How To Install A Tin Roof Over Shingles

Make a slat board base on top of the shingles.

How to install a tin roof over shingles.

It s the simplest and fastest way to install a metal roof. Can i install a new metal roof over shingles. Winter heating costs may be reduced thanks to a double layer of insulation. As long as the plywood under the shingle roof is in good condition this way can provide many benefits.

Take care the first piece is aligned precisely perpendicular square to the edge. Always begin working at the point with the longest peak to eave distance. The low weight of metal roofing is one thing that encourages this. Also be careful not to scratch the colored surfaces of the metal.

Install the metal edging. A metal roof reduces cooling costs during the summer months because it can reflect the sun s rays. Install your metal edging around the perimeter of your roof. Yes you can.

Work up from the initial row starting at the lower corner in a diagonal pattern staggering the shingles to prevent gaps. 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. Lay the starter row of metal shingles at the drip edge and affix to the roof with metal roofing nails. How to install a metal roof over shingles.

The vast majority of installations of the metal roofing systems produced by my company are over existing shingles. This is by far the most common way to install a metal 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. However you ll want to check with your local building department before you make any decisions.

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. Use 1 1 4 inch. Add the metal panels. Most metal shingles will be attached to the roof using metal shingle.

Steel shingles weigh about 1 4 what asphalt shingles weigh and aluminum shingles weigh about 1 8 what standard shingles weigh. 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. You will need to lay some 1 by 4 inch pine boards lengthwise every two feet on your 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.

What s involved in how to install metal roofing. When you install the panels you will have to cut the valleys by hand. Yes you can install a metal roof over shingles. Codes vary so call your local building department to know how to install metal roofing over shingles properly code wise.