Tub and Shower Floor Crack Repair Kit: The Floor Crack bathtub repair kit is designed to repair most weight bearing floor cracks up to 12 inches long by adding support and matching the color for a strong, hard to notice repair. KIT INCLUDES: This kit includes Expanding support foam, Marine-grade short strand fiberglass putty and hardener, Fine finish putty filler and hardener, Preval spray system, Color match coating system, Wipe on primer, 80 and 120 grit hand and orbital sandpaper, 1000, 2000, and 3000 grit sand paper, Acetone, Putty Spreader, Rubber Gloves, Mixing cup, Mesh tape, Stir sticks Match Any Color: Our fiberglass tub repair kit contains four colors of resin to easily match your tub color and two dyes that will allow you to reach even the most extreme colors. This kit can tackle cracks in the floor roughly 9" or smaller. It not only repairs the crack, but adds support under the floor for a long-lasting repair. Customer Satisfaction: At the Tub Repair Company we have customer satisfaction as our top priority. Please contact us if you have any questions regarding our kits.