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.

  • Professional-grade sealant for UPVC, cladding, windows, and doors

  • Pure white finish for a clean, seamless look

  • Weather-resistant and waterproof for exterior applications

  • Flexible, durable, and resistant to cracking, shrinking, or discolouration

  • Excellent adhesion to UPVC, coated aluminium, glass, and other non-porous surfaces

  • Easy to apply with a standard 300ml silicone gun

  • Ideal for both professional installers and DIY projects

  • Suitable for new installations or repair work

Add to Wishlist
Add to Wishlist

Product Details

Specification: Details
Product Name: White Silirub N 300ml
Type: Exterior / UPVC Silicone Sealant
Colour: White
Size: 300ml cartridge
Application: For UPVC windows, doors, cladding, trims, and external joints
Finish: Smooth, flexible, weatherproof seal
Adhesion: Excellent on UPVC, coated aluminium, glass, and other non-porous surfaces
Curing Time: Skins over in approx. 15–30 minutes; fully cures in 24 hours (at 23°C)
Durability: Long-lasting, resistant to cracking, shrinking, and discolouration
Application Tool: Standard 300ml silicone gun
Usage: Suitable for new installations and repair work

Silirub N Data Sheet

Cart