Replace Garage Door Header

Remove the old header.

Replace garage door header.

And you do that right inside the garage door. Take down any trim or any external pieces of wood which are not part of the garage door header. The best way to fix this problem is to replace the header. The old header came free without too much trouble.

Step 1 remove the garage door header. Once the glue has dried the header is ready to be cut to length and installed in wall framing. Build a temporary wall. Support the ceiling of the garage using some lumber.

The new header will consist of. 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. The lintellift system is a patented product that ensures garage door lintels or headers won t sag.

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. You can t replace a 16 chunk of it and retain any structural integrity. 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.

How to replace a load bearing door header step 1. It is a good idea to sandwich 1 2 plywood or osb between the pieces of 2x dimension lumber. The assembled header can be clamped or laid flat under a weight to allow the glue to dry thoroughly. If any portion of your garage door header has rotted or softened due to water exposure you need in replace the entire header.

Do this with plywood strips layered between the three 1 1 2 inch by 11 1 2 inch boards.