28feet by 10feet tile roof 100by 50 14gauge thik tras 20by 40 14gauge thik parleen 1cot primmer and fitting with including tile fixing double grow till top bottom design till water ghater xtra charge
If epoxy or silicone sealant is not used where the anchor bolts were drilled into the roof , water will eventually seep in and cause steel rebar in the roof to swell and create cracks . Silicone sealant should have been used when seating the base of steel square sections to the roof .