Coswick SPU 303 – Elastic 1-component silane-based flooring adhesive. BENEFITS: Ready to use, does not require preparation or stirring; Can be easily levelled with a trowel, retains trowel pattern; Does not contain solvent, odourless; Highly adhesive, suitable for any base, does not require priming of the base; Fast hardening (flooring can be sanded in 12 hours); Moisture-resistant, provides an additional base moisture barrier; Provides perfect sound and vibration insulation; High shear strength, good stress compensation of solid hardwood flooring in humidity changing conditions; Does not lose its elastic properties in time and temperature change; Can be used over underfloor heating systems.