I have some joints between drywall and drywall and also drywall and cementboard that will not be exposed because they are behind cabinets. Do I still need to tape them together? Does taping provide any structural function or is it just for the looks?
2 Answers
Taping creates a fire barrier if there ever happened to be a fire in your wall a non taped joint could be a problem.
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This is true but if is a big word for the disaster that could happen.– Ed BealDec 5, 2018 at 19:40
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Taping provides a moisture barrier and an insect barrier. Sure, no one would know...until some event brings it to their attention.