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Recent content by Waleed Ali

  1. Waleed Ali

    Shaft Enclosure Fire Rated Walls On Roof Level

    I have central AC system & air ducts are coming from roof through one big shaft. We have so many air ducts coming from roof through the same shaft. My questions are: 1. Shall this shaft on roof covered and constructed with fire rated walls? 2. Shall we install fire dampers on air ducts...
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