Installing A Metal Roof Over Shingles 2016

Can i install a new metal roof over shingles.

Installing a metal roof over shingles 2016.

After all you ll be making a significant and long term investment. 1 remove the shingles before installing the metal roof the first way to install a metal roof over shingles is by completely removing the old shingles before installing the new metal roof. The second way to install a metal roof over a shingle roof is with the use of purlins or battens. The low weight of metal roofing is one thing that encourages this.

Another added benefit is that the layers of your old roof will further insulate your home. Install the metal edging. Install your metal edging around the perimeter of your roof. Lay down roofing felt over the entire roof.

Make a slat board base on top of the shingles. If you are trying to decide between the two materials it s important to carefully look at the metal over shingle roof problems. 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. The flashing should overlap the edge of the roof by one inch to help direct.

Steel shingles weigh about 1 4 what asphalt shingles weigh and aluminum shingles weigh about 1 8 what standard shingles weigh. Start putting the metal panels into place. Getting an accurate measurement will help you determine the exact amount of material. Get a precise measurement of your roof surface.

Install rubber or foam. The vast majority of installations of the metal roofing systems produced by my company are over existing shingles. A benefit to doing it this way is that you can see if there is any rotten plywood that needs to be replaced before installing the new roof. 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.

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. Bend the flashing into a v shape to fit over the top roof ridge and the corners where the panels meet. It helps direct water away from the.

Things to know about metal over shingle roof problems. Flashing is metal trim that fits over joints where two sections of roof meet. This method has its benefits as well. However you ll want to check with your local building department before you make any decisions.