Description
Premium Building & Glazing Silicone Sealant
Silirub 2 is a premium-quality low modulus neutral cure silicone sealant designed for professional glazing, construction and industrial sealing applications. Manufactured from 100% silicone with no shrinkage, it provides a durable, weatherproof and permanently flexible seal with excellent long-term performance in demanding environments.
The advanced neutral cure formulation delivers primerless adhesion to most common construction materials, including glass, plastics, masonry, metals and timber. Its high movement capability makes it ideal for perimeter joints, expansion joints and façade applications where flexibility and durability are essential.
With excellent resistance to UV exposure, rain, snow and temperature extremes, Silirub 2 is suitable for both internal and external applications. Available in an extensive colour range, including RAL Classic colours, it offers a professional finish for glazing, roofing and construction projects.
Key Features & Benefits
- Premium low modulus neutral cure silicone sealant
- 100% silicone formulation
- No shrinkage after curing
- High movement capability
- Primerless adhesion on most surfaces
- Fast skinning time
- Fast curing
- Permanently flexible after curing
- Thick-bodied formulation
- Excellent toolability
- UV resistant
- Weather resistant
- Resistant to rain and snow
- High and low temperature resistance
- Suitable for interior and exterior use
- Extensive colour range available
- Available in RAL Classic colours
- Independently tested to ISO 11600 F&G 25 LM
Suitable Applications
- Glazing applications
- Wet glazing applications
- Bedding of double-glazed sealed units
- Window frame perimeter sealing
- Door frame perimeter sealing
- Roofline sealing
- Drainage system sealing
- Curtain walling
- Façade panel sealing
- Aluminium glazing systems
- Expansion joints
- Roofing applications
- Lead flashing sealing
- Fibre cement sealing
- HVAC ducting
- Pipework sealing
- Drainage joints
- Industrial sealing applications
- General maintenance sealing
Suitable Materials
- Glass (excluding self-cleaning glass)
- Plastics
- Timber
- Masonry
- Aluminium
- Anodised aluminium
- Stainless steel
- Coated metals
- Lead
- Fibre cement
- Common construction materials
Technical Information
- Base: Neutral cure silicone
- Cure System: Neutral cure
- Composition: 100% silicone
- Modulus: Low modulus
- Classification: ISO 11600 F&G 25 LM
- Flexible After Curing: Yes
- High Movement Capability: Yes
- Primerless Adhesion: Yes
- UV Resistant: Yes
- Weather Resistant: Yes
- Temperature Resistant: Yes
- Fast Skinning: Yes
- Interior Use: Yes
- Exterior Use: Yes
- Colour Range: Extensive, including RAL Classic colours
Frequently Asked Questions
What is Silirub 2 used for?
Silirub 2 is designed for glazing, construction and industrial sealing applications where long-term flexibility, weather resistance and movement accommodation are required.
Can it be used for glazing applications?
Yes. It is suitable for glazing applications and the bedding of double-glazed sealed units in wet glazing systems.
Does Silirub 2 shrink after curing?
No. The 100% silicone formulation is designed to cure without shrinkage.
Can it be used around windows and doors?
Yes. It is ideal for perimeter sealing around window frames, door frames and roofline systems.
Is it suitable for outdoor use?
Yes. It provides excellent resistance to UV exposure, rain, snow and temperature extremes.
Does it require a primer?
No. Silirub 2 provides primerless adhesion to most common construction materials.
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