Damp Proofing
Structural Waterproofing
Timber Treatments
Condensation & Mould Control
Structural Masonry Repair
Roofing & Decks
Wall & Flooring
Construction
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Waterproof & Gas Barrier Solutions

Our Waterproof and Gas Barrier Solutions are highly resistant to gases as well as chemicals and water.

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Gas can kill and is often odourless and colourless.

We have a range of Gas Barrier Solutions that are highly resistant to gases as well as chemicals and water. All offer quick and easy installation with guaranteed performance.

Like all Sovereign products, they meet all British Standards and guidance.

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Association of Sovereign Authorised Contractors
Independently guaranteed quality of workmanship

Apply to become a member >

Sovereign are as meticulous about the contractors we work with as we are about our world beating products.

Contractors who achieve membership of the Association of Sovereign Authorised Contractors (ASAC) are recognised for the quality of their work, their high level of skills and experience, and commitment to maintaining high standards.

Any individual or company employing an ASAC member has the peace of mind that comes from knowing there’ll be a job well done and one which has an insurance-backed independent guarantee.

Find an ASAC member near you >

Association of Sovereign Authorised Contractors
Independently guaranteed quality of workmanship

Sovereign are as meticulous about the contractors we work with as we are about our world beating products.

Contractors who achieve membership of the Association of Sovereign Authorised Contractors (ASAC) are recognised for the quality of their work, their high level of skills and experience, and commitment to maintaining high standards.

Any individual or company employing an ASAC member has the peace of mind that comes from knowing there’ll be a job well done and one which has an insurance-backed independent guarantee.

Apply to become a member >

Find an ASAC member near you >