The asbestos roofing sheets shall be secured to the purlins and other roof members by means of 8 mm diameter galvanized iron j or l hook bolts and nuts.
Corrugated asbestos roofing sheets.
Often these sheets were used as siding corrugated roofing and soffit.
Corrugated roofing sheets made of asbestos is common in uk homes constructed prior to 2000.
Roofing and siding shingles are the most common materials to contain asbestos.
Corrugated asbestos sheets were used in the roofing and siding of all types of buildings especially in factories and farms.
Corrugated sheets are among the toughest roofing materials available to diyers.
When combined these provide you with sheet roofing that is able to withstand tough weather conditions at pitches between 5 and 90 degrees.
Adding asbestos to the cement made the corrugated roofing sheets more heat resistant weatherproof and durable.
J hooks are used to fix angle iron purlins l hooks are used for fixing to rs joists timber or precast concrete purlins.
There could even be asbestos contained within the cement of your garage to help improve insulation.
Since the cement sheets were fireproof manufacturers initially considered them safer as compared to wood.
Due to its fantastic thermal qualities and being extremely fire retardant it is not surprising that asbestos was extensively used in roofing and insulation in the 20 th century.
Asbestos cement in roofing.
Cement sheets are one of the most commonly used roofing products that the mineral is found in and there are still a large number of buildings around the uk that have an asbestos cement sheet roof.
Contemporary roofing product manufacturers make reinforced fiber cement roofing shingles and other roofing products which look like perform similarly to and need to be installed similarly to the original corrugated asbestos cement sheet roofing but these new products are free of asbestos.
This is due to the corrugated form factor and innovative materials which include bitumen fibres and galvanised steel.
To check the concrete for asbestos look out for thin pieces of it containing small fibres.