
Concrete Roofing Tiles
出版:National Standards Authority of Ireland

專家解讀視頻
Covers the cement aggregate and pigment to be used in the manufacture of concrete roofing tiles (plain and inter-locking) and concrete slates. Requirements are given for colour, freedom from defects, surface coatings, dimensions, nibs, nail holes, fittings, sampling and inspection facilities. Limits and methods of tests for transverse strength and permeability are laid down. The standard is in metric units.
Supersedes I.S. 4
(09/2002)