Garage Door Lintel Size
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.
Garage door lintel size. We have limited spans to 12 0 for economical angle sizes. Supreme concrete prestressed lintel r15210 2100 x 140 x 100mm. Strength of steel lintels does not govern in these tables. Longer spans such as those over garage doors should be designed by a structural engineer to carry brick floor and roof loads.
The lintellift system is a patented product that ensures garage door lintels or headers won t sag. Garage door lintel span 18 and is on the gable end. If you are installing a 9 wide door the opening will be 9 3 wide. If the door is 7 tall frame the opening 7 1 5.
Ironmongery knobs handles security locks fittings accessories. Add 150mm minimum bearing to each end. L 600 or 0 3 max. The clear span between the masonry supports.
Frame the rough opening to a height that is 1 5 taller than the door that you have selected. We currently use a 4 x6 x 1 2 lintel with a span of 204 for masonry support over 16 garage door openings. Maxi lintel 140 x 90 x 2400mm. Measure the size of the structural opening i e.
Sagging garage door header lift system. Garage is 26 x 30. We use 3 4 x 6 lags and we use 16 of them in to the glulam headers. Frame the rough opening to 3 inches wider than the garage door size you have selected.
When a garage door lintel fails it causes the brick wall being supported to sag leaving a noticeable crack right above the garage door.