Dave Rowley, our training and technical manager, talks through BAL's range of uncoupling systems including: BAL Rapid Mat - https://www.bal-adhesives.com/product... BAL Flexbone 2Easy - https://www.bal-adhesives.com/product... BAL Flexbone Varied - https://www.bal-adhesives.com/product... Uncoupling systems are crucial to protect floor tiling installations from lateral (sideways) movement of screeds due to temperature and humidity changes.