Air Sealing

Air Sealing Services

Efficiency, Safety, and Compliance - Sealed In

At HK Fire Ltd, we provide expert Air Sealing services for commercial, residential, and industrial buildings. Air sealing is a critical part of achieving energy efficiency, airtightness compliance, and environmental performance, while also supporting fire safety and indoor air quality.

Whether you're targeting Part L compliance, Passivhaus standards, or just want to improve thermal and acoustic performance, our air sealing solutions are professionally applied, fully certified, and tailored to your project's needs.

What Is Air Sealing?

Air sealing involves the application of specialist materials to close unintended gaps and cracks in a building envelope. These gaps—around walls, floors, ceilings, windows, doors, service penetrations, and structural joints—can allow uncontrolled air leakage, leading to:

Energy loss and increased heating/cooling costs
Poor ventilation and indoor air quality
Reduced thermal comfort
Failure to meet airtightness targets in air permeability tests
Moisture ingress, condensation, and mould risk

Air sealing is essential in both new-build and retrofit projects.

Why Air Sealing Matters

Improves energy efficiency and reduces carbon emissions
Meets UK Building Regulations (Approved Document L)
Supports airtightness testing and SAP/SBEM assessments
Enhances occupant comfort and reduces drafts
Improves acoustic insulation and noise control
Minimises risk of fire and smoke spread when combined with fire-rated sealants

What Is Air Sealing Suitable For?

Commercial office developments
High-rise residential buildings
Healthcare and education facilities
Warehouses and logistics hubs
Social housing and retrofit upgrades
Sustainable and low-energy homes (e.g. Passivhaus)

Why Choose HK Fire Ltd?

Experienced, qualified installers
Solutions aligned with Part L and Passivhaus standards
Fire-rated and acoustic sealing options
High-quality materials from leading brands (Soudal, Illbruck, Tremco, etc.)
Full documentation and photographic reporting
Nationwide coverage and fast turnaround

We work with your design and construction teams to ensure no gaps—literally—in your compliance strategy.