• primer for walls in retrofit projects to make them stronger before the install in intelligent membranes products.
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Primer I.M - Spray/Roller

Primer I.M - Spray/Roller

£64.00 GBP
£64.00 GBP
Sale Sold out

Why Choose Primer I.M?

  • Pre-treatment peace of mind
Used as a post treatment after installation of Passive Purple®, Airtight White® & Passive Purple® External. The use of this wall primer will consolidate and close off difficult porous substrates like concrete bricks, calcium silicate stone and lime renders. The small molecules in it enter deeply into the substrate and once absorbed function to consolidate as well as a primer. You then apply water dispersion coatings over the top.
  • How does it work differently to Lime Prime?
Has much smaller molecular structure so it’s not to be used on render or porous concrete block because it has no/little effect. Used as a pre-treatment before installation of Passive Purple External. It’s microemulsion, a small molecular makeup enters deeply into the substrate so it functions to consolidate as well as a primer.  To be used on dense substrates: concrete, (old) lime, Primer I.M is the choice for old render/old lime, because these surfaces need consolidation before applying a coating on it.
  • Works together with our air & vapour control membranes
Due to the high vapour permeability of Primer I.M it can accommodate subtle movements (without cracking). It sits on top of substrates and works in perfect unison with our air & vapour control membranes' high tensile elongation values and is a perfect solution for older buildings that move a lot. 
  • Uses
  • Download
  • FAQ

Application – Apply Lime Prime by a low pressure or with airless spray equipment with just one layer approximately 100 gr/m2, depending on the porosity of the substrate.

To be used on:

  • Older/Dusty substrates
  • Porous substrates such as concrete bricks, calcium silicate stone and old lime

Install Guide

Safety Data SheetTechnical Data Sheet

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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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 Primer I.M - Spray/Roller in Action