Mapeflex EMC-1 is a white, premium-grade, water-based elastomeric patching material that can be easily used for brush application to fill and seal cracks and/or static joints in masonry and stucco surfaces. Mapeflex EMC-1 is highly flexible, offers excellent filling and adhesion on prepared substrates and is designed for compatibility with MAPEI’s Elastocolor coating systems.

• Will expand and contract with changes in temperature and movement within the substrate
• Provides a permanent waterproof seal over cracks, joints and around wall penetrations
• Suitable for use on all cementitious substrates and a variety of other building materials
• No migration of plasticizers or oils that can inhibit adhesion or performance of finish coatings