Installing Metal Roof Over Rafters

My rafters are in place and now i m getting ready to purchase and install my flashing and sheathing.

Installing metal roof over rafters.

If you have an assistant have him hold it while you climb to the roof. Place the first screw. Put on your safety equipment including gloves safety goggles and the roofer s harness. 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.

This point is critical as subsequent trusses will be attached via lateral and diagonal bracing members to the first truss says dunbar. Close or seal off the ends with a wood or plastic strip under the panel at each end. To install it slide the flat wide. For exposed fasteners avoid over tightening the fastener.

It is important to. I m in the process of installing a metal roof over an outside deck. In some cases however the exact spacing of the rafters doesn t matter if the roof has other means of supporting the metal panels. Use your neoprene washer head screws to secure the metal to the sheathing.

Brace the ladder securely. In this installation the vapor barrier is installed on the side of the insulation nearest the interior of the building. Be sure the larger edge is laid so that the small edge of the next panel will overlap it. If the roof is a hip style the 1 hip girder would be the starting point.

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. 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. Place them directly onto purlins that are attached to the roof trusses beginning on the outside edge. My rafters are in place and now i m getting ready to purchase and install my flashing and sheathing.

This allows the panels to be securely attached to the rafters for maximum stability. An initial metal truss roof installation step is deciding which end or location of the building to start with. 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. How to install a metal roof over open rafters step 1.

These will stop the entry of rain wind and pests. I m in the process of installing a metal roof over an outside deck. Install the roofing screws vertically along each rib in the panel.