below.
A ladder hook is inexpensive and works pretty well on asbestos roofs.
Before the 1980s most artificial roofing slate was made from asbestos cement a material that had a long track record of successful performance.
Their color ranges between grey light green peachy orange and even purple.