Acrylic Coating
A water-based coating with good UV stability and colour retention, widely used as an exterior decorative and protective finish.
On an actual building
It is the sensible choice on a sound, stable substrate. Its limitation is crack bridging — on an elevation with live movement, an elastomeric grade is needed instead.
What we most often have to correct
That a premium acrylic is equivalent to elastomeric. Colour retention and elongation are different properties.
Terms that come up alongside this one
- Elastomeric Coating
A high-build flexible coating with substantial elongation, able to stretch and bridge hairline cracks as a substrate moves..
- Alkali Resistant Primer
A primer formulated to resist the high alkalinity of fresh cement render and provide a stable base for a topcoat..
- Saponification
The chemical breakdown of a coating by alkali, in which the binder reacts with alkaline salts in fresh cementitious substrates and loses cohesion..
Acrylic Coating — questions we get asked
What does acrylic coating mean in waterproofing?
A water-based coating with good UV stability and colour retention, widely used as an exterior decorative and protective finish.
Why does acrylic coating matter on a real project?
It is the sensible choice on a sound, stable substrate. Its limitation is crack bridging — on an elevation with live movement, an elastomeric grade is needed instead.
What do people commonly get wrong about acrylic coating?
That a premium acrylic is equivalent to elastomeric. Colour retention and elongation are different properties.
Have a building showing this?
If a term on this page describes something you are looking at, a site inspection will tell you how far it has gone and what it needs. It costs nothing.
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