Airtightness, Fire & Protection for Commercial & High-Rise Buildings
Commercial & High-Rise Requirements
Commercial buildings and high-rise residential projects have requirements that go beyond standard domestic airtightness — fire performance, airtight facades, EPC compliance for MEES, BREEAM credentials, and the post-Grenfell regulatory framework all need to be addressed in the building envelope specification.
Intelligent Membranes provides a complete range of liquid-applied products that address these requirements in a single coordinated system — from internal vapour control and airtightness, to fire-rated external membranes, waterproofing and surface protection.
Products for Commercial & High-Rise
| Product | Application | Rating / Certification |
|---|---|---|
| Passive Purple X | Fire-rated internal and external airtight membrane | Class B Fire; Passivhaus certified |
| Passive Purple External | External airtight and weatherproof facade membrane | Fire Rated; Passivhaus certified |
| FRED | Intumescent flame retardant coating for steelwork and boards | Warrington Fire Tested; Class B |
| Passive Purple Internal (Spray) | Internal VCL and airtight layer | Passivhaus, BBA, WUFI |
| Poseidon | Internal waterproofing — wet rooms, bathrooms, plant rooms | Waterproof membrane (internal use) |
| The GOAT | Flexible roof waterproofing — flat and low-pitch roofs | Flexible waterproof coating |
| Intelligent Protect / Surface Pro | Temporary glass, window and surface protection during construction | Spray-applied peelable film |
| Soteria / Surface Pro | Asbestos encapsulation on existing commercial buildings | Spray-applied encapsulant |
Capabilities
Fire-Rated Facades
Passive Purple X and FRED meet Class B requirements for external wall systems and facades. We can provide full fire test documentation for building control and EWS1 purposes.
BREEAM & EPC Compliance
Airtightness improvements directly improve BREEAM energy and Part L compliance credits. Our Passivhaus-certified products provide verified performance data for BREEAM assessors.
Large-Scale Spray Application
On large commercial projects, spray application teams can cover thousands of square metres efficiently — minimising programme impact and reducing the risk of detailing errors.
Asbestos Encapsulation
Soteria and Surface Pro provide spray-applied asbestos encapsulation for existing commercial buildings undergoing refurbishment — a licensed alternative to removal in appropriate situations.
Below-Ground Waterproofing
Waterproof Blue Liquid DPM provides BS 8102 waterproofing solutions for basements, car parks and below-ground plant rooms.
Construction-Phase Surface Protection
Intelligent Protect provides spray-applied temporary protection film for glass, windows, doors and surfaces — protecting your finishes until handover.
Applicable Standards & Frameworks
- Building Safety Act 2022 / Approved Document B — Fire performance for higher-risk buildings (HRBs)
- EWS1 Assessment — External Wall System fire performance evidence
- BREEAM — Energy, health and materials credits
- UK Building Regulations Part L 2021 — Non-domestic energy compliance
- BS 8102 — Waterproofing of structures below ground
- MEES (Minimum Energy Efficiency Standards) — EPC B requirement for commercial lettings
Commercial Project Enquiries
Our technical team supports main contractors, specialist subcontractors and architects on commercial projects. We can provide fire test evidence, specification support and site surveys.
Get in Touch Architect & Specifier Hub