Experience the outstanding sealing power of Jenkins Shellac Varnish, primarily used to seal plaster bench or running moulds. Manufactured by the renowned WS Jenkins, known for producing high-quality Shellac Sealer, this product meets the highest standards of quality and reliability. Apply it neat or dilute with methylated spirits for customized consistency; either way, we recommend applying it to dry plaster for optimal results. Trust Smith's, the leader in fibrous plasters and molding materials, to provide products that enhance your craft and efficiency.