Patch cracks and holes in drywall, concrete and metal. Recommended for auto body shops, repair centers and general contractors. Thick formula spreads evenly on vertical surfaces. Non-shrinking and water resistant. Two-part, fast-curing putty. Ready for sanding in 15 minutes, painting in 25. Indoor/outdoor use.ULINE offers over 41,000 boxes, plastic poly bags, mailing tubes, warehouse supplies and bubble wrap for your storage, packaging, or shipping supplies.