Home
ARBOSIL HM Sealant

ARBOSIL HM Sealant

ARBOSeal Pro® Range


Arbosil HM sealant is a one-part acetoxy cure silicone sealant that cures rapidly on exposure to moisture vapor, forming a resilient elastic silicone rubber. This product contains a fungicide to resist fungus and mildew growth. Arbosil HM bonds well to acrylic, ceramic, glass, and laminate surfaces, maintaining good elasticity and color stability throughout its service life.

Specify Arbosil HM

Add products straight to your project specification or download product info and save for later.

Application and Key Benefits of Arbosil HM

Arbosil HM is recommended for sealing around sanitary fittings including baths, showers, urinals, sinks and wash basins in both domestic and commercial locations and is suitable for use in areas of high humidity. Arbosil HM can also be used to seal around laminates and worktops and suitable for both interior and exterior use.

Note: Not recommended for overpainting, use against most metals, or use against natural stone. Contact ARBO Technical Services for advice on suitable products for these applications.

  • Rapid Cure: Fast curing time for efficient application.

  • Protection: Contains fungicide to inhibit mould and mildew growth

  • Versatile Application: Suitable for a wide range of substrates.

  • Internal or External Applications

  • Extensive Color Range: Available in multiple colors to match various applications.

  • Durability: Long-lasting performance with a service life of over 25 years

Technical specifications

Technical Data
ColoursWhite, Black, Translucent, Aluminium, Jasmine, Manhattan
MaterialSilicone
Skin Time at 20°C/65 % RH:10-20 minutes
Application Temperature:+5°C to +50°C
Service Temperature:-50°C to +150°C
Cure Rate at 20°C/65 % RH:2mm/24 hours
Chemical Resistance:Resistant to most alkalis and dilute acids; organic solvents may cause the sealant to swell and lose adhesion, but do not directly dissolve the sealant.
UV Resistance:Very Good
Service Life:25 years+
Movement Accommodation:Butt joints (movement in tension and compression): 25 %
Lap joints (movement in shear):50 %
Need Further Assistance?
Get in touch
We are committed to providing the support you need.
Are you looking for an expert advise and/or more information? Our team is here to help!
CCM Logo
CARLISLE® Construction Materials Ltd.

CARLISLE®
Adshead Ratcliffe & Co Ltd., United Kingdom
Derby Road, Belper, Derbyshire, DE56 1WJ
T +44 (0)1773 826661
F +44 (0)1773 821215
E info.arbo@ccm-europe.com

© 2025 CCM Europe