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* 1. Contact Information

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* 2. What listing/rating is required for duct sealing materials?

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* 3. Using Mastic alone, without tape is acceptable on holes:

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* 4. When fastening a round duct together, you must use at least:

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* 5. A duct run that comes off of the trunk line is called:

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* 6. When using tape, mastic, rigid patch materials to repair large holes in a duct, the SWS recommends your materials overlap by a minimum of:

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