Replace Garage Door Header

The best way to fix this problem is to replace the header.

Replace garage door header.

Step 1 remove the garage door header. Before removing anything else steve and his crew built a temporary wall to support. The lintellift system fixes this issue by adding support underneath the sagging lintel. The old header came free without too much trouble.

The lintellift system is a patented product that ensures garage door lintels or headers won t sag. How to replace a load bearing door header step 1. Take out the header by sawing through the center piece. By using a steel beam there is less chance of a re occurrence in the sag.

To install the extra header jack your door up to correct the sag and bolt in the beam. When a garage door lintel fails it causes the brick wall being supported to sag leaving a noticeable crack right above the garage door. Remove the old header. It is a good idea to sandwich 1 2 plywood or osb between the pieces of 2x dimension lumber.

Once the glue has dried the header is ready to be cut to length and installed in wall framing. You can go with a wooden brace but depending on the load on your garage door header the sag could reoccur overtime. Support the ceiling of the garage using some lumber. Do this with plywood strips layered between the three 1 1 2 inch by 11 1 2 inch boards.

If any portion of your garage door header has rotted or softened due to water exposure you need in replace the entire header. And you do that right inside the garage door. You can t replace a 16 chunk of it and retain any structural integrity. 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.

Take down any trim or any external pieces of wood which are not part of the garage door header.