Types of Waterproofing Coating: Which One Do You Need?

Understanding Waterproofing Coating Types

Choosing the right waterproofing coating is crucial. The wrong product on the wrong surface leads to failure within months.

1. Cementitious Waterproofing

Best for: Bathrooms, water tanks, swimming pools

Mixed with water and applied like plaster

Rigid — doesn't stretch with building movement

Most affordable option

Brands: Sika, Mapei, Dr. Fixit

2. Acrylic Waterproofing

Best for: External walls, exposed roofs

Water-based liquid coating

UV-resistant and weatherproof

Flexible but moderate crack-bridging

Brands: Nippon, Jotun, Dulux

3. Polyurethane Waterproofing

Best for: Rooftops, terraces, balconies

Highest elasticity — bridges large cracks

Excellent UV resistance

Premium pricing

Brands: Sika, Mapei, Bostik

4. Bituminous Waterproofing

Best for: Foundations, basements, flat roofs

Torch-applied or self-adhesive membrane

Excellent water barrier

Not suitable for exposed/UV areas

Brands: Sika, Fosroc

5. Crystalline Waterproofing

Best for: Concrete structures, water treatment plants

Penetrates concrete and forms crystals

Self-healing — seals future cracks

Permanent solution

Brands: Xypex, Penetron, Sika

Quick Selection Guide

Contact AquaShield for expert advice on the right coating for your project.