gripSTIK® 093 E-Z Strip® Vinyl Expansion Control Joint is designed to relieve the stresses of contraction and expansion. This product allows for structural movement of up to 1/4″ in drywall systems and is typically used in ceilings or partitions. Perfect for high humidity areas. The expansion control joint groove is protected by plastic tape that can be easily removed after the joint finishing material has dried, leaving a clean well-formed joint. Easy to cut with shears, knife or fine-tooth hacksaw and staples easily into place. The dent resistant strip has deeply knurled, perforated flanges for enhanced joint compound adhesion.