How To Fit Roof Shingles
Inspect the underlying roof sheathing for damage and make any needed repairs.
How to fit roof shingles. This will help determine how the shingles will lay on the. Also apply bituminous sealant adhesive to bind the shingles to the detail strip. If possible have the shingles delivered via a boom directly onto the roof. Install a layer of roofing insulation as recommended by the roofing manufacturer.
Preparing the roof 1. Get the right number of shingles for the job. Known in the trade as vertical racking or staggering this how to lay shingles method enables the roofer to install a single column of shingles all the way to the peak without the wasted back and forth motion necessary to fill several rows of stair steps. Otherwise stack them near the ridge in a way that prevents them from sliding or on a roof jack platform.
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. Adhere the joint where the cut edges of the shingles meet the dome. Lay the lower edge of the flange over the top of the lower shingles and the upper edge is positioned underneath the. Start from the top of the roof and remove the old shingles along with the flashing underlayment and vents.
Measure the length of a shingle as it lies across the roof. Overlap each metal piece by at least 150 mm 6 and use asphalt plastic cement under each section of overlap. You can use a sharp stanley knife to trim away any unwanted overhang at the verge. Cut the shingles to fit around the flange s dome.
If the slope is shallow so there s no danger that the shingles will slide off scatter the shingles on the roof so they will be in easy reach. Remove old shingles and. Starting at the bottom of the roof map out a guideline with chalk. Continue to chalk additional guidelines based on the width of the shingle through at least four courses rows across.
Use your chalk and tape measure to mark about 12 inches up on the roof for the first set of shingles. Hammer down any large nails that are exposed by the removal. Many pros shingle in a vertical line up the roof because it s much faster.