Why is Concrete difficult to Paint?

Question – Why is Concrete difficult to Paint?

Short Answer – Concrete is a porous surface so requires priming and multiple coats to allow the paint to bind correctly.

Detailed Answer – Why is Concrete difficult to Paint?

Concrete is a porous surface so requires priming and multiple coats to allow the paint to bind correctly.

Due to the porosity and absorption of concrete, most paints require the first coat to be thinned down, and multiple layers to be applied.