Replace Garage Door Header

The new header will consist of.

Replace garage door header.

And you do that right inside the garage door. The best way to fix this problem is to replace the header. By using a steel beam there is less chance of a re occurrence in the sag. Take out the header by sawing through the center piece.

You can go with a wooden brace but depending on the load on your garage door header the sag could reoccur overtime. Do this with plywood strips layered between the three 1 1 2 inch by 11 1 2 inch boards. Support the ceiling of the garage using some lumber. The lintellift system fixes this issue by adding support underneath the sagging lintel.

When a garage door lintel fails it causes the brick wall being supported to sag leaving a noticeable crack right above the garage door. Take down any trim or any external pieces of wood which are not part of the garage door header. Remove the old header. Build a temporary wall.

Step 1 remove the garage door header. The old header came free without too much trouble. To install the extra header jack your door up to correct the sag and bolt in the beam. It is a good idea to sandwich 1 2 plywood or osb between the pieces of 2x dimension lumber.

How to replace a load bearing door header step 1. 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. The assembled header can be clamped or laid flat under a weight to allow the glue to dry thoroughly. You can t replace a 16 chunk of it and retain any structural integrity.

If any portion of your garage door header has rotted or softened due to water exposure you need in replace the entire header.