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.
Sagging garage door header repair.
Take down any trim or any external pieces of wood which are not part of the garage door header.
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.
The best way to fix this problem is to replace the header.
When a garage door lintel fails it causes the brick wall being supported to sag leaving a noticeable crack right above the garage door.
Make sure the lips of the tracks are not flattened or damaged.
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.
Take out the header by sawing through the center piece.
The lintellift system fixes this issue by adding support underneath the sagging lintel.
Mark donovan of home addition plus shows how to fix a sagging garage door header in this video.
There are things you can do yourself to fix the problem although they may not be as permanent as having a professional fix it.
Using a ladder visually inspect both of the garage door tracks.
The tracks keep the garage door rollers in line and in place.
Step 1 remove the garage door header.
If so bend the track inwards back into place with a pair of pliers or linemen.
For new construction the lintellift system can be installed and pre stressed prior to laying the brickwork then released after.
Support the ceiling of the garage using some lumber.
The header is made from 2 2x12 s and it looks like someone came along and scabbed a 3rd 2x12 on.
The lintellift system is a patented product that ensures garage door lintels or headers won t sag.
The garage door is 16ft wide.
To slide the header in place steve used a spare 2 6 to push the header up and a maul sledge hammer to push the header over.
A sagging garage header is essentially a structural engineering problem.
The guys repeated the process for the last 2 10 and put four nails every 16 oc.