Metal Roof Furring Strip Spacing

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

Metal roof furring strip spacing.

However you can cut the panels with tin snips if you need pieces shorter than 3. Both have stronger holding for fasteners than the sips sheathing. If you opt to put the metal roof atop current roof shingles it needs to be done in combination with a synthetic underlayment recommended. The final step is securing a secondary row of furring strips along the roof.

Someone told me that i had to put felt paper on the furring strips to hold down condensation and that it was also required. Metal roofing is 38 wide however the panels need to overlap and therefore the actual coverage of the classic panel is 36. This should then be followed up with galvanized steel hat channel preferred method or 1 x 2 furring strips. Place it two feet apart from the first row.

So if your rafter length is 16 10 it can be cut. I put 2 x4 furring strips on the rafters to hold down cost. 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. When finished there should be a row of furring strips stretching from one end to another with the top edge aligned at the peak.

If you are using 5 8 sheathing above you can go to 24 oc furring without using h clips. If there are gaps around the roof penetration or valley points cut extra sections of furring to fit. Correctly measure the spacing of furring strips for a metal roof to further decrease condensation. The machinery will not cut panels shorter than 3.

In most cases furring strips are 1 x 2 or 1 x 3 in size and can be applied both horizontally or vertically. Do i need to do this. Something is wrong if the lumberyard s 5 8 plywood is cupping. 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.

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.