Twenty four inches is a common spacing of furring strips for a metal roof.
Metal roof furring strip spacing.
If there are gutters installed on the eaves the eave flashing should be installed to overhang the lip of the gutter by about 1 2 inch.
But roofers can install a vented metal roof that eliminates this potential problem.
This should then be followed up with galvanized steel hat channel preferred method or 1 x 2 furring strips.
If trapped between the metal roofing and old roofing moisture can build up and cause mold and rot.
Place corner pieces where panels will meet bends at the edge of the roofing.
Of course with metal shingles as opposed to panel roofing the mounting or engagement strip if used or shingles if no mounting strip should lie flat on the water barrier or bridge across up and down slope firring strips at the manufacturer specified spacing.
If you opt to put the metal roof atop current roof shingles it needs to be done in combination with a synthetic underlayment recommended.
For those that.
If you hire a contractor they can explain all of this to you.
Are furring strips always used when installing a metal roof over asphalt shingles has anyone dealt with ksl roofing located in latrobe pa for putting on a metal roof replacing windows ceilings.
Correctly measure the spacing of furring strips for a metal roof to further decrease condensation.
They are compatible with many different kinds of synthetic underlayment.
Use 1 1 4 inch nails to cover the outline of the roof with strips of metal eave flashing also called edging.