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Instarmac Level IT Base Smoothing Underlayment

20kg Bag

£21.07 £17.56 inc. VAT

Instarmac Level IT Base Smoothing Underlayment  is a rapid setting and hardening, high strength, single part, cementitious smoothing underlayment incorporating recycled raw materials. Level IT Base may be mixed up and applied as single units and it’s especially suited to larger projects where it is ideal for pumping applications and can be applied up to depths of 50mm. 


Instarmac are a multi award-winning market-leading company. A specialist in the manufacture and distribution of cement and bitumen based products to the world markets for over 40 years. Instarmac have a solid reputation based on research, development and production of innovative materials for use in urban regeneration, tiling, commercial flooring and internal finishing markets.

  • High compressive strength
  • Ideal for use with Level IT Top
  • Pump or trowel applied
  • Walk on: 3 hours
  • Moisture tolerant
  • Coverage: approx 3m² at 5mm
  • 5-50mm thickness
  • Working time 30-40 minutes
  • Internal floors

Weight  25kg
Thickness 5 - 50mm
Working time at 20°C 30 - 40 Minutes
Walk on hardness time at 20°C 2 - 3 Hours
Range Ultra Floor
Brand Instarmac

What are the coverage rates? 

Applied Thickness Coverage Per Unit Consumption Per 100m² Area
5mm 3.0m² 33 Bags
15mm 1.0m² 100 Bags
20mm 0.75m² 133 Bags
50mm 0.3m² 333 Bags


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