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One hour ceiling with attic
April 2, 2019
6:02 pm
New Member
Forum Posts: 1
Member Since:
April 2, 2019
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We have a building that is wood construction and has 2x6 ceiling joists .  I am needing a one hour ceiling in the bedrooms and was wondering if I could use two layers of 5/8" gyp board attached to the bottom of the 2x6 to achieve a one hour rating. There is attic space above the ceilings.