Large flat roof with grey liquid waterproofing applied with buildings and green trees in the background.

Liquid waterproofing specialists

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Innovative waterproofing solutions

At H2o Seal, we deliver high-performance waterproofing solutions tailored to meet the unique demands of every project.

We specialise in liquid roofing, balcony systems and multi-storey car parks, installing solutions with long-lasting durability and minimal disruption. Our team combines technical know-how with industry-leading products to provide reliable, custom solutions for any building.

Flat roof with smooth grey waterproofing topcoat, surrounded by railings and plinths

Why use liquid waterproofing for your project?

  • Seamless - no joints or laps

  • Cold applied

  • Fast curing and application

  • Low maintenance

  • Low odour solutions available

  • Suitable for complex detailing

  • Lightweight

  • Suitable for overlay applications, minimising disruption

  • Fully bonded creating continuous adherence

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Liquid waterproofing services

Rooftop construction site with workers, building materials, and safety railing surrounding the area, with city buildings in the background.

Roofs, balconies and terraces

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Empty parking lot on a rooftop with green, blue, and black parking spaces, surrounded by a metal fence and some buildings in the background, under a cloudy sky.

Car parks

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Logo of the Liquid Roofing & Waterproofing Association (LRWA) with red and blue text and swoosh design.
Gold and white circular badge with the word 'ELITE' at the top and the name 'CHAS' in the center.
Blue certification badge with white text that reads 'Roofing Competent Person Scheme' and includes the NFRC logo and the number 12831.

Who we are

At H2o Seal we focus on doing one thing exceptionally well, we proving specialist knowledge and outstanding workmanship to create innovative waterproofing solutions. We pride ourselves on delivering top-tier solutions with unmatched precision and reliability.

We work alongside market leading manufactures, installing high performance liquid roofing systems to flat roods, balconies, walkways and car parks.

Founded in 2015, our company was built on the belief that roofing should be long-lasting, cost-effective, and hassle-free. With over 20 years of combined experience, our team has worked on everything from small domestic roofs to large-scale commercial projects.

A construction worker wearing a helmet, safety vest, and gloves is smoothing a freshly poured concrete surface with a long-handled tool inside a building under construction. Scaffolding is visible in the background.

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