Installing Metal Roof Over Rafters

Make sure that the screws are all aligned evenly as you will be able to see them from the ground if they are.

Installing metal roof over rafters.

When using plywood nail it directly to the purlins and screw the metal roofing panels through the plywood into the purlins as instructed by the manufacturer. This point is critical as subsequent trusses will be attached via lateral and diagonal bracing members to the first truss says dunbar. In this installation the vapor barrier is installed on the side of the insulation nearest the interior of the building. Place them directly onto purlins that are attached to the roof trusses beginning on the outside edge.

Put on your safety equipment including gloves safety goggles and the roofer s harness. In some cases however the exact spacing of the rafters doesn t matter if the roof has other means of supporting the metal panels. These will stop the entry of rain wind and pests. I m in the process of installing a metal roof over an outside deck.

If the roof is a hip style the 1 hip girder would be the starting point. Be sure the larger edge is laid so that the small edge of the next panel will overlap it. Install the roofing screws vertically along each rib in the panel. How to install a metal roof over open rafters step 1.

My rafters are in place and now i m getting ready to purchase and install my flashing and sheathing. My rafters are in place and now i m getting ready to purchase and install my flashing and sheathing. An initial metal truss roof installation step is deciding which end or location of the building to start with. Install drip edge drip edge or edge metal is a piece of metal that extends approximately 0 75 inch beyond the roof s edge to channel runoff into your gutters.

Close or seal off the ends with a wood or plastic strip under the panel at each end. Space the screws about 12 in 30 cm apart. This allows the panels to be securely attached to the rafters for maximum stability. Place the first screw.

Use your neoprene washer head screws to secure the metal to the sheathing. If you have an assistant have him hold it while you climb to the roof. To install it slide the flat wide. It is important to.

I m in the process of installing a metal roof over an outside deck. 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. 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.