Venting the eaves to vent the roof holes are cut in the old roof above the soffit which pulls air through the soffit vents underneath.
How to put shingles over a metal roof.
There s already plenty of advantages by choosing a metal roof and there s even more when you decide to put a metal roof over shingles.
Thus wood strips would be.
Installing metal roofing over shingles 1.
Attach them to your roof with 3 inch wood screws in each corner.
Move from bottom to top.
Make a slat board base on top of the shingles.
You will need to lay some 1 by 4 inch pine boards lengthwise every two feet on your roof.
Apply roofing felt all over your roof you need to make the roof as straight as possible.
Metal roofs have increasingly become a more popular option for homeowners due to their reputation for longevity and curb appeal.