Providing and laying six courses water proofing treatment with bitumen felt over
roofs consisting of first, third and fifth courses of blown or / and residual bitumen
applied hot at 1.45, 1.20 and 1.70 kg per square metre of area respectively, second
and fourth courses of roofing felt As per IS 7193 Grade I (fibre base self finished
bitumen felt) six and final courses of stone grit 6mm and down size or pea sized
gravel spread at 6cu.dm per sqm including preparation of surface, excluding
grading, compete.
Providing and laying six courses water proofing treatment with bitumen felt over
roofs consisting of first, third and fifth courses of blown or / and residual bitumen
applied hot at 1.45, 1.20 and 1.70 kg per square metre of area respectively, second
and fourth courses of roofing felt As per IS 7193 Grade I (fibre base self finished
bitumen felt) six and final courses of stone grit 6mm and down size or pea sized
gravel spread at 6cu.dm per sqm including preparation of surface, excluding
grading, compete.
%20six%20and%20final%20courses%20of%20stone%20grit%206mm%20and%20down%20size%20or%20pea%20sized%0Agravel%20spread%20at%206cu.dm%20per%20sqm%20including%20preparation%20of%20surface,%20excluding%0Agrading,%20compete.?unique=5669742)