How To Install Modified Roll Roofing
Roll roofing is made from the same asphalt composition material as shingles and it s easier to install.
How to install modified roll roofing. Prepare roof edges cant strips. You can get roofing cement at the local hardware or building supplies store. Bitumen roofing rolls can be large and heavy so get help carrying them up to the roof if necessary. Repeat this with each roll until the roof is covered overlapping each sheet by about 3 8 in 0 95 cm.
Spread the roofing cement along the edges of your roof so it s about 1 8 1 4 inch 3 2 6 4 mm thick. How to do it. Install drip edge and install 9 cant strips of roll roofing material along the rake and eaves edges gable ends and lower roof edge such that the roofing strip overhangs the roof deck by 1 4 to 3 8. Install drip edge flashings roofing felt and wsu if needed.
Get a sheet of bitumen roofing and roll it out allowing an extension beyond the perimeter of the roof. There are three systems including glue down torch down and peel and stick. You may need to remove old flashings. Run the tip of the flame along the crease between the roofing felt and the roofing roll.
Clean and insulate the roof. You can install roll roofing on your own but it goes more smoothly with a helper so grab a friend and get started. The term cold applied is referring to o. How to do it.
Start at 1 end of the roof and unroll the bitumen to the other end. You can install metal valley flashing but it is common to. Roll modified bitumen roofing sheets over the entire roof. Once you see bubbles forming gently roll the roofing forward with your foot to install.
Align the next sheet of modified bitumen roofing so it covers the edge of the first sheet by a few inches and repeat the process. Remove all obstructions and sweep the roof clean of debris. Apply roofing cement to the roof. Cold process modified bitumen roll roofing is another way to apply rolled roofing other than hot mopping or torching.
Attach drip edge along the edge of the roof with roofing cement. Make sure the roofing is flat and free from creases and bubbles.