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.
Installing shingles on a flat roof.
Snap horizontal chalklines to help you keep the courses straight.
This will help determine how the shingles will lay on the roof width.
Know that there are a number of cities that will allow for composition asphalt roof shingles at a two to 12.
Overlap each row at least 3 to 4 inches.
The minimum pitch required for shingles is 2 12 which means for every 12 inches the roof rises 2 inches.
Watch and see how easy it is.
Ask this old house general contractor tom silva reveals the best ways to secure shingles to a roof.
First snap a line for the top of the.
If possible have the shingles delivered via a boom directly onto the roof.
Different roofing materials require different slopes or pitches.
If you live in an area with inclement weather you should consider using a special ice and water protector.
Most asphalt shingles are 3 feet 91 4 centimeters in length.
You should not shingle a flat roof.
Shingling a shed and want some tips.
On buildings with flat roofs shingles should be replaced with a roofing material that provides protection from water intrusion.
Using your staple gun secure the felt to the roof.
Many pros shingle in a vertical line up the roof because it s much faster.
Measure the length of a shingle as it lies across the roof.
Keep in mind that.
Install new flashing metal.
See below for a shopping list tools and steps subscr.
How to shingle a flat roof step 1.
Install a starter strip.
Understand that most contractors prefer using a roll out roofing as opposed to shingles when roofing low pitch.
How to do it prep work space.
Overlap each metal piece by at least 150 mm 6 and use asphalt plastic cement under each section of overlap.
If your roof s width is not an even multiple of the shingle s length you will have a partial piece on one end of each row.
Any slope that has a pitch less than 2 12 is too flat for shingles and should be covered with flat roof materials such as tpo pvc epdm rubber or others.
Start by laying asphalt felt or other underlayment over the roof.