HB42 Ultimate Sealant & Adhesive is now available in a new “colour” – Invisible! This powerful All-in-One Sealant and Adhesive is UV resistant, so it will not yellow and discolour like other clear sealants; maintaining a crystal clear, “Invisible” seal for longer. HB42 Sealant & Adhesive Invisible seals and bonds in the wet, is ultra-flexible and mould-resistant, as well as forming an extremely strong adhesion to wood, stainless steel, aluminium, porcelain, UPVC, coated metal, polystyrene and most importantly, glass. HB42 Sealant & Adhesive is also available in White, Clear, Grey, Black & Brown.