Arbosil 1070 - Intumescent & Fire Resistant Product
A one-part, low modulus fire-resisting silicone sealant that cures on exposure to moisture vapour, forming a highly elastic silicone rubber. Designed with excellent adhesion to concrete and other common construction substrates, Arbosil 1070 meets the stringent requirements of modern construction projects.
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Specify Arbosil 1070
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Unique properties of Arbosil 1070
Ideal for sealing movement joints and other critical details to prevent the passage of fire. Not recommended for use in floor joints unless specifically approved by ARBO Technical Services.
Up to 4 hours independently verified fire resistance
Excellent elasticity – 50% movement accommodation in butt joints
Excellent adhesion to concrete and common construction substrates
Very good UV resistance
Service life of 25 years+
Available in Grey and Black (special colours on request)
Technical Specifications & Downloads
| Description/Standard | Performance |
|---|---|
| Classification (BS EN ISO 11600) | F/G – 25 LM |
| Material | Silicone |
| Colours | Grey, Black (special colours on request) |
| Skin Time at 20°C/65% RH | 20–30 minutes |
| Application Temperature | +5°C to +50°C |
| Service Temperature | -50°C to +120°C |
| Typical Shore Hardness | 20–25 |
| Cure Rate at 20°C/65% RH | 1mm/24 hours |
| Chemical Resistance | Not recommended for use where there will be contact with chemicals unless approved by ARBO® Technical Services. |
| UV Resistance | Very Good |
| Service Life | 25 years+ |
| Movement Accommodation (butt joints) | 50% |
| Movement Accommodation (lap joints) | 100% |
| Fire Resistance | Up to 4 hours independently verified |
Associated Products
Frequently Asked Questions
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Find your contacts
Regardless of whether you are an architect and planner, property developer, industry specialist, distributor, applicator or specifier – if you have any questions about our products, services or specific construction projects, please feel free to contact the CARLISLE® contact person in your area with your technical questions. Our experts will be happy to advise you.
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