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Air Tightness, Background Ventilation & Pulse Testing
We provide certified Air Tightness Testing, Pulse Testing, and Background Ventilation Assessments to help developers, retrofit professionals, and homeowners meet UK Building Regulations.
Our services support compliance with:
PAS 2035 Retrofit Standards
Our Services
We deliver clear results, official reports, and practical guidance, ensuring your project passes inspection without delays.
Air Tightness Testing
Air Tightness Testing measures how much uncontrolled air leaks through a building envelope.
This test is required for:
New build dwellings
Commercial buildings
Conversions creating new homes
SAP compliance
Building Control sign-off
Using calibrated equipment, we pressurise and depressurise the building to calculate air permeability
Starting from £195
What You Receive
✔ Official compliance certificate
✔ Detailed air permeability results
✔ Identification of leakage areas
✔ Guidance if improvements are required
Starting from £195
Pulse Air Tightness Testing
Pulse testing is a modern alternative to traditional blower door testing.
Common Uses
Before and after window or door replacement
Retrofit validation
Background ventilation assessments
Quality assurance for contractors
It uses low-pressure air pulses to measure airtightness quickly and with minimal disruption, making it ideal for occupied homes and retrofit projects.
Starting from £325
Starting from £195
Background Ventilation Assessment
Modern buildings are more airtight than ever. Without adequate background ventilation, properties can suffer:
Condensation
Damp
Mould growth
Poor indoor air quality
Background Ventilation Testing evaluates natural air changes and determines whether additional ventilation measures are required under Part F.
Starting from £275
This service is especially valuable for:
✔ Window & door replacement project
✔ Retrofit works
✔ PAS 2035 compliance
✔Avoiding unnecessary trickle vent installation
Starting from £195
Who We Work With
Whether you are completing a new development or upgrading an existing property, we provide reliable compliance testing that protects your project.
• Property Developers
• Architects & Design Teams
• Retrofit Coordinators
• Main Contractors
• Window & Door Installers
• Homeowners
Our Process
Simple. Efficient. Professional.
Book Your Test Today
Avoid delays. Avoid failed inspections. Ensure your building performs as intended. Contact Inter Infinity today to schedule your Air Tightness, Pulse or Ventilation assessment.
