• a can of Liquid DPM paint
  • “Close-up of freshly applied liquid DPM forming a seamless waterproof barrier on concrete floor.”
  • “Protective waterproof DPM liquid paint forming barrier on kicker block.”
  • “Close-up of kicker block sealed with liquid damp proof membrane paint.”
  • “Liquid DPC applied to external window sill for damp protection.”
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Waterproof Blue Liquid DPM (10KG) - Roller

Waterproof Blue Liquid DPM (10KG) - Roller

£79.99 GBP
£120.00 GBP £79.99 GBP
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Poseidon on steroids, waterproof blue is an advanced version which not only keeps vapour out, but it also has UV protection to ensure your surfaces are both water and sun resistant and won’t disintegrate over time. Ideal For: Application prior to tiling bathrooms, wet/stream-rooms, cement surfaces and concrete floors.  How’s it applied? Roller or a Paintbrush What Makes Waterproof Blue Unique? UV resistant, no corner reinforcements required upon application. Techy Corner: Waterproof Blue is a liquid applied membrane that is polymer based and dries to a flexible membrane after application. It has high-cracking bridging properties.
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Waterproof Blue is the ultimate replacement for traditional plastic membranes like DPCs and DPMs. Designed for superior waterproofing, it can be applied to any area where you’d typically use plastic membranes— such as on top of block and beam floors and the upstands of kicker blocks—creating a seamless, airtight, and watertight barrier for your project. This advanced, VOC-free, water-based solution can be effortlessly applied with a roller or paintbrush, ensuring quick and easy installation. Plus, it provides added protection against radon, enhancing the safety and durability of your build.

Suitable Substrates

Waterproof Blue is the ultimate replacement for traditional plastic membranes like DPCs and DPMs. Designed for superior waterproofing, it can be applied to any area where you’d typically use plastic membranes — such as on top of block and beam floors and the upstands of kicker blocks—creating a seamless, airtight, and watertight barrier for your project. This advanced, VOC-free, water-based solution can be effortlessly applied with a roller or paintbrush, ensuring quick and easy installation. Plus, it provides added protection
against radon, enhancing the safety and durability of your build.

Application

  • STEP 1 – Fill the joints between the surface, and the draining and tubes with a paintable waterproof sealant. When these joints are < 5mm, enlarge these
    before applying the sealant.
  • STEP 2 – Apply the Waterproof Blue, waterproof paint membrane with a longhaired roller or a paintbrush in two coats. Coverage in 2 layers is minimal 800gr/m2, or 2 layers of approx. 400 gr/m2 depending on the roughness of the substrate. Second layer to be applied crosswise on the first layer, when the first layer has dried out.  Make sure to check for complete coverage.
  • STEP 3 –When the second layer of Waterproof Blue, water proof paint membrane has dried out (24 to 48 hours after application), apply tiling as finishing. Suitable tiling glues include: cement glue class C2 or dispersion glue class D2TE, according EN12004

Technical Data Sheet

Install Guide

Safety Data Sheet

Radon

At Intelligent Membranes, we help architects, contractors, retrofitters and self-builders achieve airtightness and waterproofing targets with liquid-applied systems. Our flagship airtight system, Passive Purple®, is airtight at all times yet breathable when the building fabric needs to release vapour — we call this intelligent breathability.

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Why Choose Waterproof Blue?

Waterproof Blue redefines simplicity in waterproofing. Rather than relying on multiple components, primers, or reinforcement tapes, Waterproof Blue delivers a complete waterproofing solution in a single product. Applied quickly by roller, it cures to a flexible, crack-bridging membrane that protects bathrooms, wet rooms, and concrete floors beneath tiles. Proven on countless projects, it removes complexity, reduces installation errors, and delivers dependable waterproof protection where failure is not an option.

Key points:

  • One-product waterproofing solution- no primers, no corner tapes, no complications
  • Dries to a flexible, crack-bridging membrane for long-term protection
  • Ideal for bathrooms, wet rooms, and concrete floors
  • Roller-applied for speed and consistency on site
  • Trusted by professionals for reliability under tiles


Shipping & returns summary

We, at Intelligent Membranes, would like you to be 100% satisfied with your purchase and our service. In the unfortunate event of any item being unsuitable or wrong, please read the following for advice on returning goods to us.

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Watch Waterproof Blue Liquid DPM (10KG) - Roller in Action