A full-scale sample of a material, assembly, or system built on-site for owner and architect review before full installation proceeds.
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In the Field
Mock-ups are required for exterior cladding, tile, masonry, and curtain wall on most commercial projects. They lock in the quality standard before you're 80% done. Get mock-up approval in writing — verbal sign-off doesn't hold up.
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Rule of Thumb
Budget time and material for mock-ups in your schedule and estimate. Mock-up rejection can cost weeks and thousands in redo work.