Super Crackstop is 36" wide making it ideal for a full or complete wall or ceiling replacement. You''ll save the labor involved in tearing out old plaster by simply using our fiberglass mesh repair fabric to create a large patch for the area. • White• Self-adhesive is especially useful for ceiling repairs • 36" width for reinforcing plaster walls against recurring spider web or alligator cracking• Compatible with most plaster, drywall, spackling and stucco materials• Requires only thin finish coat of drywall or plaster compound• Also reinforces cinder block walls and paneling (requires additional preparation and finishing)• Roll covering 225 sq. ft. (36" x 75'')• Poly bag.