Installing Bitumen Roofing

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.

Installing bitumen roofing.

Overlap each row at least 3 to 4 inches. Modified bitumen roofing may have a granular surface as shown here or it may be smooth. Get a sheet of bitumen roofing and roll it out allowing an extension beyond the perimeter of the roof. Using your staple gun secure the felt to the roof.

Do this on both sides of the roof. Run the tip of the flame along the crease between the roofing felt and the roofing roll. Compare homeowner reviews from 9 top los angeles asphalt shingle roof install services. Start by laying asphalt felt or other underlayment over the roof.

Consult with your inspector to see whether you need to tear off the old roofing or if you can reroof over the existing roofing. Use the chalk line to snap a straight line vertically every 6 inches. 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. Hire the best asphalt roofing installers in los angeles ca on homeadvisor.

Install a starter course by cutting off the three tabs on a shingle leaving only the top tar section. If you install the smooth product cover it with aluminum coating. 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. Using the chalk line snap a straight line on each 5 inch increment.

Get quotes book instantly. 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. Use flashings approved by your building department.