No Furring Strips Under The Tile Roof

For many applications a layer of plywood underneath your metal roofing is an unnecessary expense.

No furring strips under the tile roof.

The gaps in a furring strip roof mean that many of the nails in an asphalt roof will not be. The final step is securing a secondary row of furring strips along the roof. But roofers can install a vented metal roof that eliminates this potential problem. 1 you said some metal roofing should never have firring strips i have certainly seen that with some of the very thin steel or weak aluminum decking which could never stand even a foot of free span over firring strips without crumpling buckling under someone walking on it so they would have to lie flat on the water barrier over the sheathing.

When finished there should be a row of furring strips stretching from one end to another with the top edge aligned at the peak. Furring strips are 4 wide boards that are spaced apart several inches to hold up cedar shakes while allowing them to breathe. They re installed before the tile is laid on the roof and may serve more than one purpose. If trapped between the metal roofing and old roofing moisture can build up and cause mold and rot.

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. Roof battens are thin strips of material that may be made of wood plastic or metal. Place it two feet apart from the first row. 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 does not work well with asphalt shingles because asphalt shingles are designed to go into plywood which has no gaps. Find roof panel closure strips at lowe s today. If there are gaps around the roof penetration or valley points cut extra sections of furring to fit.