Furring Strips Under Metal Roof

Experienced do it yourselfers can use a nail gun with 8d nail clips instead of a hammer and nails.

Furring strips under metal roof.

If trapped between the metal roofing and old roofing moisture can build up and cause mold and rot. Gibraltar building products 3 ft. Place the primary furring strips. When installing a metal roof over an existing roof before installing the.

Or installing the new metal roofing over furring strips 1 x 3s or similar will raise the metal and provide a ventilating air pocket between layers. If talking strip metal roofing like standing or raised seam then i can t imaging getting an even final. Begin with the roof valleys. Outside closure strip for shelterguard metal roofing panels 4 bag model 6999231000.

But roofers can install a vented metal roof that eliminates this potential problem. Create a chalk map. If talking metal shingles then putting them over existing asphalt shingles would be basically the same approach as putting on a second layer of asphalt shingles same issues same technique basically except they fasten a bit different and firring strips would generally not be used in my experience of seeing it done not that i would generally ever second layer with metal myself. Make sure that the wood strips are the right.

Inside closure strip foam sm rib roof accessory in black 4 pack model 98190. If you opt to put the metal roof atop current roof shingles it needs to be done in combination with a synthetic underlayment recommended. Installing furring strips for metal roofing. Screw fasten the purlins using fasteners directly screwed into the trusses or rafters.

How do you install furring strips on a metal roof. For many applications a layer of plywood underneath your metal roofing is an unnecessary expense. Make chalk marks along the side of the valley about an inch fro the. Metal roofing panels rated for architectural use attached to purlins horizontal pieces of wood or metal fastened to roofing trusses are structurally sound when installed according to your roofing manufacturer s instructions and local building codes.

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