The Loctite PL Premium 3X Stronger Construction Adhesive Caulk Tube is a heavy-duty product designed for strong and durable bonding. Made by the trusted brand Loctite, this adhesive is ideal for construction projects and offers 3 times the strength of regular caulk. With a convenient size of 28 fl oz in a tube, it is easy to apply and provides a reliable seal. Proudly made in the United States, this construction adhesive is a reliable choice for professional and DIY projects alike. Polyurethane Based, Fast Curing, Versatile Construction Adhesive.