How To Install Metal Roof Around Dormer

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

How to install metal roof around dormer.

Put horizontal flashing across the bottom of a front dormer wall. 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 line. Place this in the valley on each side of a gable. Drip edge metal valley flashing dormer chimney and kick out flashing shed water away from the connections between roofs walls chimneys and other building assemblies this collection of 18 articles animations and videos identifies the critical roof flashing areas illustrates durable roof flashing details and shows how to flash roofs.

Fasten one edge of the flashing up the dormer wall. Mosby installed an ice and water shield at the roof transition from the front porch and along the roof gutter line. Use a plumb bob to transfer the inside edge of the walls to the underside of the roof. Be sure the larger edge is laid so that the small edge of the next panel will overlap it.

In this video i m installing some metal roofing over an existing ash fault shingled roof. How to install roofing around dormers 1. Install metal flashing at every dormer roof to main roof connection. Outside the house the new vinyl siding on the side of dormer and the new roofing in a large area around the leak area were removed and saved for re installation.

Mark the dormer wall layout on the attic floor and make sure the dormer walls are square with the exterior wall of the house. Drive nails up through the roof at the corners.