How To Install Shingles On A Flat Roof

Shingling a shed and want some tips.

How to install shingles on a flat roof.

Understanding how shingles work and what problems can arise from installing them on a flat roof will help you to know what other types of materials are not good for flat roofs. 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. Continue to chalk additional guidelines based on the width of the shingle through at least four courses rows across. Start at the long edge of the roof where the first layer of underlay is installed.

Use sticky back ice and water shield as underlayment where ice dams or leaf and twig dams are likely to build up and at. Roll out a full length piece of 90 pound roll roofing and cut it to length with the knife. Starting at the bottom of the roof map out a guideline with chalk. Many pros shingle in a vertical line up the roof because it s much faster.

Watch and see how easy it is. Know that there are a number of cities that will allow for composition asphalt roof shingles at a two to 12. Understand that most contractors prefer using a roll out roofing as opposed to shingles when roofing low pitch. See below for a shopping list tools and steps subscr.

Keep in mind that. Then your first shingle goes on the side you are going to cut. Align one of the long. Use your chalk and tape measure to mark about 12 inches up on the roof for the first set of shingles.

Overlap each metal piece by at least 150 mm 6 and use asphalt plastic cement under each section of overlap. Besides shingles there are other roofing materials that should not be used on flat roofs. Nail metal flashing called drip edge along the bottom edge of the roof deck near the gutters. Start by overlapping a starter from both sides of the valley at the bottom.

The next one goes on the low side. 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. You want to lay the shingles from the bottom to the top of the valley. Ask this old house general contractor tom silva reveals the best ways to secure shingles to a roof.