Long-lasting sealing with Soudal Silirub 2
- Permanently flexible joint performance: You accommodate structural expansion effortlessly because the neutral silicone maintains high elasticity after curing.
- Primerless adhesion across materials: You apply directly to glass, plastics, timber, and metals without needing a dedicated adhesion promoter.
- Strong weather and UV resistance: You protect exterior joints against severe rain, temperature shifts, and sun exposure without color degradation.
With the Soudal Silirub 2 neutral silicone sealant, you create reliable and durable glazing, connection, and expansion joints. It bonds firmly without a primer to building materials such as wood, PVC, glass, and metal. The permanently elastic formula accommodates movement and structural tension between components without cracking. Thanks to its strong weather and uv resistance, it protects perimeter joints around dark brown frames and facade elements from drafts and moisture ingress while maintaining its color. You can easily apply this 300 ml cartridge using a standard caulking gun on a clean, grease-free surface.
Product description:
- Silirub 2 is a high-quality neutral, elastic onecomponent joint sealant based on silicones.
Characteristics:
- Very easy application
- Permanent colour, UV-resistant
- Stays elastic after curing
- Available in a wide range of colours
- Very good adhesion on many materials
- Low modulus
- Excellent acoustic properties (noise reduction)
Applications:
- Buildingand construction joints
- Topsealing at glazing jobs
- Joints with high movement between different building materials
- Sealings between treated wood, metal, PVC profiles and glass
Directions for use:
- Type: all usual building surfaces
- State of Surface: clean, dry, free of dust and grease
- Preparation: for certain applications apply Primer 150 on porous surfaces (see primer table) - no primer required for non porous surfaces.
- Surface Activator should be used to enhance adhesion to non porous surfaces.
- We recommend a preliminary compatibility test.
Remarks:
- Do not use on natural stones like marble, granite, (staining effect). Use Silirub MA for these applications.Not recommended for use on PC and PMMA because it can cause crazing (stress cracking) in these materials. Use an alkoxy type instead onthese materials.Technical Norms/Conforms with: Belgium: ATG 1808 (NIT 107) Rapport IANESCO 3812-label alimentaire for applications in food surroundings Gemany: DIN 18540 Teil 2 - DIN 18545 Teil 2 Dichtstoffgruppe E United Kingdom: BS 5889 Type A USA: TTS 001543a Class A