Pointing Mastic is a pre-mixed, cold-applied, polymeric, single-component sealing compound. Pointing Mastic was specifically designed to seal all exterior, vertical, and horizontal terminations of Mel-Rol, Precon, Mel-Dek, Air-shield, Perminator, and Pre-moulded Membrane Vapor Seal with Plasmatic Core from W. R. Meadows. It is also used for adhesive bonding of Protection Course and Mel-drain. It can be used on all patches and overlaps in detail areas. It offers excellent cohesive and adhesive qualities when applied to structural concrete, masonry, and/or wood. Once applied, it provides excellent adhesive and bonding strengths. Pointing Mastic cures to form a tough, flexible membrane.