Installing Bitumen Roofing

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.

Installing bitumen roofing.

Do this on both sides of the roof. 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. After attaching the felt to the roof use a primer to prepare the roofing. Get a sheet of bitumen roofing and roll it out allowing an extension beyond the perimeter of the roof.

Start by laying asphalt felt or other underlayment over the roof. If you install the smooth product cover it with aluminum coating. Overlap each metal piece by at least 150 mm 6 and use asphalt plastic cement under each section of overlap. 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.

Run the tip of the flame along the crease between the roofing felt and the roofing roll. Consult with your inspector to see whether you need to tear off the old roofing or if you can reroof over the existing roofing. There are different primers available for sealing the concrete roofs. Once you see bubbles forming gently roll the roofing forward with your foot to install.

Get quotes book instantly. Use flashings approved by your building department. Using the chalk line snap a straight line on each 5 inch increment. Use the chalk line to snap a straight line vertically every 6 inches.

Overlap each row at least 3 to 4 inches. Make sure the roofing is flat and free from creases and bubbles. Install a starter course by cutting off the three tabs on a shingle leaving only the top tar section. Compare homeowner reviews from 9 top los angeles asphalt shingle roof install services.