Metal Roofing Directly On Felt

Inspect the plywood for damaged areas.

Metal roofing directly on felt.

The asphalt in the felt paper is waterproof and does a great job of protecting the untreated wood roof sheathing. March 4 2016 at 7 54 am. Sweep the plywood clean of all dirt and debris with a push broom. In most cases what you are doing will be fine.

Most synthetic underlayments are mechanically attached with roofing caps and staples while others have a glue backing. It s low cost and familiarity with the product is why it has been around for so long. The metal has air gaps for ventilating. The quality and type of underlayments used on the project in the long term will affect the overall performance of the roof.

Repair any rotted sections of plywood before installing the metal panels. Architectural metal roofs with felt underlayment are best suited for buildings with proper slope and low moisture loads in dry or arid climates. Metal roofing info roofing felt has always been the underlayment of choice for many roofing contractors and do it yourselfers for many years for the use under metal roofs. Conversely felt underlayment is appropriate in conjunction with ice dam protection at eaves and other critical transitions in cold climates.

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. How to apply metal roofing over plywood step 1. I d not install plastic on the sheathing because it s a vapor barrier. 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.

Remove all unused vents pipes and protrusions. The thermal break created by battens is nice but not. But what some may not know is there s another layer of protection directly on top of the roof deck and under the roof covering that performs a critical role in protecting your home from moisture damage. Most metal roof companies recommend installing felt paper on roof sheathing before you install the metal roofing.

Will i be okay. Thank you very much.