Installing Shingles On A Flat Roof

Ask this old house general contractor tom silva reveals the best ways to secure shingles to a roof.

Installing shingles on a flat roof.

On buildings with flat roofs shingles should be replaced with a roofing material that provides protection from water intrusion. You should not shingle a flat roof. 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. 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. Install a starter strip. Understand that most contractors prefer using a roll out roofing as opposed to shingles when roofing low pitch. Wood and composition shingles are intended for use on pitched roofs.

Overlap each row at least 3 to 4 inches. Handy home shows you universal shingling techniques that can be applied to any shed. 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. Many pros shingle in a vertical line up the roof because it s much faster.

Start by laying asphalt felt or other underlayment over the roof. If possible have the shingles delivered via a boom directly onto the roof. Using your staple gun secure the felt to the roof. Different roofing materials require different slopes or pitches.

First snap a line for the top of the. Know that there are a number of cities that will allow for composition asphalt roof shingles at a two to 12. Keep in mind that. Watch and see how easy it is.

If you live in an area with inclement weather you should consider using a special ice and water protector. See below for a shopping list tools and steps subscr. Snap horizontal chalklines to help you keep the courses straight. Most asphalt shingles are 3 feet 91 4 centimeters in length.

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. 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. This will help determine how the shingles will lay on the roof width. Measure the length of a shingle as it lies across the roof.

Install new flashing metal.