Sealants
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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 -
£18.51 ex. VATThompson’s Emergency Instant Repair is a specially formulated, sprayable mastic made from mineral rubber, asphalt and binder in mixed solvents. Supplied in an aerosol, it provides a quick and convenient solution for emergency repairs to leaking pipes and guttering. Key Points: - Sprayable mastic – Easy to apply directly from the aerosol. - Emergency repairs – Designed for quick, temporary repairs. - Multiple uses – Suitable for leaking pipes and guttering. - Specially formulated – Contains mineral rubber, asphalt and binder. Store in a cool, dry, well ventilated place away
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£16.40 ex. VATSikaflex®-521 UV is a weathering-resistant, one-component Silane Terminated Polymer (STP) adhesive and sealant that provides reliable bonding to a wide range of substrates, including metals, ABS, PC, FRP, and wood, typically without the need for special pre-treatment. This versatile product is suitable for both internal and external sealing applications. Key points - Excellent resistance to ageing and weathering - Strong adhesion to many substrates without special pre-treatment - Isocyanate- and solvent-free with low odour - Can be overpainted and sanded
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£52.09 ex. VATThe Purdy Dual Roll Off Bucket (19 L) is a heavy-duty paint bucket designed for professional decorating and larger painting jobs. Made from durable polypropylene, it features an internal dual roll-off grid that lets two rollers (or painters) load paint simultaneously, improving efficiency and consistency on big surfaces. The ergonomic handle makes it comfortable to carry even when full, and a side pour spout helps with controlled decanting of paint. At 19 litres capacity, it’s ideal for holding plenty of paint and works well with compatible castors or accessories to enhan
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£3.00 ex. VAThigh-performance, fast adhesive designed for strong, permanent bonding on a wide range of materials including metal, wood, ceramics, glass, plastics, and stone.
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£4.35 ex. VAThigh-performance, quick-setting adhesive designed for strong, transparent bonding across a wide range of materials.
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£8.61 ex. VAThigh-performance, two-part chemical anchoring resin designed for heavy-duty fixing applications in concrete, brickwork, and stone.
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£7.90 ex. VATis a high-performance chemical anchoring resin designed for securely fixing threaded rods, studs, bolts, and rebar into concrete, brick, and masonry.
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£29.22 ex. VATThe Ronseal Kitchen & Bathroom Repair Kit is a handy all-in-one solution designed to fix chips, cracks, and small holes in common household surfaces like tiles, sinks, baths, and worktops. It typically includes a durable filler, application tools, and finishing materials to help you achieve a smooth, professional-looking repair. Easy to use and quick to set, it’s ideal for restoring damaged areas and extending the life of your kitchen and bathroom surfaces without needing costly replacements.
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£2.52 ex. VATBond-it LQ Gripbond Instant Grab Adhesive is a high-strength, solvent-based construction adhesive designed for rapid bonding without the need for temporary supports or mechanical fixing in most applications. It delivers excellent initial grab and strong long-term adhesion, making it ideal for fixing materials such as wood, metal, plasterboard, concrete, and many plastics. Easy to apply from a standard cartridge, it is commonly used in both professional and DIY projects for tasks like securing panels, trims, and fixtures where speed and reliability are essential.
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£18.83 - £27.62 ex. VATRonseal 3‑in‑1 Basecoat – White 2.5L and Ronseal 3‑in‑1 Basecoat – White 5L are versatile interior preparatory paints designed to simplify wall and ceiling prep before decorating. This white, water-based basecoat seals new plaster, hides hairline cracks and obliterates bold colours all in one coat, providing high coverage and creating a smooth, durable surface with excellent adhesion for your chosen topcoat. It’s easy to apply with a brush, roller or sprayer, dries to touch in about two hours, and means you can get ready to paint over quicklySelect options This product has multiple variants. The options may be chosen on the product page
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£9.06 - £20.44 ex. VATThompson’s WaterSeal Water Seal W/B (water-based) is a clear, low-odor waterproofing sealer designed to protect exterior wood surfaces like decks, fences, and outdoor furniture. It penetrates the wood to repel water while helping prevent damage from mildew and UV exposure, all while allowing the wood’s natural texture to show through. The water-based formula cleans up easily with soap and water and dries faster than oil-based alternatives, making it a convenient choice for outdoor maintenance projects.Select options This product has multiple variants. The options may be chosen on the product page
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.