Selleys VBS is also a 2 part single coating system. VBS or Vabour Barrier as the name suggest prevents moisture from passing through the slab into your new timber flooring. VBS, made by selleys is available in 12kg Kits doing approximately 20m2 each. Selleys VBS is compatable with Selleys Direct stick adhesive and is one of the best products on the market. Selleys comes as a kit in a easy to mix formula and can either be rolled or brushed out. Flooring can then be adhered to moisture barrier after 8 – 12 hours depending on conditions.