Steel Roof Dormer Valley

The top joinery of both valleys when they meet on the same plane of roof is shown here.

Steel roof dormer valley.

Be sure to check local building codes to ensure you have the proper width for your application. 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. Roof shields not only provide a permanent seal but they are easy to install saving time and money.

I have my valley custom made with water trough to help with leaking b. In this video we ll flash the valley. 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. Fasteners placed in the exposed center area.

Roof shields work with standard valley flashing but w valley style flashings are recommended for the best overall roof system. Installing dormer valley flashing. Fabral metal wall and roof systems. Best practices for sealing the metal roof valley vary based on the slope of the roof.

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. In a previous video we covered how to flash roof edges before shingling. How to seal metal roof valley.

First clean the debris out of the valley including sawdust nails and whatever else is in there. 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. Punctures in the center of the valley. Closed cut valley fully replaced with new metal valley flashing.

To properly install a valley cap the w valley flashing must be notched and installed as shown on this instruction sheet. Failure to extend the entire width of the metal valley flashing beyond the eave of the roof. Roof mastic applied along sides of valley flashing.