Put Aluminum Flashing Over Existing Garage Door

This helps ensure water has no chance to seep behind and damage the sheathing.

Put aluminum flashing over existing garage door.

Pan flashing for exterior doors windows rot below a sliding glass door. This allows you to bend the center part of the flashing over the sides of the door to cover the. A self adhered head flashing strip should be installed across the top of the doorway and over the drip cap vertical leg. The carpenter used no pan flashing.

Adding aluminum capping around your garage door will make this one less area of exterior home maintenance you ll need to worry about. 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. Capping is the process of applying cut and formed aluminum sheeting over exterior wood trim. Below our next photo shows the extensive rot that ensued.

The head flashing strip should extend a 6 inch minimum over the top of the side jamb flashing material. Cut half inch notches into the z flashing on both ends where the flashing bends using the tin snips. 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.