The UltraPly TPO General Purpose Sealant is a high quality sealant with excellent adhesion to a variety of surfaces. It is for use in conjunction with Firestone UltraPly TPO Systems as a fastener sealer, TPO cut edge or seam edge treatment, termination bar caulk. Additionally, UltraPly TPO General Purpose Sealant can be used in non-roofing applications not specifically associated with the initial installation of the roofing system. This sealant can be used to caulk or seal sheet metal, masonry, concrete block and brick.