How Long Do Metal Roofing Screws Last

As the screw is driven into the metal roofing panel the rubber washer effectively becomes a gasket between the roofing panel and the screw.

How long do metal roofing screws last. So once you decide you want a metal roof you ll find yourself having to decide what kind of metal roof system you want. Randyb1986 04 24 2011 seeyou 04 09 2011. The panels are fastened down using screws and washers screwed through the face of the metal. Theoretically metal roofing screws keep water out by compressing a rubber washer at the base of the screw head against the metal roofing panel.

Metal roofing is incredibly durable but it isn t indestructible. Screw down panels don t come with the kynar 500 painted finish. Exposed as it is to the elements it can weather and age. A metal roof should last as long as your house.

Some components will not last as long as others and sometimes things just happen like softball sized hail or 60 mph winds blowing sand across the finish. 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 line. I think barn metal looks cheap on a house roof use standing seam and forget about screws or nails with washers the following 3 users say thank you to chcroofing for this useful post. How long does a screw down panel metal roof last.

It s screwed down with the fasteners exposed. This is where the standing seam vs screw down panel argument comes into play. The edpm washer is not a band aid it s a part of this roofing system design and most of the. Be sure the larger edge is laid so that the small edge of the next panel will overlap it.

But you will need to make sure your screws retain their seal and do not come loose. It depends on the quality of installation but on average exposed fastener metal roofs which do indeed use edpm washers if not of very low quality and life expectancy are a 15 25 year roof while a quality standing seam job is a 50 year roof. A screw down panel exposed fastener metal roof is just what it s called. Traditional asphalt roofing materials have an estimated life expectancy of roughly 12 20 years.

Properly installed metal roofs can last 30 40 even 50 years.