How To Do A Dormer Roof With Metal

For photos and the four steps to flash a dormer click the view pdf button below.

How to do a dormer roof with metal.

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. Drive nails up through the roof at the corners. Put horizontal flashing across the bottom of a front dormer wall. Place this in the valley on each side of a gable.

Mark the dormer wall layout on the attic floor and make sure the dormer walls are square with the exterior wall of the house. Use a plumb bob to transfer the inside edge of the walls to the underside of the roof. How to install roofing around dormers 1. Because this type of metal flashing can t be soldered making a leak proof joint where the flashing turns the corner at the bottom of the dormer called for special attention but i have a detail that handled the situation nicely.

Fasten one edge of the flashing up the dormer wall. Remove the shingles and the sheathing board from the area of the roof where the dormer will constructed. Mark the inside edges of the dormer s sidewalls in chalk. Affix the tarp to the roof screwing a 2 by 4 5 08 by 10 16 cm over it.

I have my valley custom made with water trough to help with leaking b. Install metal flashing at every dormer roof to main roof connection. Roll the tarp up so you will be prepared in the event of rain. This was overlapped by new housewrap and topped with new properly.