How To Lay Roll Roofing On A Flat Roof

Working with a helper expect to spend half a day installing flashings and roll roofing for a 700 square foot roof with modest complications.

How to lay roll roofing on a flat roof.

Prepare the roof by tearing off the old shingles or by preparing for a reroof. Place the top edge of the roofing along the chalk line. Installation tips and guides. Roll out and cut roll roofing to cover the length of the roof.

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. This should give you a 1 inch overhang on the eaves including the top edge. 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. How to install roll roofing on a flat or pitched roof with your own hands.

Modern technologies have significantly improve the performance of bitumen roll materials to extend their service life of up to 15 25 years and made them more universal.