IS 1626 : Part 3 : 1994 Asbestos Cement Building Pipes and Pipe Fittings, Gutters and Gutter Fittings and Roofing Fittings - Specification - Part 3 : Roofing Fittings

1 Scope

1.1 This standard (Part 3) covers the requirements of asbestoscement roofing fittings, to be used in conjunction with corrugatedand semicorrugated asbestos cement sheets conforming to IS 459 :1992.

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) Underrated adjustable ridgesfor hips, 5) Close fitting adjustable ridges, and 6) North lightadjustable ridges.

b) Eaves filler pieces,

c) Ridge finials,

d) Apron pieces,

e) Barge boards or corner pieces, curved barge boards,

f) Rooflights,

g) North light curves or ventilator curves,

h) Cowl type ventilators,

j) Expansion joints for semi-corrugated sheets and fittings likeridges and north-light curve,

k) Louvres, S type,

m) Radial exhaust, and

n) Curved sheets.

2 References

IS 269 :198933 Grade ordinary Portland cement

IS 455 :1989Portland slag cement

IS 459 :1992Corrugated and semi-corrugated asbestos cementsheets

IS 1489 : Part 1 :1991 Portland pozzolana cement:Part 1 Fly ash based

IS 1489 : Part 2 :1991 Portland pozzolana cement :Part 2 Calcined clay based

IS 5913 :1989Methods of tests for asbestos cement products

IS 8041 :1990Rapid hardening Portland cement

IS 8112 :198943 Grade ordinary Portland cement

IS 11769 : Part 1 :1987 Guidelines for safe use of productscontainingasbestos:Part 1 Asbestos cement products

IS 12081 : Part 2 :1987 Recommendations for pictorial warningsigns andprecautionary notices for asbestos and productscontaining asbestos:Part 2 Asbestos and its products

IS 12269 :198753 Grade ordinary Portland cement