Providing and laying six courses water proofing treatment with bitumen felt over
roofs consisting of first, third and fifth courses of blow 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 II (glass fibre base self
finished bitumen felt) and sixth and final course of stone grit 6mm and down size
or pea sized gravel spread at 6 cubic dm per sqm including preparation of surface
but excluding grading, complete.
Providing and laying six courses water proofing treatment with bitumen felt over
roofs consisting of first, third and fifth courses of blow 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 II (glass fibre base self
finished bitumen felt) and sixth and final course of stone grit 6mm and down size
or pea sized gravel spread at 6 cubic dm per sqm including preparation of surface
but excluding grading, complete.
%20and%20sixth%20and%20final%20course%20of%20stone%20grit%206mm%20and%20down%20size%0Aor%20pea%20sized%20gravel%20spread%20at%206%20cubic%20dm%20per%20sqm%20including%20preparation%20of%20surface%0Abut%20excluding%20grading,%20complete.?unique=a0e2944)