Ultimate Sealing Solutions Ultimate Sealing Solutions is a Mastic Man / Sealant Applicator business located in Essex. Ultimate Sealing Solutions offers the Ultimate Mast Man / Sealant Applicator Service in Essex and surrounding areas.Please check out the Ultimate Sealing Solutions website for more information on the services we provide, the sealants we use and the colour range. We also offer a silicone sealant removal and replacement service, so if your silicone in your bathroom or kitchen is looking old, black or mouldy please contact us and we will make your bathroom look like new again.