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Control Sound. Seal Air. Enhance Safety.

Acoustic & Air Sealing Solutions That Perform

Northern Sealants offers precise acoustic and air sealing services to control airborne sound and ensure airtight construction — critical for Part E and Part L compliance.

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Acoustic Air Sealing Form

High-Performance Materials

We install trusted, tested systems using materials that meet the highest standards for sound insulation and airtightness.

Compliance with Part E & Part L

Our solutions support your legal obligations under the Building Regulations, reducing the risk of costly remedial works.

Clean, Efficient Installations

We work quickly and neatly, even in live environments — keeping disruption low and standards high.

Acoustic Stopping Services

We install acoustic sealants, acoustic batt systems, and sound-rated barriers to limit sound transfer between rooms, floors, and corridors. These systems help developers meet Building Regulations Part E and provide greater comfort for occupants.


From hotels and residential units to hospitals and schools, our solutions are tailored to each use case, installed with care, and backed by full QA documentation.

Air Sealing & Airtightness Solutions

Our air sealing services reduce uncontrolled air leakage, improving energy efficiency and occupant comfort. We seal junctions, voids, and penetrations using approved systems that support compliance with Part L.


Proper air sealing also complements fire stopping and acoustic measures, enhancing the overall performance of your building envelope.

Fully Integrated Approach

We frequently combine air and acoustic sealing with our fire protection services — saving time and reducing coordination headaches. Our operatives are trained across disciplines, ensuring a seamless and coordinated result that stands up to inspection.

Frequently Asked Questions

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  • What types of buildings do you work on?

    We provide acoustic and air sealing in residential blocks, offices, healthcare settings, schools, and more.

  • Can you work to a test standard or acoustic spec?

    Yes - we install to match specified acoustic ratings and can align with project-specific test requirements.

  • Do you provide reports or QA documentation?

    Yes - all installations are backed by QA reports, photos, and sign-off sheets where needed.