Installing Bitumen Roofing

After attaching the felt to the roof use a primer to prepare the roofing.

Installing bitumen roofing.

Once you see bubbles forming gently roll the roofing forward with your foot to install. Get a sheet of bitumen roofing and roll it out allowing an extension beyond the perimeter of the roof. Use flashings approved by your building department. Compare homeowner reviews from 9 top los angeles asphalt shingle roof install services.

Make sure the roofing is flat and free from creases and bubbles. Use the chalk line to snap a straight line vertically every 6 inches. There are different primers available for sealing the concrete roofs. 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.

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 row at least 3 to 4 inches. Hire the best asphalt roofing installers in los angeles ca on homeadvisor. Start by laying asphalt felt or other underlayment over the roof.

Run the tip of the flame along the crease between the roofing felt and the roofing roll. Do this on both sides of the roof. Modified bitumen roofing may have a granular surface as shown here or it may be smooth. Install a starter course by cutting off the three tabs on a shingle leaving only the top tar section.

Using the chalk line snap a straight line on each 5 inch increment. If you install the smooth product cover it with aluminum coating. Using your staple gun secure the felt to the roof. Overlap each metal piece by at least 150 mm 6 and use asphalt plastic cement under each section of overlap.