How Do I Shingle A Flat Roof

Installing flat roof shingles is a process that is complicated and should only be done by professionals.

How do i shingle a flat roof. The next one goes on the low side. Roll out and cut a second. Keep in mind that. This latest project was in early december in lambeth ontario for a residential home that had an existing sloped or shingled roof that needed to tie into a ne.

Multiply the width by the length and divide the result by 100 to determine the number of. You should not shingle a flat roof. Starting at the bottom of the roof map out a guideline with chalk. How to shingle a flat roof step 1.

Overlap each metal piece by at least 150 mm 6 and use asphalt plastic cement under each section of overlap. Start by overlapping a starter from both sides of the valley at the bottom. The minimum pitch required for shingles is 2 12 which means for every 12 inches the roof rises 2 inches. Materials and installation 1.

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. Most cities require a slight pitch for a shingled roof. Adding a pitch to a flat roof requires construction. On top of that many roofers prefer to use a roll out roofing system.

Understand that most contractors prefer using a roll out roofing as opposed to shingles when roofing low pitch. You want to lay the shingles from the bottom to the top of the valley. The direct answer to this question is yes. Continue to chalk additional guidelines based on the width of the shingle through at least four courses rows across.

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. A very important detail is where the flat roof is connecting the pitch roof. Weave and cut the valley on the highest side of the roof. Use your chalk and tape measure to mark about 12 inches up on the roof for the first set of shingles.

Then your first shingle goes on the side you are going to cut. Measure the roof each way. Roll out a full length piece of underlay and cut it to length with a utility knife starting near one of the long. Armourfix and armourvalley membranes must be installed and extended 60 90 cm up the main roof underneath the shingles in order to assure a waterproof connection.

The starter strip and first row of shingles must be applied 25 cm from the bottom of the slope roof or main roof above the slope transition.