Custom Bespoke Composite Doors & Aluminium and UPVC Panels
PENOSIL Silicone for Facades & Glazing (300ml)

PENOSIL Silicone for Facades & Glazing (300ml)

  • PENOSIL
  • PGFS1709
  • In Stock
  • £4.08

  • Exc. VAT: £3.40

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PENOSIL Window & Door Silicone 312 is a high-performance, multipurpose oxime silicone ideal for interior and exterior building applications. Designed for joints with high movement, it forms a flexible, weatherproof silicone rubber seal that remains durable and elastic over time. Perfect for glazing, sealing, and finishing works.

Now established as our recommended all-in-one alternative to PENOSIL Facade & Glazing Silicone 340/340c, PENOSIL 312 delivers reliable performance across façade joints, window and door perimeter sealing, and general glazing applications, helping to simplify product selection without compromising on quality.

Content:
300ml cartridge

Key Features:
  • High movement capability (±25%)
  • Permanent elasticity and low elastic modulus
  • Weatherproof, UV and ageing resistant
  • Excellent adhesion to a wide range of materials
  • Suitable for both interior and exterior use
  • Ideal for glazing, finishing, façade joints, and sealing joints
Application Areas:
  • Sealing façade and window perimeter joints
  • Filling and weatherproofing joints between windows and doors
  • Interior and exterior sealing, ventilation, and sanitation works
  • Glazing, finishing, and general construction sealing
Adheres To:
Concrete, masonry, wood, bricks, metals, PVC, glass, enamel, ceramic tiles, most plastics, painted and varnished surfaces

Colours Available:
Agate Grey, Anthracite Grey, Black, Bronze, Chartwell Green, Clay Brown, Clear, Cream, Mahogany, Rosewood, Toffee, White

Why Buy This Product?

Reliable, versatile, and long-lasting, PENOSIL 312 ensures a professional finish while keeping joints flexible and weatherproof. Now positioned as a recommended alternative to façade and glazing applications previously covered by 340/340c, it offers simplified stock management with consistent trade-grade performance for builders, installers, and DIY users.

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Images are for reference only, showing products from different angles. The quantity shown may not reflect what you purchase, usually only one item is supplied unless stated otherwise.

Any advice is for general guidance only. We cannot guarantee products will meet your specific needs or usage. Please check all measurements and specifications before purchase, as we are not responsible for incorrect advice or items ordered in error. Return costs in such cases are the customer’s responsibility.