DIY Refurb
Premium Multi-Purpose Construction Silicone Sealant - Biokil CrownPremium Multi-Purpose Construction Silicone Sealant
Full product name
Premium Multi-Purpose Construction Silicone Sealant - Biokil CrownPremium Multi-Purpose Construction Silicone Sealant - Biokil Crown
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Free UK delivery on many qualifying orders over £50. Supplier and destination exceptions apply; charges are confirmed at checkout.
Delivery detailsHigh-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.
Specifications
Specifications
Delivery & Returns
Delivery & Returns
Free UK delivery on many qualifying orders over £50. Charges and eligibility vary by product, supplier and destination and are confirmed at checkout.
Most brands normally arrive within 3 working days, with occasional additional delays of 1–2 working days. Selected manufacturer-direct brands take 5–8 working days. All orders are tracked.
Delivery details and full brand list · Returns instructions
For urgent orders, email martin@glazingsuppliesdirect.com before ordering.
Trade Pricing
Trade Pricing
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Tracked Delivery
Normally 3 working days
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30-Day Returns
Unused & unopened
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Pack Sizes
Bulk & single units
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Estimated delivery: 3 working days Dispatched on a tracked service
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Delivery available Delivery times and costs vary by supplier — shown at checkout
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Easy Returns 30-day hassle-free returns
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