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At Triangle Waterproofing we don’t guess what’s causing your damp – we diagnose it. Every survey follows PCA best practice and British Standard 6576, using professional moisture testing to identify the exact cause before any work begins.
Send photos or a short video via WhatsApp for a Free Moisture Check – we’ll review signs of damp and advise whether a full inspection is needed.
Damp can look similar on the surface – but the causes vary. A correct diagnosis saves money and prevents repeat problems. Our surveys reveal whether moisture is rising, penetrating, or condensation-based, so your treatment is right first time.
You’ll receive a clear written summary with recommendations and costed solutions – no pressure sales, just facts.
External walls, render and pointing condition
Ground levels and drainage slope
Chimney and flue moisture testing
Floor-wall junctions and skirtings
Subfloor ventilation and airbrick performance
Internal plaster and salt contamination
Moisture profiling with digital and resistance meters
Thermal imaging on request (cost - £250)
All confirmed remedial work after your survey is backed by a 20-year written guarantee and installed in accordance with PCA and BS standards.
Free surveys are available to homeowners within our South London and Surrey service area when access is provided in person. If we must collect keys from an estate agent, a £150 access fee applies to cover time and travel. We do not attend unattended properties or empty houses without confirmed access.
Triangle Waterproofing carry out professional damp surveys, moisture diagnosis and remedial waterproofing in line with PCA and BS standards. We are a trusted local specialist serving South London and Surrey with guaranteed damp solutions.
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Honest surveys.
Permanent results.
Honest surveys.
Permanent results.
