Signs include dampness on walls, musty odours, visible mould, water stains, and efflorescence (white powdery deposits). If you notice any of these, professional waterproofing is recommended.

Look for experience, written warranties, proper certifications, and verified customer reviews. Always request a free site visit before committing.

Damp proofing prevents moisture transmission, while waterproofing provides a complete barrier against water penetration under pressure.