Strapping A Roof For Metal

We are in the process of contacting contractors regarding the installation of a metal roof on our home and with each contractor that comes to the house we are getting more and more confused.

Strapping a roof for metal.

The metal will last longer than the plastic but cost about four times as much. Standing double locking seam does this tend to sweat on top of asphalt shingles. Should it be installed over the existing asphalt or strapping 2. Manufacturers provide 30 year warranties on metal roofing products.

While decking is not required for a metal roof and is often not used for shops barns or other outbuildings if a metal roof is being put onto a home or a garage the use of decking is common. The plywood covers the entire roof and is solidly attached to the rafters providing a sturdy base for both insulation and metal roofing panels. Place the first screw. 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.

Use a tool belt that has a hammer loop to hold nails a measuring tape chalk line and a hammer when installing the wood. They both screw down to the surface of the roof about a foot up from the eve. They come in plastic or metal that will match the color of your roof. At a guess i would place the strapping no further apart than 16.

The eave flashing or edging is just the steel metal strips used to cover the entire perimeter of the roof. Metal roofing is resistant to fire rot and termites. When installing a metal roof over an existing roof before installing the. You can use 1 inch nails for the installation of eave flashing.

Question from june in new hampshire. Installing steel roofing over existing roofing materials is fairly simple. The gauge of the metal 24. Use furring strips to build a slat board on the roof then mount the steel sheets to the slat board.

Place snow guards on the roof. Next you are ready to install the metal roof. You are essentially sealing off the metal roof with this flashing and you need to make sure that is securely fastened. 26 or 29 is a variable that must be considered as is the type of fastener and the pitch of the roof.