BAL Single Part Fast Flex Floor Tile Adhesive 12.5kg - GreyBAL Single Part FastFlex Floor Tile Adhesive Grey 12. 5kgs One part elastomeric floor and wall tile adhesive. Suitable for most tile types, including porcelain, most substrates backgrounds, including those with movement, vibration, sound reduction and underfloor heating. Can be used for dry wet, interior exterior conditions. Use For Most types of floor tiles including: Ceramics Porcelain and fully vitrified tiles Mosaics Natural Stone including marble