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.
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