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    MichGag's Avatar
    MichGag Posts: 1, Reputation: 1
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    #1

    Jan 12, 2011, 09:47 AM
    Increase fire rating of wall
    I have a 2x4 wood wall with 1/2" regular drywall on both sides, how can I increase my fire rating without installing a new sheetrock on top? Could I increase the fire rating with a paint or plaster or insulation?
    ma0641's Avatar
    ma0641 Posts: 15,675, Reputation: 1012
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    #2

    Jan 12, 2011, 10:02 AM
    Is this for code purposes or just for peace of mind? I don't think ablative coatings are code accepted and would probably cost more than rated drywall. You need 5/8 X rated drywall. If it is code related, they may still not allow a second layer unless it is fire rated(X)so you would still need 5/8.
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