White Silicone 300ml
£4.15 Inc Vat
Our White Silirub N 300ml is a high-quality UPVC sealant designed for cladding, windows, doors, and external joints. This professional-grade silicone sealant offers excellent adhesion to UPVC, aluminium, and glass, creating a durable, flexible, and waterproof seal that won’t crack, shrink, or fade. The pure white colour provides a clean, seamless finish, ideal for matching window frames, doors, and cladding systems. Easy to apply with a standard silicone gun, it’s perfect for both new installations and repair work. Trusted by trade installers and DIY users, it’s the go-to choice for reliable, long-lasting exterior silicone sealant.
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Professional-grade sealant for UPVC, cladding, windows, and doors
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Pure white finish for a clean, seamless look
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Weather-resistant and waterproof for exterior applications
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Flexible, durable, and resistant to cracking, shrinking, or discolouration
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Excellent adhesion to UPVC, coated aluminium, glass, and other non-porous surfaces
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Easy to apply with a standard 300ml silicone gun
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Ideal for both professional installers and DIY projects
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Suitable for new installations or repair work
