Determine the required lintel size and load capacity for an opening in a masonry wall based on span and load.
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Width of the door or window opening.
Additional concentrated load above the lintel (if any).
Clear span of the lintel including bearing length.
How this calculator works
Estimates the uniformly distributed load on the lintel from the masonry above the opening using tributary area and span. The result is compared against standard lintel load ratings.
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