Metal Roof Furring Strip 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.

Metal roof furring strip spacing.

Do i need to do this. Both have stronger holding for fasteners than the sips sheathing. Something is wrong if the lumberyard s 5 8 plywood is cupping. Metal roofing is 38 wide however the panels need to overlap and therefore the actual coverage of the classic panel is 36.

However you can cut the panels with tin snips if you need pieces shorter than 3. So if your rafter length is 16 10 it can be cut. The machinery will not cut panels shorter than 3. Correctly measure the spacing of furring strips for a metal roof to further decrease condensation.

Peter the choice as to whether to use 1x or 2x for furring is probably best decided by how deep a ventilation cavity you need. In most cases furring strips are 1 x 2 or 1 x 3 in size and can be applied both horizontally or vertically. If you re unfamiliar with what a furring strip is it s best described as a long slender strip that s constructed from either wood or metal. The final step is securing a secondary row of furring strips along the roof.

Place it two feet apart from the first row. 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. I built a 12 x20 flat roof shed for storage. Metal furring strips come in two different styles.

Screw fasten the purlins using fasteners directly screwed into the trusses or rafters. Twenty four inches is a common spacing of furring strips for a metal roof. When finished there should be a row of furring strips stretching from one end to another with the top edge aligned at the peak. Someone told me that i had to put felt paper on the furring strips to hold down condensation and that it was also required.

This should then be followed up with galvanized steel hat channel preferred method or 1 x 2 furring strips.