Puting Metal Roof Over Shingles

3 install 1x4 purlins down over the shingles before installing the metal roof the third way to install a metal roof over shingles is by applying 1x4 purlins over the shingle roof.

Puting metal roof over shingles.

If you are trying to decide between the two materials it s important to carefully look at the metal over shingle roof problems. Both metal and shingle roofs are great options for your next roofing project. 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. Things to know about 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. As long as the plywood under the shingle roof is in good condition this way can provide many benefits. 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. Metal roofing is also available in the form of shingles.

This is by far the most common way to install a metal roof. 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. The second way to install a metal roof over a shingle roof is with the use of purlins or battens. Unless building codes require it there is usually no need to tear off the old roof.

Lay the starter row of metal shingles at the drip edge and affix to the roof with metal roofing nails. Advantages of metal roofs over shingles. By jamie lisse a metal roof is an alternative to a shingle covered roof but a metal roof can actually be installed over shingles. However you should only install a metal roof over shingles if you have less than four layers of shingles on the roof.

In a standing seam roof long single panels run vertically all the way from the eave to the ridge. After all you ll be making a significant and long term investment. Installing metal roofing over shingles is the best solution. Work up from the initial row starting at the lower corner in a diagonal pattern staggering the shingles to prevent gaps.

Disadvantages of metal roofs. Metal roofs over shingles will also provide an extra layer covering your home helping to further insulate it. By placing metal roofing over shingles you can save in the labor costs of ripping them off while also preventing them from being thrown into landfills. The metal used for the roof can be tin copper aluminum or steel.