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  • Sealant Solutions

Our sealant and mastic works are integral to our commitment to quality construction and maintenance services. By offering tailored solutions that prioritise both functionality and aesthetics, we contribute to the longevity and performance of the structures we serve.

GRSONE specialises in professional sealant and mastic works, offering comprehensive solutions to enhance the integrity and longevity of various structures. Sealants and mastics play a crucial role in preventing water ingress, protecting against environmental elements, and ensuring the longevity of joints and surfaces. Our expertise in sealant and mastic application extends to both commercial and residential settings, providing tailored solutions for diverse construction and maintenance needs.

Key Features

  • Waterproofing and Weatherproofing
    GRSONE's sealant and mastic works focus on creating effective barriers against water penetration, protecting buildings from leaks and water damage. Weatherproofing applications ensure resilience against harsh environmental conditions, contributing to the durability of structures.
  • Joint Sealing
    We specialise in precision joint sealing for various building components, including windows, doors, expansion joints, and curtain walls. Properly sealed joints not only enhance the aesthetic appeal of structures but also prevent air and water infiltration, ultimately preserving the structural integrity.
  • Flexible and Durable Solutions
    Our sealant and mastic solutions are formulated to be flexible and durable, accommodating structural movements and maintaining effectiveness over time. This flexibility is crucial for preventing cracks and ensuring long-term performance.
  • Adherence to Industry Standards
    GRSONE adheres to industry standards and best practices in sealant and mastic application. Our skilled technicians are trained to apply sealants with precision, ensuring uniform coverage and optimal sealing effectiveness.
  • Aesthetic Enhancements
    Sealant and mastic works not only contribute to functional aspects but also play a role in enhancing the aesthetics of structures. GRSONE pays attention to detail, ensuring that our sealant applications seamlessly integrate with the architectural design while providing robust protection.

Applications of Sealant and Mastic Works

Facade Sealing

Enhancing the weather resistance and appearance of building facades.

Expansion Joint Sealing

Mitigating the impact of structural movements and preventing water intrusion in expansion joints.

Window and Door Sealant

Providing a reliable barrier against air and water infiltration around windows and doors.

Roof Sealing

Ensuring effective waterproofing and weatherproofing for roofing systems.

Why Choose Us


With extensive industry experience, we bring a wealth of expertise to every project. Our seasoned team understands the unique challenges faced by our clients and provides tailored solutions to meet their needs


We are dedicated to delivering high-quality, reliable services that enhance property performance and safety. We continuously strive to exceed industry standards and meet the evolving needs of our clients through innovation and a proactive approach


We value accountability, taking full responsibility for our service quality and reliability. We ensure transparency, address issues promptly, and continuously improve to meet and exceed client expectations


We are renowned for excellence and reliability. Clients trust us for high-quality services, tailored solutions, and a commitment to safety and sustainability. Our professionalism and transparency have earned us a loyal client base and industry recognition