How To Install Modified Roll Roofing

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.

How to install modified roll roofing.

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. Nail the roofing strips parallel to the roof edge set in 1 and 8 from the roof edge with nails spaced 4 o c. Install drip edge flashings roofing felt and wsu if needed. Cut the roofing but still maintain the allowance you ve set for it.

You can get roofing cement at the local hardware or building supplies store. How to do it. Roll modified bitumen roofing sheets over the entire roof. Prepare roof edges cant strips.

Attach drip edge along the edge of the roof with roofing cement. The term cold applied is referring to o. Repeat this with each roll until the roof is covered overlapping each sheet by about 3 8 in 0 95 cm. Get a sheet of bitumen roofing and roll it out allowing an extension beyond the perimeter of 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. How to do it. You can install metal valley flashing but it is common to. Once you see bubbles forming gently roll the roofing forward with your foot to install.

Cold process modified bitumen roll roofing is another way to apply rolled roofing other than hot mopping or torching. Apply roofing cement to the roof. Clean and insulate the roof. There are three systems including glue down torch down and peel and stick.

Bitumen roofing rolls can be large and heavy so get help carrying them up to the roof if necessary. Use a trowel to scoop up the roofing cement. Run the tip of the flame along the crease between the roofing felt and the roofing roll. Start at 1 end of the roof and unroll the bitumen to the other end.

Make sure the roofing is flat and free from creases and bubbles. Roll roofing is made from the same asphalt composition material as shingles and it s easier to install.