How To Replace Garage Door Header

Cut three pieces of 1 inch by 11 inch lumber to the width measurement of the garage door rough opening plus 12 inches.

How to replace garage door header.

The lintellift system fixes this issue by adding support underneath. This header should be an inch and a half higher than the garage door and 9 inches wider than the door. Tbe row of 6 blocks have a 2 x 10 on top and a 2 x 10 below them. You basically build kind of a fake wall right up to the underside of those rafters to support them between the garage floor and the underside of the rafters while you do the disassembly and replacement of the header.

To install the extra header jack your door up to correct the sag and bolt in the beam. Step 2 replace the header. The lintellift system is a patented product that ensures garage door lintels or headers won t sag. These will help to support the new garage door header.

These 9 foot openings are only supported by a makeshift header consisting of 6 cinder blocks sitting horizontally across the top of the opening. Take some 2x4 s and use these to add 3 rows of supporting frames around the sides of the door and just below the header. By using a steel beam there is less chance of a re occurrence in the sag. You can go with a wooden brace but depending on the load on your garage door header the sag could reoccur overtime.

Push the new header into place. Sagging garage door header lift system. And you do that right inside the garage door.