IS 3978 : 1967 : Manufacture of burnt clay Mangalore pattern roofing tiles- Code of practice
UDC 666.74: 691.424 | CED 30 |
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Reaffirmed 2021 |
1. SCOPE
1.1 This standard coven the selection of raw material," moulding and burning of burnt clay roofing tiles with specific reference to machine pressed inter-locking clay roofing tiles of the Mangalore pattern.