Installing Shingles On A Flat Roof

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Installing shingles on a flat roof.

You should not 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. Snap horizontal chalklines to help you keep the courses straight. Different roofing materials require different slopes or pitches.

Start by laying asphalt felt or other underlayment over the roof. Shingling a shed and want some tips. How to shingle a flat roof step 1. The minimum pitch required for shingles is 2 12 which means for every 12 inches the roof rises 2 inches.

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. Wood and composition shingles are intended for use on pitched roofs. Ask this old house general contractor tom silva reveals the best ways to secure shingles to a 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.

First snap a line for the top of the. Handy home shows you universal shingling techniques that can be applied to any shed. Watch and see how easy it is. Measure the length of a shingle as it lies across the roof.

Install new flashing metal. 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 you live in an area with inclement weather you should consider using a special ice and water protector.

Using your staple gun secure the felt to the roof. Install a starter strip. 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. This will help determine how the shingles will lay on the roof width.

Keep in mind that. Many pros shingle in a vertical line up the roof because it s much faster. Most asphalt shingles are 3 feet 91 4 centimeters in length. Understand that most contractors prefer using a roll out roofing as opposed to shingles when roofing low pitch.

Overlap each row at least 3 to 4 inches.