A contractor/maintenance, Interior/Exterior, heavy bodied blockfiller designed to fill voids and reduce irregularities on new concrete block and other types of masonry. May be tinted with up to 4 ounces of universal colorant per gallon. This product meets the United States Environmental Protection Agency national volatile organic compound emission standards for architectural coatings. Approved by the Master Painter's Institute under category # 4. Meets the standard for CAN/CGSB - 1.188 - M90. ( Qualification #80147) Environment Canada VOC compliant.