How To Install Garage Door Flashing

You will want to lap the flashing on the door jambs.

How to install garage door flashing.

If siding is already installed on the exterior of the house remove the section above the door so that you can install the flashing directly against the sheathing. Proper installation would have the flashing installed with a slope to drain the water away. Next comes another layer of building wrap installed like the first layer. The head flashing strip should extend a 6 inch minimum over the top of the side jamb flashing material.

Learn how to install our vinyl thermostop garage door trim. Install the trim just under the drip cap. How to install z flashing on an exterior door. At the top tuck metal drip cap flashing under the siding and on top of the second layer of wrap.

The flashing will need to overlap the edges of the sill and go down past it by at least one inch. See attachment i see siding installed tightly on top of the flashing. An important part of installing new doors and windows on your home is properly sealing them. Install each additional small siding piece in the gap between the garage door and the corner in the same way you installed the first piece.

A self adhered head flashing strip should be installed across the top of the doorway and over the drip cap vertical leg. When installing the flashing the longer edge goes against the wall of the house the center section rests on top of the casing and the short edge goes over the front of the casing. The weather resistive barrier wrb material should be installed over the top of the door head flashing material. Apply a bead of caulk to the felt and set the window in the caulk.