The clear span between the masonry supports.
Garage door lintel size.
Longer spans such as those over garage doors should be designed by a structural engineer to carry brick floor and roof loads.
There is a floor above but floor joists are parallel to lintel so not picking up floor load are at least minimally picking up load.
Strength of steel lintels does not govern in these tables.
L 600 or 0 3 max.
Garage door lintel span 18 and is on the gable end.
If the door is 7 tall frame the opening 7 1 5.
Interior doors internal doors fire doors door blanks.
Sagging garage door header lift system.
Door frames linings linings casings.
We have limited spans to 12 0 for economical angle sizes.
Supreme concrete prestressed lintel r15210 2100 x 140 x 100mm.
Example lintel length 150 1800 150 2100mm.
When a garage door lintel fails it causes the brick wall being supported to sag leaving a noticeable crack right above the garage door.
Measure the size of the structural opening i e.
If you are installing a 9 wide door the opening will be 9 3 wide.
Garage is 26 x 30.
Frame the rough opening to a height that is 1 5 taller than the door that you have selected.
The lintellift system is a patented product that ensures garage door lintels or headers won t sag.
Frame the rough opening to 3 inches wider than the garage door size you have selected.
Maxi lintel 140 x 90 x 2400mm.
We currently use a 4 x6 x 1 2 lintel with a span of 204 for masonry support over 16 garage door openings.