Installing Metal Roofing Over Shingles Shakes

Things to know about metal over shingle roof problems.

Installing metal roofing over shingles shakes.

Use a starter strip or cut pieces for a starter course. The second way to install a metal roof over a shingle roof is with the use of purlins or battens. Work up from the initial row starting at the lower corner in a diagonal pattern staggering the shingles to prevent gaps. 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.

After all you ll be making a significant and long term investment. 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. Should old shingles be removed before new installation.

How to install a metal roof over shingles. 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. Use 1 1 4 inch. You will need to lay some 1 by 4 inch pine boards lengthwise every two feet on your roof.

As long as the plywood under the shingle roof is in good condition this way can provide many benefits. Both metal and shingle roofs are great options for your next roofing project. 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. 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.

This method has its benefits as well. Install your metal edging around the perimeter of your roof. However you ll want to check with your local building department before you make any decisions. Can i install a new metal roof over shingles.

If you are trying to decide between the two materials it s important to carefully look at the metal over shingle roof problems. Make a slat board base on top of the shingles. Install the metal edging. Lay the starter row of metal shingles at the drip edge and affix to the roof with metal roofing nails.

This is by far the most common way to install a metal roof. March 11 2020 by safe harbor roofing reroofing is the practice that involves installing a new roof over an existing one. Attach with nails along the top edge of the strip. 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.