Puting Metal Roof Over Shingles

Ideally a metal tile shake or shingleroof should only be installed over one or at most two layers of existing roofing and providing that the existing roof framing and decking is in good condition.

Puting metal roof over shingles.

Unless building codes require it there is usually no need to tear off the old roof. This is by far the most common way to install a metal roof. Metal roofs over shingles will also provide an extra layer covering your home helping to further insulate it. 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.

After all you ll be making a significant and long term investment. Disadvantages of metal roofs. By jamie lisse a metal roof is an alternative to a shingle covered roof but a metal roof can actually be installed over shingles. Installing metal roofing over shingles is the best solution.

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. Metal roofing is also available in the form of shingles. The metal used for the roof can be tin copper aluminum or steel. Things to know about metal over shingle roof problems.

Advantages of metal roofs over shingles. 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. 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. Both metal and shingle roofs are great options for your next roofing project.

However you should only install a metal roof over shingles if you have less than four layers of shingles on the roof. 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. This method has its benefits as well. As long as the plywood under the shingle roof is in good condition this way can provide many benefits.

Lay the starter row of metal shingles at the drip edge and affix to the roof with metal roofing nails. 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. Otherwise you will need to remove the shingles. Work up from the initial row starting at the lower corner in a diagonal pattern staggering the shingles to prevent gaps.