Tilemaster Flexmaster – Flexible Additive & Primer

Tilemaster Flexmaster – Flexible Additive & Primer

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

Dilution Rates:
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


✔Sand/cement screed




✔Flooring grade

✔Asphalt & Bitumen


✔Anhydrite Screeds

✔Gypsum Plaster

✔Existing tiles


✔Underfloor Heated screeds

✔Cement/Sand render

✔Vinyl Tiles/Sheets

✔Concrete Brick/Block


✔Tile Backer Boards

✔Fibre cement sheets

Technical Data   Health & Safety Data

SKU: Flexmaster Categories: ,
  • Description


As a primer, Flexmaster is designed to prime, seal and stabilise the substrate prior to applying Tilemaster cement based products. Flexmaster increases the adhesion and prolongs the working time of tile adhesives and self-levelling compounds. Flexmaster is suitable for use on both absorbent and non-absorbent surfaces, internally and externally. As a flexible additive, Flexmaster will increase the adhesion, flexibility and durability of Tilemaster cement based adhesives and grouts whilst also improving their resistance to water. Sold in 1Ltr and 5Ltr bottles