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can you tell me what rough opening should be left to accommodate the TER-5 My client has to continue with his pour of concrete and plans to drop it in place and bolted through the side wall. Please confirm what size we are to leave in terms of a rough opening.
A TER-5 is a 3’-6” x 3’-6” size, so the customer must provide support that measures 3’-6” x 3’-6”. See sketch here:
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