Premium Multi-Purpose Construction Silicone Sealant - Biokil Crown

£4.42

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Biokil Crown Premium Multi-Purpose Construction Silicone Sealant is a high-performance, neutral cure sealant suitable for a wide range of building applications. It offers excellent adhesion to porous and non-porous materials, remains permanently flexible, and is weather- and UV-resistant. Ideal for interior and exterior sealing.

Colour: White

Quantity

Single Tubes Box of 25

Size

310ml

Product variants

Delivery and Shipping

Place your order before 3pm for next working day delivery.

Please note: Additional delivery charges may apply for Northern Ireland, Isle of Wight, Isle of Man, Isles of Scilly, Scottish Highlands & Islands, and Channel Islands. We will contact you to inform you of any additional costs once your order is received, or you can call us on 0800 111 4898 beforehand to confirm.

Description

Biokil Crown Premium Multi-Purpose Construction Silicone Sealant

High-Performance, Neutral Cure Silicone for Interior & Exterior Sealing Applications

Biokil Crown Premium Multi-Purpose Construction Silicone Sealant is a versatile, high-performance sealant formulated for a wide range of building and construction applications. With its neutral curing system, it is suitable for use on both porous and non-porous surfaces, providing excellent adhesion without primer. This premium-grade silicone remains permanently flexible and is ideal for sealing joints in windows, doors, façades, cladding, and general construction joints.

Key Features & Benefits

Neutral Cure System: Low-odour and non-corrosive — safe on sensitive substrates like metals and concrete.
Excellent Adhesion: Bonds to most common building materials including uPVC, wood, glass, stone, brick, and concrete.
Weather & UV Resistant: Suitable for interior and exterior applications with long-term durability.
Permanently Flexible: Accommodates movement and maintains a tight, water-resistant seal.
Easy to Apply: Smooth tooling and fast skin formation ensure a clean, professional finish.

Product Details

Technology: Neutral cure silicone
Colour: Available in multiple colours including white, clear, and grey
Packaging: 310ml cartridge
Skin Time: Approx. 10–20 minutes
Cure Rate: ~2–3mm per 24 hours
Movement Capability: ±25%
Application: Standard caulking gun

Typical Applications

Sealing around window and door frames
Expansion and movement joints
Weatherproofing façades and cladding
Interior sealing in kitchens, bathrooms, and utility areas

Limitations

Not suitable for aquariums or permanent water immersion.
Do not use on bituminous or natural rubber surfaces.

Health & Safety

Use in well-ventilated areas. Wear suitable PPE including gloves and eye protection during application. Refer to the Safety Data Sheet (SDS) for full guidance.