Put Aluminum Flashing Over Existing Garage Door

The carpenter used no pan flashing.

Put aluminum flashing over existing garage door.

This aluminum sill for a sliding glass door was installed over the plywood subfloor of the author s new york offices in the 1970 s. To install the flashing cut pieces of building paper and self adhesive flashing to fit and install them in the correct order bottom sides top around the opening. Pan flashing for exterior doors windows rot below a sliding glass door. Below our next photo shows the extensive rot that ensued.

Cut half inch notches into the z flashing on both ends where the flashing bends using the tin snips. Adding aluminum capping around your garage door will make this one less area of exterior home maintenance you ll need to worry about. The head flashing strip should extend a 6 inch minimum over the top of the side jamb flashing material. What is aluminum capping.

The weather resistive barrier wrb material should be installed over the top of the door head flashing material. Aluminum capping is also referred to as aluminum cladding and aluminum wrapping. This allows you to bend the center part of the flashing over the sides of the door to cover the.