Hi-Flow Base

Hi-Flow Base

Tarmac’s Hi-Flow Base is a free flowing, self-smoothing, protein free industrial flooring underlayment system which is obtained by mixing water with a carefully selected pre-blended formulation of high quality raw materials.

Hi-Flow Base has been designed as an underlayment to complement Hi-Flow Tuf-Top and Hi-Flow Commercial, providing an economic means of raising and smoothing industrial floors. The product is suitable for application thicknesses from 7mm to 60mm.

Product Benefits

  • Free flowing, protein free and self-smoothing
  • Factory blended, tested and packaged in accordance with BS EN ISO 9001
  • Dry enough to withstand foot traffic after 2 to 4 hours (at 20℃)
  • Thicknesses from 7mm to 60mm

Typical Performance

Fresh Properties:
Pot Life: 30-35 mins (temperature dependant) 
Flow Ring Values:

(65mm Ø,
40mm High Flow Ring)

Hardened Properties: 
Compressive and Flexural Strength N/mm2 (air cured at 20oC)  EN 196 Mortar Prisms
Compressive Strength (N/mm2) Flexural Strength (N/mm2)
1 day 10 1 day 2.5
7 days 20 7 days 4.0
28 days 25 28 days 7
Controlled Expansion ASTM C490  

7 days


28 days


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