Putting Shingles Over Metal Roof

There are two primary methods implemented when installing metal roofing over shingles.

Putting shingles over metal roof.

Installing the metal roofing over 1x4 s allows the ability to also install additional insulation under the metal roof. Installing metal roofing over shingles 1. This allows the new underlayment to act as a line of defense in the event that water somehow gets under the metal roof. In a standing seam roof long single panels run vertically all the way from the eave to the ridge.

What to consider when putting a steel roof over asphalt shingles. Can you put steel roofing over asphalt. If you want to install steel over asphalt your best choice for installing metal roofing is to use a steel shingle system like the one shown instead of the more common and more expensive standing seam steel. Thus wood strips would be.

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. Need a new roof. It provides a solid flat surface to attach the new metal roof to it creates an air gap between the back of the metal and the shingle roof which allows for airflow. Apply roofing felt all over your roof you need to make the roof as straight as possible.

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. But now that i said that i would tell you that if it was my house i probably would and the reason is i don t want to have all those old shingles under the roof. The first is running new underlayment over an existing shingle roof thus covering the old roof. Determine the measurement of your roof the measurement of your roof will help you know the number of materials you.

The second way to install a metal roof over a shingle roof is with the use of purlins or battens. Well that s why the metal roof is such like an eco friendly product because you don t have to get rid of all of that stuff to the landfills. Use a starter strip or cut pieces for a starter course. However you ll want to check with your local building department before you make any decisions.

Here are some pros and cons. Yes you can install a metal roof over shingles. Attach with nails along the top edge of the strip. By the diy experts of the family handyman magazine.