How To Apply Bitumen Roofing

Rollback the roofing again and switch on your propane torch.

How to apply bitumen roofing.

Asphalt shingles can be laid over cedar shakes or shingles however this is a roofing project best left to pros. Nail at the four corners to the end of the ridge and always add a little dab of tar to cover the nail heads. Roofing contractor jack viera demonstrates installing three tab asphalt roof shingles. Before you reshingle a roof read our step by step guide for adding new shingles over old ones.

However you ll want to check with your local building department before you make any decisions. Drive cap nails 6 to 8 inches apart in rows along the top and bottom of the sheets as well as in a row in the middle. Apply extra heavy typically 43 pound roofing felt over the sheathing old roof or the insulation. Make sure the roofing is flat and free from creases and bubbles.

Nail the roofing strips parallel to the roof edge set in 1 and 8 from the roof edge with nails spaced 4 o. Get a sheet of bitumen roofing and roll it out allowing an extension beyond the perimeter of the roof. Ensure your flat roof is entirely clear of debris. How to install torch down modified bitumen roofing.

Always install flashing around a chimney and other valleys where two roof planes meet as these areas are more prone to leaks if not protected. To apply rolled roofing you ll need your roof measurements a broom chalk to mark lines a razor blade to cut the material roofing cement nails and a hammer to hold down the material. Dot the cement under and around the edge of the last ridge shingle where you removed the nail line. Yes you can install a metal roof over shingles.

Step 4 heat the roof. Beveled wood pieces called horsefeathers must be laid along the thick edges of the shakes to make a fairly flat surface. 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.

Due to the inherent danger of fire especially around felting and petroleum products the torch down method of installation for modified bitumen roofing should only be performed by a qualified roofer. Cut the roofing but still maintain the allowance you ve set for it. Apply a heavy bead of asphalt cement. Nail the drip edge in place using your hammer and roofing nails.

Visit your local hardware store and ask for enough rolled roofing to fit the area of your roof.