Strapping A Roof For Metal

Question from june in new hampshire.

Strapping a roof for metal.

26 or 29 is a variable that must be considered as is the type of fastener and the pitch of the roof. 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. Be sure the larger edge is laid so that the small edge of the next panel will overlap it. They come in plastic or metal that will match the color of your roof.

Manufacturers provide 30 year warranties on metal roofing products. The metal will last longer than the plastic but cost about four times as much. Should it be installed over the existing asphalt or strapping 2. Place snow guards on the roof.

At a guess i would place the strapping no further apart than 16. Place the first screw. The plywood covers the entire roof and is solidly attached to the rafters providing a sturdy base for both insulation and metal roofing panels. 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.

Metal roofing is resistant to fire rot and termites. They both screw down to the surface of the roof about a foot up from the eve. 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. Installing steel roofing over existing roofing materials is fairly simple.

The eave flashing or edging is just the steel metal strips used to cover the entire perimeter of the roof. Install the roofing screws vertically along each rib in the panel. You can use 1 inch nails for the installation of eave flashing. Use furring strips to build a slat board on the roof then mount the steel sheets to the slat board.

When installing a metal roof over an existing roof before installing the. Experienced do it yourselfers can use a nail gun with 8d nail clips instead of a hammer and nails. You are essentially sealing off the metal roof with this flashing and you need to make sure that is securely fastened. Use a tool belt that has a hammer loop to hold nails a measuring tape chalk line and a hammer when installing the wood.