Liquid Nails Heavy Duty Construction Adhesive is a heavy-duty performer, ideal for foamboard, corkboard, green board, plywood, fiberglass and more. Designed for the most demanding applications, it provides a high strength, water and weather resistant bond that will outlast the project. This specially formulated adhesive remains flexible when dry, making projects more impact resistant and durable. And with this special Case Pack, you can keep plenty on hand to many different types of projects.