Pack of 2 of Quikrete Polyurethane Construction Adhesive. Polyurethane construction adhesive is a 1 component fast-curing, flexible material which provides a durable elastic bond. High performance construction grade adhesive permanently bonds concrete, brick, marble, stone, wood, glass, aluminum, steel, PVC, and tile. Uses include repairing broken concrete, bonding retaining wall block and caps, or fastening wood panels to drywall, concrete, or masonry. Standard caulk gun use. Tack-free in approximately 90 minutes, and fully cured in 5 to 8 days. No. 990210: Container Size: 10 Oz., Color: Gray, Cure Time: 5 to 8 Days, Coverage Area (LFT): 12, Application Temperature: 40 F to 95 F, Shelf Life: 365 Days, Pkg Qty: 1, Package Type: Tube ⚠ WARNING: This product can expose you to chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.