How To Install Metal Roofing On Rafters

I was planning on putting plywood over the rafters and cross the rafters with a 2 x4 every 16 to secure the metal roof to.

How to install metal roofing on rafters.

Snap a chalk line across the rafters where the blocking will go and then work your way across the joists measuring and notating the lengths of blocking you ll need. Add the metal panels. They are installed on top of the roof rafters with a felt underlayment or vapor barrier installed on top. Drill the holes out and then place one of the sides also marking the holes and drilling them out.

Installation is similar to rafters. Put on your safety equipment including gloves safety goggles and the roofer s harness. Purlins are 2 by 4 feet and are installed much like metal roofing. The edging or eave flashing consists of metal strips that are used to cover the perimeter of the roof.

Always begin working at the point with the longest peak to eave distance. Be sure the larger edge is laid so that the small edge of the next panel will overlap it. I m in the process of installing a metal roof over an outside deck. Place the base on the work surface and then place a truss plate at the end.

If you have an assistant have him hold it while you climb to the roof. Take your first sheet of. How to install a metal roof over open rafters step 1. As with the rafter make sure you drive the screw in at the point where the top plate and wall stud meet.

Next you are ready to install the metal roof. Use the holes and guide and make a pencil mark. Place the truss plate and then install the bolts. Experienced do it yourselfers can use a nail gun with 8d nail clips instead of a hammer and nails.

Place the first screw. It is important to. Metal roof purlins are installed horizontally under metal roofs. The eave flashing or edging is just the steel metal strips used to cover the entire perimeter of the roof.

Only you re driving the 6 screw through the underside of the top plate into the top and bottom chords of the truss instead of into the rafter. Use your 1 1 4. If rafter spans are less than 8 feet headers perpendicular rafters nailed across the rafter ends are adequate for rafters that sit on top of beams. You can use 1 inch nails for the installation of eave flashing.

Brace the ladder securely. When installing a metal roof over an existing roof before installing the. Use a tool belt that has a hammer loop to hold nails a measuring tape chalk line and a hammer when installing the wood. You are essentially sealing off the metal roof with this flashing and you need to make sure that is securely fastened.

They give added support to the roof and also provide a nailing surface for the end panels and drip edge.