Installing Metal Roof Over Nearly Flat Membrane Roof

Be sure the larger edge is laid so that the small edge of the next panel will overlap it.

Installing metal roof over nearly flat membrane roof.

But now flat roofs often are constructed with fewer layers because of improved waterproofing technology. As with most older metal buildings the metal roof panels had expanded and contracted over time causing the roof to leak. 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.

Some observers suggest it s harder to replace a flat roof than a traditional pitched shingle roof because of the labor required to remove its layers especially on older flat roofs. 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. 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.

Tar and gravel first let s talk about what makes a good tar and gravel roof work. Canadian drugs we have recently completed a metal reroof project. Metal specifically aluminum is known for its durability. Next use 1 inch nails to secure some metal edging to the perimeter of the roof.

This could mean flat roofs may not raise the same red flags they used to. 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. Metal is one of the most popular materials used for flat roof replacement. Then cover the entire roof with a layer of insulation and secure it with a staple gun.

Two common alternatives to tar and gravel are two ply membrane assembly and standing seam hidden fastener metal panels. Before you install metal roofing repair any damage to the wood under the shingles. Flat roofs are hard to replace. Less labor is needed and there are much smaller refuse fees.

This is part 1 of a 6 part video series explaining how i installed a metal roof on my house. Install the roofing screws vertically along each rib in the panel. 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. Flat metal roofs can last for almost 35 years in ideal conditions.

In a standing seam roof long single panels run vertically all the way from the eave to the ridge.