Multipurpose lightweight construction boards that are perfect for the application of tiles and cement based screeds. They are manufactured using high density extruded polystyrene which provides excellent insulating properties. The extruded polystyrene core has a factory applied reinforced cement coating which provides excellent impact strength and fire resistance
Coverage as a Flexible additive:
5 litres of Flexmaster mixed with 3 parts water produces enough flexible additive for 80kg of tile adhesiveCoverage as a Primer:
1 litre applied neat will cover 10m².
Diluted with 3 parts water, 1 litre will cover 40m².
Applied as a slurry coat, 1 litre will cover 18m²
Vary depending on the application. Please refer to the product packaging
Drying Time as a Primer:
Absorbent surfaces 30 – 60 minutes, non-absorbent surfaces 45 – 90 minutes