OSI® F38 High Yield is a high strength polyurethane-based adhesive foam developed for use in drywall installations. This non-sag, non-drip formulation applies quickly and easily on vertical studs and overhead joists. F38 High Yield supports proper air sealing while providing a strong bond. Get the job done faster and reduce costs and jobsite waste with this all new adhesive foam solution from your trusted partners at OSI.