Polyseam Ltd | Manufacturer of Passive Fire Protection, Sealants & Construction Chemicals

Polyseam Ltd is a UK manufacturer of high-performance construction products, specialising in passive fire protection systems, sealants, adhesives, fillers, and surface coatings.

For more than 30 years, we have developed and manufactured solutions trusted by contractors, distributors, specifiers, and construction professionals across the UK and international markets.

Based in Huddersfield, West Yorkshire, our modern manufacturing facility combines intelligent chemistry, in-house research and development, and rigorous testing to produce products designed to meet the evolving demands of the construction industry.

Polyseam is the manufacturer behind two recognised brands:

Protecta
A leading brand in passive fire protection and firestopping systems, offering tested and certified solutions that help protect buildings and support compliance with fire safety regulations.

GRAFT
A professional range of sealants, adhesives, fillers, and construction chemicals, developed for contractors, distributors, and building professionals who demand reliable performance on site.

Alongside our own brands, Polyseam also offers private label manufacturing, partnering with distributors and construction brands to develop and produce tailored product ranges backed by technical expertise, quality control, and scalable manufacturing.

Our focus is simple:

• Develop intelligent chemical formulations
• Manufacture reliable, tested products
• Support safer buildings through certified systems

From product development and formulation to manufacturing, testing, and supply, Polyseam delivers solutions that support modern construction.

Industries we support

• Passive fire protection
• Construction chemicals
• Building materials manufacturing
• Private label construction products
• Sealants and adhesives

Polyseam

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