what is flex grout
Flexible, Fast Setting Wide Joint Floor & Wall Grout. Flexigrout is a flexible, fast setting wide joint floor and wall grout developed for grouting joints in tiles between 3mm - 15mm wide. Flexigrout is ideal for grouting areas subject to limited movement and/or vibration such as plywood overlay and under floor heating. Flexigrout is suitable for grouting a large variety of tiles.