Installing Metal Roofing Over Shingles Shakes

The purlins are screwed or nailed down to the roof deck depending on how the metal roofing manufacturer has testing for their roofing panels and then the metal is installed to the purlins.

Installing metal roofing over shingles shakes.

Attach with nails along the top edge of the strip. Both metal and shingle roofs are great options for your next roofing project. Use 1 1 4 inch. Install your metal edging around the perimeter of your roof.

If you are trying to decide between the two materials it s important to carefully look at the metal over shingle roof problems. This is by far the most common way to install a metal roof. Work up from the initial row starting at the lower corner in a diagonal pattern staggering the shingles to prevent gaps. You will need to lay some 1 by 4 inch pine boards lengthwise every two feet on your roof.

Rip cut the starter strip or starter pieces so that they butt up against the second course of existing shingles and are even with the front edge of the existing roofing. Lay the starter row of metal shingles at the drip edge and affix to the roof with metal roofing nails. Install the metal edging. Alternatively a metal shingles roof can be installed over the old asphalt shingles if you do not want to tear it off provided there is only one layer of existing shingles on the roof.

Can i install a new metal roof over shingles. Make a slat board base on top of the shingles. 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. 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.

In a new construction metal shingle roofing can be installed over any type of solid sheeting such as plywood or wooden planks boards that do not have spaces in between them. How to install a metal roof over shingles. Use a starter strip or cut pieces for a starter course. Yes you can 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.

Most metal shingles will be attached to the roof using metal shingle. Another added benefit is that the layers of your old roof will further insulate your home. As long as the plywood under the shingle roof is in good condition this way can provide many benefits. Yes you can install a metal roof over shingles.

The second way to install a metal roof over a shingle roof is with the use of purlins or battens. Things to know about metal over shingle roof problems. However you ll want to check with your local building department before you make any decisions. This method has its benefits as well.