The best way to fix this problem is to replace the header.
Sagging garage door header.
The lowest point is at the middle and it sags down about 1 2.
This header spans a 6 opening and supports 4 floor joists with 2 stories and a roof above it.
If you notice that your garage door header is starting to sag or has developed cracks then you may have a serious structural problem.
Wait it gets worse.
How to fix sagging garage door header.
The header has a good sag to it.
A sagging garage header is essentially a structural engineering problem.
Sagging garage door header lift system the lintellift system is a patented product that ensures garage door lintels or headers won t sag.
While the most thorough and sure way to eliminate the problem is by getting a structural engineer in to look at the garage take measurements and fix the sag.
When a garage door lintel fails it causes the brick wall being supported to sag leaving a noticeable crack right above the garage door.
Ive asked around at the local lumber stores and was told that 2 2x12 lvl boards with 1 2 inch plywood sandwiched between would be what s needed to replace the header and fix the sag.
Mark donovan of home addition plus shows how to fix a sagging garage door header in this video.
Quick fix bracing a sagging garage beam you what should you expect from a foundation contractor in knoxville tn garage lintel and door header repair sagging garage lintel and door header repair sagging garage lintel and door header repair sagging garage door opening repair settling ing bricks mortar.
The guys quickly found that the header wasn t supporting very much weight as it moved about with only a small amount of pressure.