How Do I Shingle A Flat Roof

Know that there are a number of cities that will allow for composition asphalt roof shingles at a two to 12.

How do i shingle a flat roof.

Most cities require a slight pitch for a shingled roof. The minimum pitch required for shingles is 2 12 which means for every 12 inches the roof rises 2 inches. 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. 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.

Then your first shingle goes on the side you are going to cut. Starting at the bottom of the roof map out a guideline with chalk. You want to lay the shingles from the bottom to the top of the valley. 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.

On top of that many roofers prefer to use a roll out roofing system. Installing flat roof shingles is a process that is complicated and should only be done by professionals. How to shingle a flat roof step 1. You should not shingle a flat roof.

Many pros shingle in a vertical line up the roof because it s much faster. Roll out a full length piece of underlay and cut it to length with a utility knife starting near one of the long. Measure the roof each way. The next one goes on the low side.

Overlap each metal piece by at least 150 mm 6 and use asphalt plastic cement under each section of overlap. Multiply the width by the length and divide the result by 100 to determine the number of. The direct answer to this question is yes. Keep in mind that.

Start by overlapping a starter from both sides of the valley at the bottom. Use your chalk and tape measure to mark about 12 inches up on the roof for the first set of shingles. 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. Different roofing materials require different slopes or pitches.

Understand that most contractors prefer using a roll out roofing as opposed to shingles when roofing low pitch. Materials and installation 1. Adding a pitch to a flat roof requires construction. 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.

Roll out and cut a second.