How To Install A Tin Roof Over Shingles

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

How to install a tin roof over shingles.

Installing a metal roof on top of shingles can be done in three basic steps only 2 are required. The vast majority of installations of the metal roofing systems produced by my company are over existing shingles. Install the metal edging. Codes vary so call your local building department to know how to install metal roofing over shingles properly code wise.

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. Yes you can. Make a slat board base on top of the shingles. Always begin working at the point with the longest peak to eave distance.

Steel shingles weigh about 1 4 what asphalt shingles weigh and aluminum shingles weigh about 1 8 what standard shingles weigh. Can i install a new metal roof over shingles. This is by far the most common way to install a metal roof. Anatomy of a steel roof.

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. Winter heating costs may be reduced thanks to a double layer of insulation. 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. Take care the first piece is aligned precisely perpendicular square to the edge.

When you install the panels you will have to cut the valleys by hand. This is what it looks like when you install a steel shingle roof system over an existing asphalt shingle roof. The low weight of metal roofing is one thing that encourages this. What s involved in how to install metal roofing.

Work up from the initial row starting at the lower corner in a diagonal pattern staggering the shingles to prevent gaps. It s the simplest and fastest way to install a metal roof. Use 1 1 4 inch. Lay the starter row of metal shingles at the drip edge and affix to the roof with metal roofing nails.

A metal roof reduces cooling costs during the summer months because it can reflect the sun s rays. 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. Install your metal edging around the perimeter of your roof. You will need to lay some 1 by 4 inch pine boards lengthwise every two feet on your roof.

Yes you can install a metal roof over shingles. 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. Most metal shingles will be attached to the roof using metal shingle. Also be careful not to scratch the colored surfaces of the metal.