Flat roofs: built-up bitumen felt - remedying rain penetration.

Flat roofs: built-up bitumen felt - remedying rain penetration. - Garston, Watford BRE 1983 - 1 sheet : ill. ; 30cm. - Defect Action Sheet 33 (Design) DAS 33 .


BITUMINOUS FELT
FLAT ROOFS
RAIN PENETRATION
ROOFING

690.25