Installing Bitumen Roofing

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Installing bitumen roofing.

Get a sheet of bitumen roofing and roll it out allowing an extension beyond the perimeter of 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. 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. Start by laying asphalt felt or other underlayment over the roof.

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. Compare homeowner reviews from 9 top los angeles asphalt shingle roof install services. Run the tip of the flame along the crease between the roofing felt and the roofing roll. After attaching the felt to the roof use a primer to prepare the roofing.

Overlap each row at least 3 to 4 inches. Get quotes book instantly. Make sure the roofing is flat and free from creases and bubbles. Using your staple gun secure the felt to the roof.

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. Do this on both sides of the roof. Overlap each metal piece by at least 150 mm 6 and use asphalt plastic cement under each section of overlap. If you install the smooth product cover it with aluminum coating.

Using the chalk line snap a straight line on each 5 inch increment. Use flashings approved by your building department. There are different primers available for sealing the concrete roofs. Use the chalk line to snap a straight line vertically every 6 inches.