Description
Arbosil LMS Silicone Sealant Neutral Cure – White 310ml
Arbosil LMS is a high performance low modulus neutral cure silicone sealant designed for professional glazing, perimeter sealing and construction joint applications.
This one-part silicone cures on exposure to atmospheric moisture to form a durable, flexible rubber seal with excellent weather resistance and long-term elasticity. Arbosil LMS is widely used for sealing PVCu frames, glazing joints, brickwork, translucent roofing systems and insulated glass units where movement capability and weatherproofing are essential.
The neutral cure formulation makes it suitable for use on sensitive substrates and helps minimise corrosion risks often associated with acetoxy cure silicones.
Arbosil LMS provides excellent UV resistance, long service life and high movement accommodation, making it suitable for both internal and external sealing applications.
Features & Benefits
- Neutral cure silicone sealant
- Low modulus high movement formulation
- Excellent weather and UV resistance
- Suitable for glazing and perimeter sealing
- Ideal for PVCu and construction joints
- Long service life exceeding 25 years
- Flexible and durable seal
- Suitable for internal and external use
- Available in multiple colours
- Excellent adhesion to common construction materials
Typical Applications
- PVCu frame perimeter sealing
- Glazing joints
- Curtain wall sealing
- Brickwork expansion joints
- Translucent roofing systems
- Insulated glass units
- Construction movement joints
- Weather sealing applications
- General building and façade sealing
Suitable Substrates
Arbosil LMS Silicone Sealant bonds well to many common construction materials including:
- PVCu
- Glass
- Aluminium
- Brickwork
- Concrete
- Anodised metals
- Polycarbonate
- Painted surfaces
- Roofing materials
Technical Information
- Cure Type: Neutral Cure Silicone
- Skin Time: Approx. 10 minutes
- Cure Rate: Approx. 2mm per 24 hours
- Application Temperature: +5°C to +40°C
- Service Temperature: -40°C to +120°C
- Movement Accommodation: Up to 50%
- UV Resistance: Excellent
- Service Life: 25+ years
Why Choose Arbosil LMS Silicone Sealant?
Arbosil LMS is specifically designed for applications where flexibility, weather resistance and long-term movement capability are critical.
Its low modulus formulation allows the sealant to absorb expansion and contraction in building materials without cracking or losing adhesion, making it ideal for glazing systems, façades and perimeter joints exposed to environmental movement.
Unlike standard acetoxy silicones, the neutral cure system is more suitable for sensitive construction substrates and provides a more professional long-term sealing solution.
For best results, surfaces should be clean, dry and free from dust, grease and contamination before application.
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