Installing Bitumen Roofing

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.

Installing bitumen roofing.

There are different primers available for sealing the concrete roofs. Start by laying asphalt felt or other underlayment over the roof. Modified bitumen roofing may have a granular surface as shown here or it may be smooth. 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.

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. Hire the best asphalt roofing installers in los angeles ca on homeadvisor. Get a sheet of bitumen roofing and roll it out allowing an extension beyond the perimeter of the roof. Run the tip of the flame along the crease between the roofing felt and the roofing roll.

Get quotes book instantly. Do this on both sides of the roof. Install a starter course by cutting off the three tabs on a shingle leaving only the top tar section. Use flashings approved by your building department.

Make sure the roofing is flat and free from creases and bubbles. If you install the smooth product cover it with aluminum coating. Compare homeowner reviews from 9 top los angeles asphalt shingle roof install services. Overlap each row at least 3 to 4 inches.

After attaching the felt to the roof use a primer to prepare the roofing. Once you see bubbles forming gently roll the roofing forward with your foot to install. Overlap each metal piece by at least 150 mm 6 and use asphalt plastic cement under each section of overlap. Use the chalk line to snap a straight line vertically every 6 inches.