Will SEALMASTIC Emulsion adhere to aluminum? Yes, SEALMASTIC Emulsion will adhere to aged, new, mill finish, or anodized aluminum. Was this article helpful? Yes No Related Articles Can insulation be placed over 501 SEALMASTIC? After the product flashes off, will it still be harmful to the insulation? Can SEALMASTIC TYPE II be used on below-grade steel? Are there any studies regarding the reaction of plant roots systems to the Sealmastic emulsion products? How long does the concrete need to cure prior to application of the Sealmastic solvent products?