How does MasterProtect P 110 work? MasterProtect P 110 is a water-based polyvinyl acetate bonding agent that enhances adhesion of plaster or concrete mortars to concrete, masonry, drywall, plaster, browncoats and stucco. Recommended uses: Bonding plaster or concrete mortar to cementitious or gypsum-based materials What are the unique features of MasterProtect P 110? Alkali resistant Tinted Brush, roller or spray application Water-based, VOC compliant What are the benefits of MasterProtect P 110? Stands up to alkali attach from cementitious and masonry materials Easy visual confirmation of coverage Adapts to varied jobsite requirements Complies with federal and regional VOC limits