Question
What is a soffit in concrete construction?
Expert Answer
The soffit is the underside of any construction element, such as a concrete slab, beam, or staircase. In concrete repair, soffits are critical areas because spalling here poses an immediate danger of falling debris to people or vehicles below. Repairing soffits requires thixotropic (non-sag) mortars or form-and-pour techniques to ensure the repair material stays in place against gravity while curing.
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