Before you reshingle a roof read our step by step guide for adding new shingles over old ones.
Do it yourself metal roofing over shingles.
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.
Lay the starter row of metal shingles at the drip edge and affix to the roof with metal roofing nails.
Work up from the initial row starting at the lower corner in a diagonal pattern staggering the shingles to prevent gaps.
Asphalt shingles can be laid over cedar shakes or shingles however this is a roofing project best left to pros.
Steel roofing offers many benefits over slate tiles or asphalt shingles metal roofing is resistant to fire rot and termites manufacturers provide 30 year warranties on metal roofing products.
Installing steel roofing over existing roofing materials is fairly simple.
A metal roof is an alternative to a shingle covered roof but a metal roof can actually be installed over shingles.
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.
Otherwise you will need to remove the shingles.
However you should only install a metal roof over shingles if you have less than four layers of shingles on the roof.
Address any existing roof leaks and replace rotten rafters or.
If you choose to install metal roofing over shingles there are certain things you must keep in mind.
Before you install metal roofing repair any damage to the wood under the shingles.
But first here are a few precautions about the underlying material.
Metal roofing is also available in the form of shingles.
Make sure roof is square.
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.
We re going to break them down so you know what to look out for.
Next use 1 inch nails to secure some metal edging to the perimeter of the roof.