Installing Metal Roof Over Nearly Flat Membrane Roof

Canadian drugs we have recently completed a metal reroof project.

Installing metal roof over nearly flat membrane roof.

Tar and gravel first let s talk about what makes a good tar and gravel roof work. This is part 1 of a 6 part video series explaining how i installed a metal roof on my house. But now flat roofs often are constructed with fewer layers because of improved waterproofing technology. Before you install metal roofing repair any damage to the wood under the shingles.

Our goal was to provide a water tight roofing system by installing a tpo roofing system and increase the r value of the roof by installing a eps flute filler and iso roof insulation. As with most older metal buildings the metal roof panels had expanded and contracted over time causing the roof to leak. A mobile home roof over creates a unique opportunity to completely change the look of the home. Be sure the larger edge is laid so that the small edge of the next panel will overlap it.

Install the roofing screws vertically along each rib in the panel. Next use 1 inch nails to secure some metal edging to the perimeter of the roof. Install drip edge drip edge or edge metal is a piece of metal that extends approximately 0 75 inch beyond the roof s edge to channel runoff into your gutters. This could mean flat roofs may not raise the same red flags they used to.

Flat roofs are hard to replace. Two common alternatives to tar and gravel are two ply membrane assembly and standing seam hidden fastener metal panels. Then cover the entire roof with a layer of insulation and secure it with a staple gun. Align the first metal roofing panel so that it overlaps the edging by 1 2 to 3 4 of an inch and is square to the roof line.

A mobile home roof over involves placing a new roof or roofing material over your existing roof there s little to no material removed which can keep costs down. In this video i cover measuring the roof figuring the metal th. Metal is one of the most popular materials used for flat roof replacement. Flat metal roofs can last for almost 35 years in ideal conditions.

If you want to install steel over asphalt your best choice for installing metal roofing is to use a steel shingle system like the one shown instead of the more common and more expensive standing seam steel. Less labor is needed and there are much smaller refuse fees. Plus it has the added advantage of reflecting heat from the sun which keeps energy costs down. If you have a tar and gravel low slope roof typical of constructions in many areas in montreal you may consider changing the roofing material to something else.

To install it slide the flat wide.