Arbosil 1090 - Low Modulus Neutral Cure Silicone for Cladding and Roofing
ARBOSEAL Pro® Arbosil 1090 is a one-part low modulus neutral cure silicone sealant that cures on exposure to moisture vapour to form a very elastic silicone rubber. With 70% movement accommodation in butt joints, it is the specified choice for curtain walling, structural joints in light cladding, profiled metal roof sheets, flat roof joints, and guttering — original and remedial applications alike.
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Unique properties of ARBOSEAL Pro® Arbosil 1090
ARBOSEAL Pro® Arbosil 1090 delivers outstanding flexibility and adhesion for cladding, roofing, and perimeter sealing applications where high movement accommodation is critical.
Very high movement accommodation — 70% in butt joints, 150% in lap joints
Excellent adhesion to concrete, brickwork, metals, and a wide range of substrates
Suitable for original and remedial perimeter sealing on existing façades
Neutral cure chemistry — compatible with sensitive metals and anodised finishes
Available in multiple colours including Grey, Black, Buff, Dark Bronze, and Portland
25+ year service life — meets ISO 11600 F/G – 25 LM
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Main Applications
ARBOSEAL Pro® Arbosil 1090 is the specified choice for curtain walling, cladding, profiled metal roofing, and guttering applications requiring high movement accommodation.
Curtain Walling
Original and remedial perimeter sealing of curtain wall systems on commercial buildings.
Light Cladding
Structural joints in lightweight cladding systems subject to significant thermal movement.
Profiled Metal Roofing
Sealing joints in profiled metal roof sheets and related roof assemblies.
Flat Roof & Guttering
Sealing flat roof joints and guttering joints where high flexibility is required.
Technical Data
| Description/Standard | Performance |
|---|---|
| Colour | Grey, Black, Buff, Dark Bronze, Portland, Rustic Red (special colours on request) |
| Skin Time (at 20°C / 65% RH) | 10-20 minutes |
| Application Temperature | +5°C to +50°C |
| Service Temperature | −50°C to +120°C |
| Chemical Resistance | Resistant to most dilute acids and alkalis. Organic solvents may cause swelling and loss of adhesion |
| UV Resistance | Very Good |
| Service Life | 25 years + |
| Movement Accommodation – Butt Joints | 70% |
| Movement Accommodation – Lap Joint | 150% |
| Specification Compliance | ISO 11600 F/G – 25 LM |
| Packaging | 380 ml polyethylene cartridges |
Associated Products
Frequently Asked Questions
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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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