Undersized Garage Lintel Beam — Structural Implications

Undersized or inadequately reinforced garage lintel beams often exhibit noticeable sagging in the opening and wide diagonal or stepped cracking in the adjacent masonry. These symptoms indicate distress due to excessive bending moments and insufficient load-carrying capacity.

The condition becomes critical and potentially dangerous when the lintel supports an occupied floor system or roof structure above. Progressive deterioration or failure can result in partial or total collapse of the supported wall and framing above.

At Revolution Consulting Engineers, we routinely perform structural assessments, load analyses, and retrofit design for compromised lintel beams to ensure compliance with current building code requirements and long-term structural performance.

If you observe sagging in the garage opening or masonry cracking adjacent to the corners of the opening, a professional engineering evaluation is strongly recommended before attempting any repairs.

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