How To Install A Tin Roof Over Shingles

A metal roof reduces cooling costs during the summer months because it can reflect the sun s rays.

How to install a tin roof over shingles.

How to install a metal roof over shingles. Steel shingles weigh about 1 4 what asphalt shingles weigh and aluminum shingles weigh about 1 8 what standard shingles weigh. And by doing so you save in the labor and hassle of tearing off the old roof and you won t be contributing to filling our landfills. Add the metal panels.

Anatomy of a steel roof. However you ll want to check with your local building department before you make any decisions. Yes you can install a metal roof over shingles. Can i install a new metal roof over shingles.

It s the simplest and fastest way to install a metal roof. Use 1 1 4 inch. When you install the panels you will have to cut the valleys by hand. Install the metal edging.

Also be careful not to scratch the colored surfaces of the metal. The low weight of metal roofing is one thing that encourages this. You will need to lay some 1 by 4 inch pine boards lengthwise every two feet on your roof. Install your metal edging around the perimeter of your roof.

Installing a metal roof on top of shingles can be done in three basic steps only 2 are required. 3 install 1x4 purlins down over the shingles before installing the metal roof the third way to install a metal roof over shingles is by applying 1x4 purlins over the shingle roof. Winter heating costs may be reduced thanks to a double layer of insulation. What s involved in how to install metal roofing.

This is what it looks like when you install a steel shingle roof system over an existing asphalt shingle roof. Building officials in some areas will only allow a re roof over one layer of shingles while officials in other places may allow you to place the roof over two layers of shingles. Yes you can. The vast majority of installations of the metal roofing systems produced by my company are over existing shingles.

Always begin working at the point with the longest peak to eave distance. Most metal shingles will be attached to the roof using metal shingle. This is by far the most common way to install a metal roof. Codes vary so call your local building department to know how to install metal roofing over shingles properly code wise.

Take care the first piece is aligned precisely perpendicular square to the edge. Take your first sheet of metal and place it on the roof so that it overhangs the edge at least 3 4 in 1 9 cm. Make a slat board base on top of the shingles. As long as the plywood under the shingle roof is in good condition this way can provide many benefits.