GB Gas Tightness Testing
IV and Leakage Alowances
Free · Designed for iPad. Not verified for macOS.
Build confidence with natural gas tightness testing. Follow the test sequence step by step, record key readings and practise the correct process with clear guidance.
GBNG Tightness Test 2026
Carry out natural gas tightness testing with confidence using this step-by-step guide based on the latest IGEM/UP/1B Edition 4 (2026) guidance.
Designed for gas engineers, apprentices and training centres, the app guides you through each stage of the testing procedure, helping you follow the correct sequence and understand the decisions required during testing.
Features
• Guided Let-by Test
• Guided Stabilisation Test
• Guided Tightness Test
• Pipework-only retest guidance for existing installations
• Standing Pressure assessment
• Working Pressure assessment
• Maximum Load Pressure assessment
• Automatic installation volume calculator when required
• Automatic 2026 permissible pressure loss calculations
• Automatic pass/fail guidance
• Stage-specific troubleshooting advice
• Professional PDF test report
• Built-in stopwatch and test timers
• Clear manometer illustrations throughout
• Designed for use on-site or in the classroom
The app helps engineers understand what to do if a test fails, including guidance for:
• Let-by failures
• Stabilisation failures
• Tightness test failures
• Pressure regulator checks
• Existing and new installations
• Installation volume assessment where required
Pressure readings are recorded during the test and included in a professional PDF report that can be saved, printed or shared.
Whether you're an experienced gas engineer, an apprentice learning tightness testing or an assessor supporting candidates, GBNG Tightness Test 2026 provides a simple, logical and professional approach to one of the most important gas safety procedures.
Developed by GB-GAS – Practical apps for gas engineers.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
Changes to the Icon to standardise with the rest of the gb-gas apps
The developer, GB-GAS.CO.UK, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- George A Brown
- Size
- 5.1 MB
- Category
- Business
- Compatibility
Requires iOS 26.0 or later.
- iPhone
Requires iOS 26.0 or later. - iPad
Requires iPadOS 26.0 or later. - Mac
Requires macOS 26.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 26.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Contains
Advertising
- Copyright
- © gb-gas.co.uk