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Brian
Brian, Architect
Category: Home Improvement
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Experience:  Licensed Architect- 17 years, L.E.E.D. AP
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When a duplex requires fire separation right to the exterior

Customer Question

When a duplex requires fire separation right to the exterior wall and ceiling (side by side duplex) what air barrier is possible to prevent air infiltration into the two units?
Submitted: 10 months ago.
Category: Home Improvement
Expert:  Eddie replied 10 months ago.

Hi Betty can you tell me what kind of openings there are?............from steel or wood joists............pipes..........wiring.............any others that you know of

and what kind of substrate?..........concrete........plaster........drywall

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