Description
Low Modulus Building Silicone Sealant
Silirub LM is a high-quality low modulus neutral cure silicone sealant developed for professional glazing, construction and industrial sealing applications. Offering excellent adhesion to most common building materials without the need for a primer, it provides a durable, weatherproof and permanently flexible seal for demanding internal and external projects.
Its high movement capability makes it particularly suitable for perimeter joints, expansion joints and building connections where movement is expected. The fast skinning and curing formulation allows efficient installation while maintaining long-term resistance to UV exposure, rain, snow and environmental ageing.
Available in an extensive range of colours, Silirub LM is widely used for window and door installations, roofline systems, glazing projects and general construction sealing.
Key Features & Benefits
- High-quality neutral cure silicone sealant
- Low modulus formulation
- High movement capability
- Primerless adhesion on most surfaces
- Fast skinning time
- Fast curing
- Permanently flexible after curing
- Excellent weather resistance
- UV resistant
- Resistant to rain and snow
- Suitable for interior and exterior use
- Excellent toolability
- Extensive colour range available
- Suitable for glazing and construction applications
- Conforms to ISO 11600 F 12.5 E
Suitable Applications
- Glazing applications
- Window frame perimeter sealing
- Door frame perimeter sealing
- Roofline system sealing
- Expansion joints
- Construction joints
- Roofing applications
- Lead flashing sealing
- Roofing slate sealing
- Fibre cement sealing
- HVAC ducting
- Pipework sealing
- Drainage joints
- Industrial sealing applications
- General maintenance sealing
Suitable Materials
- Glass (excluding self-cleaning glass)
- Timber
- Aluminium
- Anodised aluminium
- Stainless steel
- Coated metals
- Lead
- Masonry
- Fibre cement
- Common construction materials
Technical Information
- Base: Neutral cure silicone
- Cure System: Neutral cure
- Modulus: Low modulus
- Classification: ISO 11600 F 12.5 E
- Flexible After Curing: Yes
- High Movement Capability: Yes
- Primerless Adhesion: Yes
- UV Resistant: Yes
- Weather Resistant: Yes
- Fast Skinning: Yes
- Interior Use: Yes
- Exterior Use: Yes
- Colour Range: Extensive
Frequently Asked Questions
What is Silirub LM used for?
Silirub LM is designed for glazing, construction and industrial sealing applications where flexibility and movement accommodation are required.
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 expansion joints?
Yes. The low modulus formulation and high movement capability make it suitable for expansion and movement joints.
Can it be used on glass?
Yes. It can be used in direct contact with most types of glass, excluding self-cleaning glass.
Is Silirub LM suitable for outdoor use?
Yes. It offers excellent resistance to UV exposure, rain, snow and general weathering.
Does it require a primer?
No. Silirub LM provides primerless adhesion to most common construction materials.
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