Installing Bitumen Roofing

Use the chalk line to snap a straight line vertically every 6 inches.

Installing bitumen roofing. Get a sheet of bitumen roofing and roll it out allowing an extension beyond the perimeter of the roof. Make sure the roofing is flat and free from creases and bubbles. Consult with your inspector to see whether you need to tear off the old roofing or if you can reroof over the existing roofing. Compare homeowner reviews from 9 top los angeles asphalt shingle roof install services.

Hire the best asphalt roofing installers in los angeles ca on homeadvisor. Mark 12 inches up on the roof for the first course of shingles then mark every 5 inches all the way up the roof to set your reveal. 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. After attaching the felt to the roof use a primer to prepare the roofing.

Start by laying asphalt felt or other underlayment over the roof. Do this on both sides of the roof. Once you see bubbles forming gently roll the roofing forward with your foot to install. Using the chalk line snap a straight line on each 5 inch increment.

Overlap each row at least 3 to 4 inches. Center a minimum 610 mm 24 wide minimum 28 gauge pre finished galvanized metal valley liner in the valley and fasten with only enough nails to hold it in place nailing at the edges only. Overlap each metal piece by at least 150 mm 6 and use asphalt plastic cement under each section of overlap. There are different primers available for sealing the concrete roofs.

Run the tip of the flame along the crease between the roofing felt and the roofing roll. Modified bitumen roofing may have a granular surface as shown here or it may be smooth. Get quotes book instantly. If you install the smooth product cover it with aluminum coating.