Furring Strip Spacing For Metal Roof

Screw fasten the purlins using fasteners directly screwed into the trusses or rafters.

Furring strip spacing for metal roof.

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. Installing furring strips for metal roofing. How do you install furring strips on a metal roof. This should then be followed up with galvanized steel hat channel preferred method or 1 x 2 furring strips.

Begin with the roof valleys. When installing a metal roof over an existing roof before installing the. Always place fasteners in the flat of the metal 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.

We recommend installing furring strip 1x4 s down then applying single bubble wrap overtop of the strips and finally installing the metal roof. Make sure that the wood strips are the right. Make chalk marks along the side of the valley about an inch fro the. Create a chalk map.

Experienced do it yourselfers can use a nail gun with 8d nail clips instead of a hammer and nails. If you opt to put the metal roof atop current roof shingles it needs to be done in combination with a synthetic underlayment recommended. Place corner pieces where panels will meet bends at the edge of the roofing. When re roofing a shingle roof with metal do not install the metal roofing directly on a shingle roof.

Use 1 1 4 inch nails to cover the outline of the roof with strips of metal eave flashing also called edging.