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.

Installing metal roof over rafters.

To install it slide the flat wide. 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. For exposed fasteners avoid over tightening the fastener. This allows the panels to be securely attached to the rafters for maximum stability.

Install the roofing screws vertically along each rib in the panel. Place them directly onto purlins that are attached to the roof trusses beginning on the outside edge. 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. Close or seal off the ends with a wood or plastic strip under the panel at each end.

In some cases however the exact spacing of the rafters doesn t matter if the roof has other means of supporting the metal panels. If the roof is a hip style the 1 hip girder would be the starting point. It is important to. 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 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. Use your neoprene washer head screws to secure the metal to the sheathing. Brace the ladder securely.

When placing rafters for a tin roof also frequently referred to as corrugated metal or steel it is common to set the distance between rafters based on the size of the roofing panels. Be sure the larger edge is laid so that the small edge of the next panel will overlap it. Put on your safety equipment including gloves safety goggles and the roofer s harness. Space the screws about 12 in 30 cm apart.

I m in the process of installing a metal roof over an outside deck. I m in the process of installing a metal roof over an outside deck. Place the first screw. This point is critical as subsequent trusses will be attached via lateral and diagonal bracing members to the first truss says dunbar.

These will stop the entry of rain wind and pests. If you have an assistant have him hold it while you climb to the roof. An initial metal truss roof installation step is deciding which end or location of the building to start with.