Wall penetration mech duct waterproofing detail
2012 International Mechanical Code
USG Design Studio | Floor Penetration - Download Details
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Jan 29, REFER TO DETAIL. CONTROL EXTERNAL DUCT INSULATION. TRANSITION PROVIDE DUCT WALL PENETRATION AS. INDICATED.
any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of the publisher. . openings which are made in floors and walls to .. penetration firestopping, the details of fire-resistant design . (25 mm) thick glass fiber insulation may be used with steel vent ducts ( Item 2B).
Description:In each case, openings into fire-resistance-rated construction shall be limited to those needed for maintenance and operation and shall be protected by self-closing fire-resistance-rated devices in accordance with the International Building Code for enclosure wall opening protectives. Secure vent hood trim block. Where located within the building, such equipment and ductwork shall be separated from the remainder of the building, including other mechanical equipment, with construction as required by the International Building Code for shafts. Carefully cut back WRB to attach flashing for trim block.
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