How Do I Shingle A Flat Roof

A very important detail is where the flat roof is connecting the pitch roof.

How do i shingle a flat roof.

Adding a pitch to a flat roof requires construction. Overlap each metal piece by at least 150 mm 6 and use asphalt plastic cement under each section of overlap. You should not shingle a flat roof. Starting at the bottom of the roof map out a guideline with chalk.

Use your chalk and tape measure to mark about 12 inches up on the roof for the first set of shingles. 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. Weave and cut the valley on the highest side of the roof. Keep in mind that.

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. Then your first shingle goes on the side you are going to cut. Materials and installation 1.

The direct answer to this question is yes. The next one goes on the low side. How to shingle a flat roof step 1. You want to lay the shingles from the bottom to the top of the valley.

Understand that most contractors prefer using a roll out roofing as opposed to shingles when roofing low pitch. On top of that many roofers prefer to use a roll out roofing system. Roll out and cut a second. 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.

Measure the roof each way. Installing flat roof shingles is a process that is complicated and should only be done by professionals. Know that there are a number of cities that will allow for composition asphalt roof shingles at a two to 12. The minimum pitch required for shingles is 2 12 which means for every 12 inches the roof rises 2 inches.

Many pros shingle in a vertical line up the roof because it s much faster. Different roofing materials require different slopes or pitches. 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. Start by overlapping a starter from both sides of the valley at the bottom.

Most cities require a slight pitch for a shingled roof.