Metal Roofing Directly On Plywood

Repair any rotted sections of plywood before installing the metal panels.

Metal roofing directly on plywood.

Also there are numerous better underlayment products as mentioned above including grace products and a host of others all better than felt. Install the roofing screws vertically along each rib in the panel. Sweep the plywood clean of all dirt and debris with a push broom. For many applications a layer of plywood underneath your metal roofing is an unnecessary expense.

But it seems the condensation will affect the 2x4 strapping. In a barn shop or other outbuilding you can attach your metal roof directly to the purlins. Inspect the plywood for damaged areas. I was planning on putting plywood over the rafters and cross the rafters with a 2 x4 every 16 to secure the metal roof to.

How to apply metal roofing over plywood step 1. Hi todd i have a pole barn design structure that had been turned into a livable dwelling with cathedral ceilings using rigid foam between the metal roof and the ceiling sheetrock i am redoing this and putting a decking down with tyvek protec 200 and then reattaching the metal roof and adding circular pest resistant soffit vents at the end rafters of the roof between purlins for ventilation. Do you need plywood under metal roofing. Remove all unused vents pipes and protrusions.

Considering when to. Place the first screw. Align the first metal roofing panel so that it overlaps the edging by 1 2 to 3 4 of an inch and is square to the roof.