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Instarmac DPM IT Rapid Curing Primer Membrane

5kg Tub

£95.89 £79.91 inc. VAT

Instarmac DPM IT Rapid Curing Primer Membrane is a two component, solvent free epoxy resin system for use as a surface damp proof membrane and as a screed bonding aid (primer) for industrial flooring applications. DPM IT has been designed to provide protection against subfloor moisture and as a primer for bonded screed installations.


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.

  • Surface DPM
  • Two-part epoxy resin system
  • Primer for bonded screed applications
  • Fast cure system
  • Dual chamber packaging
  • 98% RH floor moisture tolerance
  • Pot life 45-75 minutes
  • Cure time 5 hours
  • Internal floors

Weight 5kg
Working Time At 20°c 45-75 minutes pot life
Walk On Hardness Time At 20°C Walk on hardness time at 20°C
Range Ultra Floor
Brand Instarmac

How much area will one tub cover?

The coverage rates for this product are as follows: 

Substrate Up to 98% RH Up to 90% RH
Power Floated Concrete 13.75m² (5kg) 27.5m² (10kg) 15m² (5kg) 30m² (10kg)
Cementitious Screed 9m² (5kg) 18m² (10kg) 12m² (5kg) 24m² (10kg)
Cementitious Screed (incorporating commissioned warm water underfloor heating) n/a 9m² (5kg) 18m² (10kg)

How long does this product take to fully cure?

Cure time will be subject to ambient conditions. UltraFloor DPM IT contains an inbuilt accelerator and under good ambient conditions will cure within 5 hours. Colder temperatures will delay the curing. Keep the floor completely clear of other trades and foot traffic until cured. The product should cure to give a glossy black film. Inspect to ensure a pinhole free film has been attained.

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