How To Install A Tin Roof Over Shingles

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.

How to install a tin roof over shingles.

Take care the first piece is aligned precisely perpendicular square to the edge. Yes you can install a metal roof over shingles. This is what it looks like when you install a steel shingle roof system over an existing asphalt shingle roof. 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.

Use 1 1 4 inch. Make a slat board base on top of the shingles. Installing a metal roof on top of shingles can be done in three basic steps only 2 are required. Lay the starter row of metal shingles at the drip edge and affix to the roof with metal roofing nails.

Work up from the initial row starting at the lower corner in a diagonal pattern staggering the shingles to prevent gaps. Most metal shingles will be attached to the roof using metal shingle. Winter heating costs may be reduced thanks to a double layer of insulation. What s involved in how to install metal roofing.

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. Also be careful not to scratch the colored surfaces of the metal. 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. Codes vary so call your local building department to know how to install metal roofing over shingles properly code wise.

However you ll want to check with your local building department before you make any decisions. How to 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.

As long as the plywood under the shingle roof is in good condition this way can provide many benefits. Add the metal panels. Install the metal edging. The low weight of metal roofing is one thing that encourages this.

When you install the panels you will have to cut the valleys by hand. You will need to lay some 1 by 4 inch pine boards lengthwise every two feet on your roof. A metal roof reduces cooling costs during the summer months because it can reflect the sun s rays. The vast majority of installations of the metal roofing systems produced by my company are over existing shingles.

Anatomy of a steel roof. This is by far the most common way to install a metal roof. Always begin working at the point with the longest peak to eave distance. You can pre measure closely and install them as you go along or you can cut the panels close leaving out some of the screws and then come back later.