Will need to install your metal roof.
Metal roof strapping spacing.
A metal roof must also allow for some overlap on each side of the panels which will reduce the effective width of the panel.
Standing double locking seam does this tend to sweat on top of asphalt shingles.
To determine how far apart to set rafters measure the width of the metal panel and then the width of the first hill and valley of the panel.
In case some moisture finds its way into the roof.
We are in the process of contacting contractors regarding the installation of a metal roof on our home and with each contractor that comes to the house we are getting more and more confused.
Should it be installed over the existing asphalt or strapping 2.
The gauge of the metal 24.
Twenty four inches is a common spacing of furring strips for a metal roof.
12 if installing over existing shingles the roof should be strapped with minimum 1 x 4 strapping at 24 centres panel installation should begin at the gable end of the roof opposite the prevailing rain bearing.
Wider panels allow for greater spacing between rafters.
Question from june in new hampshire.
26 or 29 is a variable that must be considered as is the type of fastener and the pitch of the roof.
Place corner pieces where panels will meet bends at the edge of the roofing.
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.
Edit answer for another 41 minute you need to check the installation instructions from the manufacturer depending on whether the purlins firring strips are 1x or 2x material and how wide thickness metal gage of roofing steel or aluminum type of seams design wind and snow loading whether designed to be walked on or not etc i have seen it vary from as little as 4 inches clear gap between firring strips on lightweight aluminum to as much as 4 feet on very heavy gage steel.
Correctly measure the spacing of furring strips for a metal roof to further decrease condensation.
Wide holds down the roofin case of severe wind uplift.
Use 1 1 4 inch nails to cover the outline of the roof with strips of metal eave flashing also called edging.
Galvanized sheet steel strapping about 1 1 2 in.
