Metal Roofing Directly On Felt

How to apply metal roofing over plywood step 1.

Metal roofing directly on felt.

In most cases what you are doing will be fine. 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. The thermal break created by battens is nice but not. Repair any rotted sections of plywood before installing the metal panels.

I d not install plastic on the sheathing because it s a vapor barrier. Most synthetic underlayments are mechanically attached with roofing caps and staples while others have a glue backing. Thank you very much. Sweep the plywood clean of all dirt and debris with a push broom.

It s low cost and familiarity with the product is why it has been around for so long. Most metal roof companies recommend installing felt paper on roof sheathing before you install the metal roofing. The metal has air gaps for ventilating. Conversely felt underlayment is appropriate in conjunction with ice dam protection at eaves and other critical transitions in cold climates.

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. Inspect the plywood for damaged areas. I would like to install my metal sheets directly over the roofing felt without putting down 1 4 runners on the felt. Architectural metal roofs with felt underlayment are best suited for buildings with proper slope and low moisture loads in dry or arid 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. When most people think of roofs they typically think of shingles or metal roofing. March 4 2016 at 7 54 am. Synthetic underlayment is a newer innovation that is taking over the metal roofing industry as a better more advanced replacement for felt underlayment.

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. Will i be okay.