Finish TradesQuestion 252 of 700
On gypsum board joints, paper tape and mesh (self-adhesive fiberglass) tape behave differently. A key reason many finishers use PAPER tape at inside corners is that:
a.Paper tape has a crease and higher strength that resists cracking at corners
b.Paper tape needs no joint compound
c.Mesh tape is stronger than paper in every application
d.Paper tape is only for exterior use
Explanation
Paper tape folds cleanly at its center crease and has higher tensile strength, making it preferred at inside corners where movement tends to crack joints; mesh is convenient on flats but weaker and more crack-prone at corners. Paper tape still needs compound, mesh is not universally stronger, and paper tape is an interior finishing product.
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