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ARBOSIL XL 1099 S - Silicone Sealant

ARBOSeal Pro® Range


Arbosil XL1099 S is a low modulus silicone sealant that is non-staining, one-part, and neutral cure. It cures upon exposure to moisture vapour to form a durable, elastic silicone rubber. It is formulated to prevent staining on sensitive natural or manufactured substrates and provides outstanding adhesion and long-lasting performance.

Specify Arbosil XL1099 S

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Application and Key Benefits of Arbosil XL1099 S

Arbosil XL1099 S is specifically designed for use against marble, granite, precast concrete and other sensitive natural or manufactured substrates where other sealants may cause staining problems.

Also recommended for sealing perimeter floor joints, PVC-U and aluminum window frames and many other common construction applications. It is not recommended for overpainting, or for use in floor joints over 6 mm wide.

Note: Adhesion and/or compatibility testing may be required on certain substrates, please contact ARBO® Technical Service Department for further information. Not recommended for overpainting and use with laminated glass.

  • Non-Staining: Ideal for use on marble, granite, precast concrete, and other sensitive substrates.

  • Versatile Application: Suitable for sealing perimeter floor joints, aluminium, and uPVC window frames.

  • Excellent Adhesion: Bonds well to a variety of construction materials.

  • Durability: Provides a long service life of over 25 years.

Technical specifications

Technical Data
ColoursWhite, Black, Grey, Anthracite, Limestone, Buff, Portland
MaterialSilicone
Skin Time at 20°C/65 % RH:10-15 minutes
Application Temperature:+5°C to +50°C
Service Temperature:-50°C to +150°C
Typical Shore A Hardness: 25-30
Cure Rate at 20°C/65 % RH:2mm/24 hours
Chemical Resistance:Resistant to most dilute acids and alkalis. Organic solvents may cause the sealant to swell and lose adhesion.
UV Resistance:Very Good
Service Life:25 years+
Movement Accommodation:Butt joints (movement in tension and compression): 50 %
Lap joints (movement in shear):100 %
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CARLISLE® Construction Materials Ltd.

CARLISLE®
Adshead Ratcliffe & Co Ltd., United Kingdom
Derby Road, Belper, Derbyshire, DE56 1WJ
T +44 (0)1773 826661
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