How To Cut Roll Roofing

Use a hook blade utility knife and draw it carefully along the cut line.

How to cut roll roofing.

Typically a flat roof is a low sloping roof with a maximum 10 degrees of pitch or usually having a slope of up to 3 inches per linear foot for adequate drainage. If removing your current shingles is a problem it is usually permissible to re roof over your existing roof with rolled roofing. Installing peel and stick roll roofing on a flat roof requires a minimum slope of 1 2 inch per 12 inch roof run. This should give you a 1 inch overhang on the eaves including the top edge.

Rolled roofing is very adaptable and can be cut into 12 inch by 36 inch strips to act as hips and ridges or 9 inch strips for eaves and rakes. Cut the roll roofing into lengths long enough to cover one run across the shed roof or of 18 whichever fits your shed better and lay them out on a flat surface to smooth them out. For added protection add a boot flashing. Place the top edge of the roofing along the chalk line.

Cutting roll roofing can be challenging. Preparing to install rolled roofing. Cut a hole in a piece of roofing about 2 feet wide and slip it over the pipe. Roll roofing is inexpensive and easy to apply although it must be replaced sooner than most other roofing materials and usually has a class c fire rating a is the most fire resistant.

To make the pieces of rolled roofing easier to handle you need to cut the roofing into manageable sizes perhaps 12 to 18 feet. Cut the rolled roofing to the right size using a razor knife. Asphalt roll roofing is not a very thick material and it does not come in very wide sheets. The rolled roofing should reach the chalk line when you lay it down and should stretch from 1 side of the roof to the other.

Tools and materials rolled roofing. Unroll enough roofing to span the length of the line and cut it from the roll. Rolled asphalt roofing comes in 36 inch wide sheets that you can use for roof flashing or as a roof covering. Roll out and cut roll roofing to cover the length of the roof.

Embed both roofing pieces in cement. Asphalt roofing creates a protective barrier on the roof of your house. To seal a plumbing vent spread roofing cement around the pipe. It can be easily cut with a standard utility knife but there are a few tips to follow to cut asphalt roofing safely and properly.

Make sure it is at least 50 degrees where you are working before you start cutting. You ll need to use plenty of pressure with the razor knife to cut the rolled roofing material. The piece should overlap the lower course by at least 4 inches. Cut a hole in the roll roofing and slip it over as well.