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Plaster ceilings

To relieve shrinkage, temperature or stresses, plaster ceilings should have control joints within regular spacings. What is the minimum recommended spacing (ft) in each direction and the maximum area (sf) between control joints in plaster ceilings?

AnswerAt least every 30 feet and a maximum of 900 sf between joints.

ARE 4.0 exam prep: BDCS

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