"Sealer" means a coating formulated for application to a substrate to prevent subsequent coatings from being absorbed by the substrate or to prevent harm to subsequent coatings by materials in the substrate.
N.H. Admin. Code § Env-A 4202.55
"Sealer" means a coating formulated for application to a substrate to prevent subsequent coatings from being absorbed by the substrate or to prevent harm to subsequent coatings by materials in the substrate.
N.H. Admin. Code § Env-A 4202.55