Exterior Finishing: Control Joints

Expanded flange inside corner control joint

#30 Corner Master™ Expansion/Contraction Control Joint (Double-V) is designed to provide stress relief at inside corner intersections on plaster walls. The Double-V expansion joint absorbs…

Designed to relieve stress caused by expansion and contraction

In wall and ceiling inside angles.

Used to straighten an inside corner

For a neat, straight edge.