How To Install Modified Roll Roofing

Apply roofing cement to the roof.

How to install modified roll roofing.

How to do it. Start at 1 end of the roof and unroll the bitumen to the other end. Use a trowel to scoop up the roofing cement. Cold process modified bitumen roll roofing is another way to apply rolled roofing other than hot mopping or torching.

Run the tip of the flame along the crease between the roofing felt and the roofing roll. You can install metal valley flashing but it is common to. Prepare roof edges cant strips. 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.

The term cold applied is referring to o. Nail the roofing strips parallel to the roof edge set in 1 and 8 from the roof edge with nails spaced 4 o c. You can install roll roofing on your own but it goes more smoothly with a helper so grab a friend and get started. Install drip edge flashings roofing felt and wsu if needed.

Cut the roofing but still maintain the allowance you ve set for it. Once you see bubbles forming gently roll the roofing forward with your foot to install. Make sure the roofing is flat and free from creases and bubbles. Remove all obstructions and sweep the roof clean of debris.

Roll modified bitumen roofing sheets over the entire roof. How to do it. Roll roofing is made from the same asphalt composition material as shingles and it s easier to install. 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.

You can get roofing cement at the local hardware or building supplies store. Attach drip edge along the edge of the roof with roofing cement. Get a sheet of bitumen roofing and roll it out allowing an extension beyond the perimeter of the roof. Bitumen roofing rolls can be large and heavy so get help carrying them up to the roof if necessary.

There are three systems including glue down torch down and peel and stick. Repeat this with each roll until the roof is covered overlapping each sheet by about 3 8 in 0 95 cm.