How To Make A Metal Roof Valley

Then starting at the base of the.

How to make a metal roof valley.

How to measure and cut the metal on a valley for metal roof install. Ensure ice and water protector has been installed along the valley first. To secure the roof valley flashing nail it down carefully. First clean the debris out of the valley including sawdust nails and whatever else is in there.

Fold the top over the roof ridge and cut the bottom along the drip edge metal. Use fasteners to attach the panel to the structure making sure that there is complete compression of the sealant. Use tape sealant between the valley trim and the panel. The valley rafter is marked for a 12 in 17 pitch and then cut with a double bevel to fit into the ridge intersection.

On the common rafters the plumb cut is marked with a framing square for a 12 in 12 pitch 45 and cut square i e no bevel. Only nail at the edges with only enough nails to. Steep slope roofs slope greater than 3 12 cut the panels at an angle for the valley then bend the hem end of the panel and hook it with a cleat.