Metal Roofing Directly On Felt

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.

Metal roofing directly on felt.

Most synthetic underlayments are mechanically attached with roofing caps and staples while others have a glue backing. The thermal break created by battens is nice but not. Inspect the plywood for damaged areas. The metal has air gaps for ventilating.

The asphalt in the felt paper is waterproof and does a great job of protecting the untreated wood roof sheathing. Will i be okay. Most metal roof companies recommend installing felt paper on roof sheathing before you install the metal roofing. 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.

When most people think of roofs they typically think of shingles or metal roofing. Thank you very much. In most cases what you are doing will be fine. It s low cost and familiarity with the product is why it has been around for so long.

Remove all unused vents pipes and protrusions. I d not install plastic on the sheathing because it s a vapor barrier. Repair any rotted sections of plywood before installing the metal panels. How to apply metal roofing over plywood step 1.

March 4 2016 at 7 54 am. Architectural metal roofs with felt underlayment are best suited for buildings with proper slope and low moisture loads in dry or arid climates. The quality and type of underlayments used on the project in the long term will affect the overall performance of the roof. Synthetic underlayment is a newer innovation that is taking over the metal roofing industry as a better more advanced replacement for felt underlayment.

I would like to install my metal sheets directly over the roofing felt without putting down 1 4 runners on the felt. Conversely felt underlayment is appropriate in conjunction with ice dam protection at eaves and other critical transitions in cold climates.