Installing Metal Roof Over Rafters

It is important to.

Installing metal roof over rafters.

In this installation the vapor barrier is installed on the side of the insulation nearest the interior of the building. 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. 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. 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.

This allows the panels to be securely attached to the rafters for maximum stability. My rafters are in place and now i m getting ready to purchase and install my flashing and sheathing. How to install a metal roof over open rafters step 1. This point is critical as subsequent trusses will be attached via lateral and diagonal bracing members to the first truss says dunbar.

I m in the process of installing a metal roof over an outside deck. These will stop the entry of rain wind and pests. Space the screws about 12 in 30 cm apart. Put on your safety equipment including gloves safety goggles and the roofer s harness.

If the roof is a hip style the 1 hip girder would be the starting point. In some cases however the exact spacing of the rafters doesn t matter if the roof has other means of supporting the metal panels. Make sure that the screws are all aligned evenly as you will be able to see them from the ground if they are. 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. Close or seal off the ends with a wood or plastic strip under the panel at each end. For exposed fasteners avoid over tightening the fastener. My rafters are in place and now i m getting ready to purchase and install my flashing and sheathing.

Place the first screw. Install the roofing screws vertically along each rib in the panel. Brace the ladder securely. To install it slide the flat wide.

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. Be sure the larger edge is laid so that the small edge of the next panel will overlap it. Use your neoprene washer head screws to secure the metal to the sheathing.