Furring Strip Spacing For Metal Roof

We recommend installing furring strip 1x4 s down then applying single bubble wrap overtop of the strips and finally installing the metal roof.

Furring strip spacing for metal roof.

Installing furring strips for metal roofing. Screw fasten the purlins using fasteners directly screwed into the trusses or rafters. When re roofing a shingle roof with metal do not install the metal roofing directly on a shingle roof. Experienced do it yourselfers can use a nail gun with 8d nail clips instead of a hammer and nails.

How do you install furring strips on a metal roof. Always place fasteners in the flat of the metal roofing. Use 1 1 4 inch nails to cover the outline of the roof with strips of metal eave flashing also called edging. When installing a metal roof over an existing roof before installing the.

Begin with the roof valleys. Place the primary furring strips. If you opt to put the metal roof atop current roof shingles it needs to be done in combination with a synthetic underlayment recommended. 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.

Make sure that the wood strips are the right. 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. This should then be followed up with galvanized steel hat channel preferred method or 1 x 2 furring strips. Create a chalk map.

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.