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.

Furring strip spacing for metal roof.

This should then be followed up with galvanized steel hat channel preferred method or 1 x 2 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. Make chalk marks along the side of the valley about an inch fro the. Make sure that the wood strips are the right.

How do you install furring strips on a metal roof. Screw fasten the purlins using fasteners directly screwed into the trusses or rafters. 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 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.

When installing a metal roof over an existing roof before installing the. Place corner pieces where panels will meet bends at the edge of the roofing. Experienced do it yourselfers can use a nail gun with 8d nail clips instead of a hammer and nails. Begin with the roof valleys.

Always place fasteners in the flat of the metal roofing. Use a tool belt that has a hammer loop to hold nails a measuring tape chalk line and a hammer when installing the wood. When re roofing a shingle roof with metal do not install the metal roofing directly on a shingle roof. Create a chalk map.

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