How To Install Modified Roll Roofing

Apply roofing cement to the roof.

How to install modified roll roofing. Attach drip edge along the edge of the roof with roofing cement. Once you see bubbles forming gently roll the roofing forward with your foot to install. Repeat this with each roll until the roof is covered overlapping each sheet by about 3 8 in 0 95 cm. Cut the roofing but still maintain the allowance you ve set for it.

How to do it. 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 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. How to do it. Roll roofing is made from the same asphalt composition material as shingles and it s easier to install. The term cold applied is referring to o.

Start at 1 end of the roof and unroll the bitumen to the other end. Remove all obstructions and sweep the roof clean of debris. 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.

You can install metal valley flashing but it is common to. Bitumen roofing rolls can be large and heavy so get help carrying them up to the roof if necessary. Clean and insulate the roof. Cold process modified bitumen roll roofing is another way to apply rolled roofing other than hot mopping or torching.

Prepare roof edges cant strips. You may need to remove old flashings. Roll modified bitumen roofing sheets over the entire roof. 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.

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. You can get roofing cement at the local hardware or building supplies store.