Both metal and shingle roofs are great options for your next roofing project.
Puting metal roof over shingles.
Disadvantages of metal roofs.
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.
As long as the plywood under the shingle roof is in good condition this way can provide many benefits.
Otherwise you will need to remove the 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.
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.
Work up from the initial row starting at the lower corner in a diagonal pattern staggering the shingles to prevent gaps.
If you are trying to decide between the two materials it s important to carefully look at the metal over shingle roof problems.
After all you ll be making a significant and long term investment.
Unless building codes require it there is usually no need to tear off the old roof.
By jamie lisse a metal roof is an alternative to a shingle covered roof but a metal roof can actually be installed over shingles.
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.
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.
However you should only install a metal roof over shingles if you have less than four layers of shingles on the roof.
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.
Installing metal roofing over shingles is the best solution.
This method has its benefits as well.
This is by far the most common way to install a metal roof.
In a standing seam roof long single panels run vertically all the way from the eave to the ridge.
Metal roofs over shingles will also provide an extra layer covering your home helping to further insulate it.
The second way to install a metal roof over a shingle roof is with the use of purlins or battens.
The metal used for the roof can be tin copper aluminum or steel.
Metal roofing is also available in the form of shingles.