Earth safe finishes sealer seals porous surfaces, forming a barrier to keep anything on the "inside" from bleeding through and anything on the "outside" from penetrating back through the surface a non-toxic water based sealer that completely seals furniture, new or old wood, cabinets, craft projects and walls. Sealer seals porous surfaces like terra cotta, cement, walls, brick, and concrete and metal. May apply between coats of faux or decorative painting to protect previous work. A sealer is the first step in ensuring that what you paint, stain, or decorate maintains the look you want and doesn"t deteriorate over time. Esf sealer can be used in stenciling, scrapbooking/memory, altered art, fine art, decoupage, furniture, mixed media, faux finishing, decorative painting, stamping, paint/photo extensions on canvas, collage, paper arts, gourd art.