Steel Roof Dormer Valley

The valley area of a roof the straight lines formed when two different planes of the roof meet is a critical area that handles a tremendous amount of water run off.

Steel roof dormer valley.

How to seal metal roof valley. Installing dormer valley flashing. Closed cut valley fully replaced with new metal valley flashing. I have my valley custom made with water trough to help with leaking b.

When properly installed w valley flashing will reliably channel run off water down the roof and into the gutter. Cut the panels from the ground instead of on the roof to avoid damaging the roof with the debris. To properly install a valley cap the w valley flashing must be notched and installed as shown on this instruction sheet. Avoid the following common errors.

Roof valleys are like gutters with a steep pitch but the stakes are higher for valleys than they are for gutters. Roof shields work with standard valley flashing but w valley style flashings are recommended for the best overall roof system. Valleys are typically found where gable dormer roofs meet the main roof or when a house has angled wings or additions where two roof sections in different planes meet. Failure to extend the entire width of the metal valley flashing beyond the eave of the roof.

Punctures in the center of the valley. W valley flashing protects the critical area of your roof where two slopes come together to form a valley. Roof shields not only provide a permanent seal but they are easy to install saving time and money. Roof mastic applied along sides of valley flashing.

Drip edge metal valley flashing dormer chimney and kickout flashing are types of roof flashing that shed water away from the connections between roofs walls chimneys and other building assemblies. In this video we ll flash the valley. In a previous video we covered how to flash roof edges before shingling. Be sure to check local building codes to ensure you have the proper width for your application.

Fasteners placed in the exposed center area. Best practices for sealing the metal roof valley vary based on the slope of the roof. The top joinery of both valleys when they meet on the same plane of roof is shown here.