Putting Metal Roofing Over Shingles

Both metal and shingle roofs are great options for your next roofing project.

Putting metal roofing over shingles.

The second way to install a metal roof over a shingle roof is with the use of purlins or battens. Otherwise you will need to remove the shingles. 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. However you should only install a metal roof over shingles if you have less than four layers of shingles on the roof.

Installing the metal roofing over 1x4 s allows the ability to also install additional insulation under the metal roof. The second benefit is that it acts as a. Installing a new metal roof over an old shingled roof also affects bridger steel s warranties because the abrasions from the rocks on shingles can cause backside wear as the metal expands and contracts from both hot and cold weather. This method has its benefits as well.

In a standing seam roof long single panels run vertically all the way from the eave to the ridge. Another added benefit is that the layers of your old roof will further insulate your home. Disadvantages of metal roofs. After all you ll be making a significant and long term investment.

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. 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. A metal roof is an alternative to a shingle covered roof but a metal roof can actually be installed over shingles. Things to know about metal over shingle roof problems.

Advantages of metal roofs over shingles. 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. Can i install a new metal roof over shingles. There are two primary methods implemented when installing metal roofing over shingles.

Metal roofs over shingles will also provide an extra layer covering your home helping to further insulate it. This allows the new underlayment to act as a line of defense in the event that water somehow gets under the metal roof.