Sealants
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£3.43 ex. VAThigh-strength solvent weld adhesive designed for permanently bonding uPVC pipes, fittings, and conduits in plumbing and drainage systems. -
£40.60 ex. VATThis is a high-performance outdoor sealer designed to protect and enhance patios and block paving. Its deeply absorbing formula forms a clear, weather-resistant barrier that helps guard against water ingress, algae growth and oil or fuel stains, while giving the surface a durable wet-look finish. It’s suitable for use on all types of block paving and flagstones and can be applied with a brush or roller, providing long-lasting protection and improved appearance to your outdoor paved areas.Select options This product has multiple variants. The options may be chosen on the product page
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£1.63 - £3.34 ex. VATAcryrub is a versatile all-in-one painter’s sealant suitable for both interior and exterior applications. This one-component, plasto-elastic acrylic sealant is quick to paint over and has been specially formulated to minimise the risk of crazing, even when used with highly filled or high-coverage paints. Once cured, it forms a colourfast, waterproof seal and offers excellent adhesion to a wide range of porous surfaces as well as aluminium, making it ideal for general sealing and decorating projects. Key Points: - Suitable for both indoor and outdoor applications. - Quickly paintable andSelect options This product has multiple variants. The options may be chosen on the product page
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£69.23 ex. VATMapelastic AquaDefense Tanking Kit is a ready-to-use solution designed for rapidly waterproofing bathrooms, wet rooms, and showers, making them tile-ready in just 4 hours. The kit includes Mapelastic AquaDefense and Mapeband PE 120, ideal for forming protective layers in areas exposed to moisture and running water. Key Points: Components: Mapelastic AquaDefense, a fast-drying, solvent-free synthetic resin paste, and Mapeband PE 120, a waterproof PVC tape for sealing corners and joints, create a comprehensive waterproofing system. Application: Mapelastic AquaDefen
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£99.75 ex. VATMapeflex PU 45 FT Fast-curing, paintable polyurethane sealant and adhesive featuring a substantial elasticity modulus suitable for accommodating movements of up to 20%. It was specifically designed to effectively seal expansion and distribution joints, whether they are in horizontal or vertical surfaces. This versatile sealant is particularly suitable for areas that may occasionally come into contact with hydrocarbons, making it ideal for a range of applications. Additionally, it is highly recommended for creating flexible bonds between various materials commonly employSelect options This product has multiple variants. The options may be chosen on the product page
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£3.16 - £3.25 ex. VATSikaSeal® Construction Silicone + is a low-modulus, fast-curing acetoxy silicone sealant designed to provide excellent flexibility, durability and long-lasting performance. Its fungal-resistant formulation helps prevent black mould growth in high-humidity environments, making it suitable for both interior and exterior applications. It forms a weather-tight, waterproof seal with minimal dirt pickup, accommodates up to ±20% joint movement, and provides strong adhesion to a wide range of substrates, including PVCu, brick, glass, aluminium, plastics and timber. Key Points: - Fungal resistantSelect options This product has multiple variants. The options may be chosen on the product page
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£3.08 ex. VATSeal Pro is a premium-quality, neutral-cure hybrid sealant containing a powerful biocide to protect against bacterial and fungal growth, making it ideal for areas with high humidity, such as bathrooms and kitchens. It offers excellent adhesion to most surfaces, including aluminium, metal, uPVC, glass, glazed ceramics, lacquered wood, brickwork, concrete, and most plastics (except PP, PE, and PTFE). This sealant is easy to tool and finish, quick curing, UV resistant, and can be overpainted with water-based paints. Seal Pro also functions as a universal adhesive, suitable for both inteSelect options This product has multiple variants. The options may be chosen on the product page
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£135.65 ex. VATSika Primer MB is a 2-component, solvent-free, reactive epoxy primer and moisture barrier designed for use with SikaBond wood flooring adhesives on challenging substrates. It features low viscosity for easy application, excellent penetration, and stabilization of the substrate, making it ideal for refurbishing existing surfaces. The primer supports quick project completion and is suitable for use with underfloor heating systems, providing a reliable solution for a variety of flooring applications. Key Points 2-component, solvent-free, reactive epoxy primer with lowSelect options This product has multiple variants. The options may be chosen on the product page
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£67.12 - £79.31 ex. VATEVERBUILD Aquaseal Wet Room System is a reliable solution for creating a permanently flexible, watertight membrane in areas such as showers, wet rooms, bathrooms, and other tiled areas exposed to water, including balconies and partially covered external spaces. The system is based on proven wet room tanking methods used in Scandinavia and Germany, where wet rooms have long been a standard. Each kit contains all the necessary components for easy installation, with clear instructions included. Key Points: Complete Kit: All components included in oneSelect options This product has multiple variants. The options may be chosen on the product page
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£268.21 ex. VATMapeproof Swell is a one-component hydrophilic paste designed for repair and waterproofing tasks. It can be applied to damp or uneven surfaces and is effective at any temperature, even when water is infiltrating or seeping through. Upon contact with water, Mapeproof Swell expands in volume and can withstand significant hydrostatic pressure when properly confined. It adheres well to slightly damp surfaces, provided they are clean and stable. This single-component hydro-expansive paste is supplied in cartridges and is specifically formulated to create flexible, waterproof seals in crac
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£8.96 - £47.87 ex. VATThompson’s One Coat Damp Seal is a waterproofing paint designed to stop damp patches and moisture from penetrating interior walls and ceilings. It forms a durable, water-resistant barrier that blocks stains caused by damp, leaks, or condensation, and it can be applied directly to affected areas with just one coat. Suitable for use before repainting or decorating, it creates a solid base that helps protect surfaces and prevents damp from reappearingSelect options This product has multiple variants. The options may be chosen on the product page
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£25.27 ex. VATMultifunctional adhesive sealant for marine applications Sikaflex®-291i is a non-sag 1-component polyurethane sealant specifically developed for the marine market, which cures on exposure to atmospheric moisture. Sikaflex®-291i meets in addition the low spread of flame requirements set out by the International Maritime Organisation (IMO).
Sealants
There are many general-purpose silicone and DIY sealants available to help you get the job done right. We stock a wide selection of these sealants for home improvement, workplace application, and general DIY applications.
Silicone sealants are generally versatile in formulation which allows a wide variety of applications. However, some sealants are formulated for specific jobs and it is essential to choose the right product.
At Sealant Supplies Ltd, you can choose from our full catalogue of sealants. We have a wide variety of sealants including roof and gutter sealants, timber sealants, laminate sealants and more. All our sealants come from affordable and reputable brands that you can trust.
We also stock general purpose sealants which are more flexible and suitable for use on smooth, non-porous materials. Their waterproof properties make them ideal for use in showers, sinks, and baths. Some general purpose sealants contain anti-fungal properties which make them a perfect choice for bathrooms and kitchens.
General purpose sealants cure quickly after application providing a high-strength, permanent waterproof seal. This makes them ideal for glass, metal, wood, and plastics among others. General purpose sealants can withstand moisture, heat, and vibration which combined with their low viscosity aids quick application and drying.
Check out our catalogue of DIY silicone sealants to find the solution you need.