Is It Ok To Install Metal Roof Over Shingles

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.

Is it ok to install metal roof over shingles.

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. However you should only install a metal roof over shingles if you have less than four layers of shingles on the roof. The answer is yes. Metal is the best choice due to its very low weight per square foot and its unique design.

Both metal and shingle roofs are great options for your next roofing project. A metal roof is an alternative to a shingle covered roof but a metal roof can actually be installed over shingles. This method has its benefits as well. However there are some things that you will want to check out before doing it this way.

The second way to install a metal roof over a shingle roof is with the use of purlins or battens. After all you ll be making a significant and long term investment. 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. In a standing seam roof long single panels run vertically all the way from the eave to the ridge.

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. Otherwise you will need to remove the shingles. Most codes allow only two layers of roofing before requiring a complete tear off. One big advantage to metal roofing is that it is light weight which makes it the perfect material to be installed over an existing shingle roof.

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. You need to add furring strips over the top of the shingles so you have something to attach the metal panels to. The purlins are screwed or nailed down to the roof deck depending on how the metal roofing manufacture has testing for their roofing panels and then the metal is installed to the purlins. You shouldn t attach the metal directly to the osb roofing deck.

It depends on the situation. If you are trying to decide between the two materials it s important to carefully look at the metal over shingle roof problems. 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.