Façade Membrane BS-1
Façade Membrane BS-1 uses the same quality ARBO® EPDM membrane with the addition of one butyl strip, providing easy and clean application to timber and composite window and door frames. The butyl strip ensures precise positioning and strong initial adhesion without additional adhesive on the frame face.
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Unique properties of ARBO® Façade Membrane BS-1
The butyl strip on Façade Membrane BS-1 eliminates the need to apply adhesive directly to the frame face, speeding up installation and ensuring a consistent, clean bond to timber and composite frames.
Same quality ARBO® EPDM membrane with added butyl strip for easy frame application
Sealing and waterproofing of construction gaps in building façades
High resistance to mechanical damage
Provides a waterproof and airtight flexible seal
Flexible, robust and easy to install
Excellent weathering, ageing and UV resistance – life expectancy 50 years
Compatible with ARBO® MA and SA Adhesives
Does not affect solvent-sensitive paint finishes or sensitive substrates such as natural stone
Technical Specifications & Downloads
| Describtion | Performance |
|---|---|
| Water Tightness (EN 1928) | Pass |
| Modulus 300% (Mpa) N/mm2 (EN 12311-2B) | ≥ 6 |
| Hardness (Shore A) | 50-70 |
| Low temperature flexibility C (EN 495-5) | -70 |
| Tear strength (KN/m) | ≥ 35 |
| Water vapour permeability (μ) | 40,000 |
| Water tightness (EN1928) | Pass |
| Tensile strength (N/mm2) (123113-2) | ≥ 9 |
| Durability (heat ageing) (EN1928) | Pass |
| Durability (alkali) (EN12113-2) | Pass |
| Ozone | Resitant |
| UV | Resitant |
| Life Expectancy | 50 years |
| Elongation (%) (EN12311-2B) | ≥ 400 |
| Reaction to fire (EN 13501-1) | Class E |
Associated Products
Frequently Asked Questions
Explore the ARBO® Product Family
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Sealants
Sealants for reliable movement joint, perimeter and weatherproof sealing in a wide range of applications.
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Weather Protection
Effective weather sealing solutions for interface applications, penetration sealing and structural joints.
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Adhesives
Bonding solutions for secure and durable adhesion across façade and construction substrates.
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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