Put Aluminum Flashing Over Existing Garage Door

A self adhered head flashing strip should be installed across the top of the doorway and over the drip cap vertical leg.

Put aluminum flashing over existing garage door.

The head flashing strip should extend a 6 inch minimum over the top of the side jamb flashing material. 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. This allows you to bend the center part of the flashing over the sides of the door to cover the. This helps ensure water has no chance to seep behind and damage the sheathing.

Aluminum capping is also referred to as aluminum cladding and aluminum wrapping. 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. Pan flashing for exterior doors windows rot below a sliding glass door. The carpenter used no pan flashing.

The weather resistive barrier wrb material should be installed over the top of the door head flashing material. Adding aluminum capping around your garage door will make this one less area of exterior home maintenance you ll need to worry about. Capping is the process of applying cut and formed aluminum sheeting over exterior wood trim.