What is Vertex Envelope Solutions?

Vertex Envelope Solutions delivers expert building-envelope diagnostics for roof leaks, water ingress, and façade defects, with 3 key pages for enquiries, fees,

Knowledge Centre

Building Envelope Diagnostics Knowledge Centre

Technical guides, case studies and FAQs to help you understand building envelope investigations — from roof leaks to condensation and thermal performance.

Common Causes of Flat Roof Leaks

Membrane breaches, failed seams, penetration failures and ponding water — the most common reasons flat roofs leak and why finding the source matters.

5 min read

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⚡Electronic Leak Detection

How Electronic Leak Detection Works

A clear explanation of how ELD uses electronic signals to pinpoint membrane breaches in flat roofs — covering both dry and wet methods.

4 min read

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11 articles

🌡️Thermal Imaging

BS EN 13187 and BS EN ISO 6781-1: building thermography explained

The older BS EN 13187 has been withdrawn. Understand the current general procedures for building-envelope thermographic investigations and their limitations.

4 min readRead

💧Condensation

Condensation, moisture and retrofit: why a thermal image is not the whole diagnosis

Understanding the interaction of internal humidity, surface temperatures, ventilation and the construction build-up when investigating damp and condensation.

4 min readRead

⚛️Building Physics

Thermal bridging and junction design: what does ISO 10211 help assess?

A practical introduction to 2D thermal-bridge modelling, heat-flow paths and internal surface temperatures at external-wall junctions.

4 min readRead

🌡️Thermal Imaging

BREEAM and building thermography: when is a survey required?

How a thermographic survey can support building-fabric assessment under an applicable BREEAM scheme—and why the project assessor must confirm the precise requirements.

4 min readRead

📖Guides

Building thermography: standards, training and certification are different things

How to read a building surveyor's stated qualifications and distinguish a technical method from a personal certification or project approval.

3 min readRead

🔍Case Studies

Case Study: Recurring Flat Roof Leak in a Commercial Building

A commercial property with recurring leaks despite multiple repairs. ELD identified three previously undetected membrane breaches — resolving the issue permanently.

4 min readRead

⚛️Building Physics