標準號：IS 1626 Pt.3-1981
發布日期：1981/9/1 12:00:00
實施日期：1999/12/31 12:00:00
適用范圍：1.1 This standard covers the requirements of unreinforced asbestos cement roofing fittings to be used in conjunction with corrugated and semi-corrugated asbestos cement sheets conforming to IS :459-1970〓.1.2 The following roofing fittings are covered in this standard :a) Ridges:1) Serrated adjustable ridges,2) Plain wing adjustable ridges,3) One piece plain angular ridges,4) Unserrated adjustable ridges for hips, and5) Close-fitting adjustable ridges.b) Eaves filler pieces,c) Ridge finials,d) Apron pieces,e) Barge boards or corner piece,f) Rooflights,g) Northlight curves or ventilator curves, h) Cowl type ventilators,j) Expansion joints for semi-corrugated sheets and fittings likeridges and northlight curve, and k) Louvres. 'S' type.