A.C. Sheets
Asbestos cement is a material which consists of 15 %of asbestos fibres evenly distributed and pressed with cement. In sufficiently large size they are manufactured. The width of A.C. sheet varies in range 1.0 to 1.2 m and length in range 1.75 to 3.0 m. they are manufactured with corrugation or with traffords to get sufficient strength with thin sections .They are fixed to the steel purlins by using J-bolts. The roofing is quite economical and waterproof. But they are not very good thermal resistant. Commonly they are used as covering materials in ware houses, godowns or for larger halls. In auditorium etc., false ceilings are provided to get good quality thermal resistance if these sheets are used,.
(a) Corrugated sheet covers (b) Trafford sheet covers
A.C. sheet roofing