We specialise in internal and external joint sealing to achieve a waterproof connection between two substrates. Our usual scope includes bathrooms, kitchens, flooring and skirting, windows, brick/render articulation joints. Our experienced team of applicators are dedicated to setting new standards, ensuring perfect colour matches, seamless finishes and quick turnarounds. With expertise in the latest techniques and a wide range of colours, we customise sealant selections and application methods to meet the unique requirements of each job.

We offer comprehensive internal and external joint sealing services For commercial and industrial projects, including multi-residential developments, apartment buildings and industrial sites. Our reputation is built on superior product quality, technical expertise and meticulous attention to detail. Specialising in sealing joints ranging from 5mm to 60mm, we excel in tackling challenging joints such as concrete expansion joints, abel flex joints, control joints and saw cuts.

Product knowledge is Downseal’s top priority when it comes to fire rated joint sealing. Our dedicated team is extensively trained and equipped to apply fire-rated sealants, adhering to fire safety standards and keeping up to date with relevant regulations. We work with your building certifier prior to starting your project to ensure we select the most suitable products and application methods. Utilising the best fire-rated sealants on the market, we provide compliance assurance with Form 12 documentation and certification.