Is It Ok To Install Metal Roofing Over Shingles

Things to know about metal over shingle roof problems.

Is it ok to install metal roofing over shingles.

We get asked this question all the time. If you choose to install metal roofing over shingles there are certain things you must keep in mind. Doesn t provide the flattest surface for the metal roofing to be installed over each course of shingles is about a 1 8 higher than the course just below it. Address any existing roof leaks and replace rotten rafters or.

What s involved in how to install metal roofing. Anatomy of a steel roof. If you are trying to decide between the two materials it s important to carefully look at the metal over shingle roof problems. 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.

March 11 2020 by safe harbor roofing reroofing is the practice that involves installing a new roof over an existing one. Codes vary so call your local building department to know how to install metal roofing over shingles properly code wise. After all you ll be making a significant and long term investment. The second way to install a metal roof over a shingle roof is with the use of purlins or battens.

This is what it looks like when you install a steel shingle roof system over an existing asphalt shingle roof. Otherwise you will need to remove the shingles. Before you reshingle a roof read our step by step guide for adding new shingles over old ones. Beveled wood pieces called horsefeathers must be laid along the thick edges of the shakes to make a fairly flat surface.

Installation of metal roofing over shingles. This method has its benefits as well. Can i install a new metal roof over shingles. So the investment.

Asphalt shingles can be laid over cedar shakes or shingles however this is a roofing project best left to pros. A steel roof is a lifetime investment lasting 50 years or more if it s a good one. 3 install 1 4 purlins down over the shingles before installing the metal roof the third way to install a metal roof over shingles is by applying 1 4 purlins over the shingle roof. 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 first here are a few precautions about the underlying material. Codes vary so call your local building department to know how to install metal roofing over shingles properly code wise. A metal roof is an alternative to a shingle covered roof but a metal roof can actually be installed over shingles. We re going to break them down so you know what to look out for.

Should old shingles be removed before new installation.