TWO-COMPONENT SMOOTHING COMPOUND
Bostik SL C500 ULTIMATE is a two-part, cementitious underlayment for smoothing uneven floors prior to laying decorative floor coverings. It has excellent workability & flow characteristics and can be trowelled to a feather edge.

For the smoothing and levelling of uneven subfloors before laying decorative floor coverings. Bostik SL C500 ULTIMATE can be laid over most common substrates including concrete, sand/cement screeds, stone, anhydrite screeds, rigid metal, terrazzo & quarry tiles, asphalt and other strong, rigid subfloors. Bostik SL C500 Ultimate should not be used over old tackifiers or water-soluble residues.

Bostik SL C500 ULTIMATE is totally protein-free and is suitable for use in biologically sensitive areas. The low-odour formulation makes Bostik SL C500 Ultimate ideal for use in occupied buildings. The moisture tolerant formula enables Bostik SL C500 ULTIMATE to be used to smooth rough, textured subfloors prior to the application of Bostik Screedmaster damp proof membranes.

It is suitable for use with warm water underfloor heating systems, provided a surface temperature of +27°C is not exceeded, and in areas of high solar gain. It is not to be used as a wearing surface and should always be covered with a floor covering. For interior use only.

We understand that your schedule is important, which is why we offer the option to choose a delivery date that works best for you. With a 98% on-time delivery rate, we are committed to ensuring your materials arrive when expected. In the rare event of any unexpected delays, we will keep you informed right away. If you have any specific requests, let us know, and we’ll do everything we can to accommodate them.