Metal Roof On Plywood Decking

Can i install the metal roof over the ice shield or do i need the 1 x 4 battens every 2 feet as well it s a low slope roof thus the ice shield for extra protection.

Metal roof on plywood decking.

In a barn shop or other outbuilding you can attach your metal roof directly to the purlins. 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. I have removed all the old shingles from the roof boards not plywood the roof is in great shape and have installed an ice shield over the roof. Remove all unused vents pipes and protrusions.

The quality and type of underlayments used on the project in the long term will affect the overall performance of the roof. For many applications a layer of plywood underneath your metal roofing is an unnecessary expense. Selecting the right underlayments for a lifetime metal roof should be a primary concern for anyone thinking about specifying or choosing to install a metal roof on their home. 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.

Our new smooth series cellular deck offers a blemish free beam to pan rivet. I m in the process of installing a metal roof over an outside deck. My rafters are in place and now i m getting ready to purchase and install my flashing and sheathing. Repair any rotted sections of plywood before installing the metal panels.

How to apply metal roofing over plywood step 1. Considering when to.