Laying of corrugated asbestos cement roofing sheets.
Corrugated asbestos cement sheets percentage.
Since the cement sheets were fireproof manufacturers initially considered them safer as compared to wood.
Corrugated asbestos sheets were used in the roofing and siding of all types of buildings especially in factories and farms.
Corrugated asbestos cement sheets were applied in the same way that corrugated iron was applied either nailed to wooden strips bolted to the.
Aug 28 2020 for estimation of painted area of corrugated asbestos cement sheets percentage increase in area above the painted area is a 10 b 14 c 20 d 25.
With the advent of asbestos cement corrugated sheets the enclosure of factory buildings warehouses and train sheds was simple economical and effective for either permanent or portable structures.
The sheets are laid on the purlins and other roof members as indicated in the working drawings or as instructed by the engineer.
Adding asbestos to the cement made the corrugated roofing sheets more heat resistant weatherproof and durable.
The maximum spacing of purlins under the sheets shall be 1 40 m for 6 mm thick sheets and should not exceed in any case.
Corrugated roofing sheets made of asbestos is common in uk homes constructed prior to 2000.