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Formwork should only be removed when concrete has achieved sufficient strength, typically verified by engineer approval or cube test results. As a general guide, vertical shutters can be struck after 24–48 hours, while soffit supports may remain longer depending on curing conditions.
Ensure tight-fitting joints, use foam or mastic sealing strips, and check all connections before pouring. Applying form release agents evenly and correctly also prevents adhesion and leakage at joints.
