CCW LM-800XL Liquid Mastic is a fast-drying elastomeric, single component, cold-applied liquid mastic. It is an accessory product used in conjunction with CCW Air and Vapor Barrier Membranes, CCW MiraDRI 860/861 sheet waterproofing membrane and adhesive attachment of CCW R2+ polyiso insulation board. It is designed to be used as a fillet and reinforcement under CCW MiraDRI 860/861 membranes as footing foundation wall junctures or other inside corners and can also be used between footing and foundations when tying in slab waterproofing with the foundation wall, pipes and penetrations, or to fill small voids in substrate under membrane. Other applications include terminations and flashing to protrusions from horizontal and vertical surfaces, terminations at drains, and detailing of the substrate prior to CCW MiraDRI 860/861 membrane application. This product can also be used with the CCW-705 Air and Vapor Barrier and to adhere CCW R2+ polyiso insulation board over approved substrates.