Description
Airtight & Weatherproof Liquid Membrane for Building Joints & Penetrations
Soudatight Hybrid is a high-performance liquid membrane based on Hybrid Polymer technology, designed to create airtight and driving rain-resistant seals around building penetrations, joints and construction connections. The seamless membrane helps improve building airtightness while remaining vapour permeable, allowing moisture vapour to escape from the structure.
Suitable for both internal and external applications, Soudatight Hybrid provides a flexible and durable seal that remains elastic after curing. The product can be applied as a coating or extruded in beads, making it ideal for sealing difficult details where conventional tapes and membranes may be harder to install.
Its solvent-free and isocyanate-free formulation offers excellent adhesion to slightly moist and slightly dusty substrates. Once cured, the membrane can be plastered, painted or covered with suitable tapes, making it ideal for modern airtight construction projects.
Key Features & Benefits
- Hybrid Polymer liquid membrane
- Airtight membrane system
- Driving rain resistant
- Vapour permeable
- Suitable for internal and external applications
- Creates a seamless membrane
- Permanently elastic after curing
- Excellent durability
- Good adhesion to slightly moist substrates
- Good adhesion to slightly dusty substrates
- Paintable after curing
- Plasterable after curing
- Can be covered with tapes after curing
- Solvent-free formulation
- Isocyanate-free formulation
- Very low emission product
- Suitable for airtight building construction
Suitable Applications
- Airtight sealing of construction joints
- Airtight sealing around penetrations
- Window installation detailing
- Door installation detailing
- Building envelope sealing
- Service penetration sealing
- Connection joint sealing
- Airtight construction projects
- Weatherproof building details
- Refurbishment projects
- New-build construction
- Air barrier system installations
Suitable Substrates
- Concrete
- Masonry
- Brickwork
- Timber
- Metal
- PVCu
- Common construction materials
- Slightly moist substrates
- Slightly dusty substrates
Technical Information
- Base: Hybrid Polymer
- Membrane Type: Liquid applied
- Airtight: Yes
- Driving Rain Resistant: Yes
- Vapour Permeable: Yes
- Elastic After Curing: Yes
- Paintable: Yes
- Plasterable: Yes
- Solvent-Free: Yes
- Isocyanate-Free: Yes
- Internal Use: Yes
- External Use: Yes
- UV Resistance: Limited
- Emissions Classification: GEV EMICODE EC1 Plus
Frequently Asked Questions
What is Soudatight Hybrid used for?
It is designed to create airtight and driving rain-resistant seals around construction joints, penetrations and building connections.
Can it be used outdoors?
Yes. Soudatight Hybrid is suitable for both internal and external applications, although it has limited UV resistance and should be protected where required.
Is the membrane vapour permeable?
Yes. The membrane is airtight and weatherproof while remaining vapour permeable.
Can it be painted or plastered?
Yes. Once cured, the membrane can be painted, plastered or covered with suitable tapes.
Can it be applied to slightly damp surfaces?
Yes. It offers good adhesion to slightly moist and slightly dusty substrates.
Is it suitable for roof waterproofing?
No. Soudatight Hybrid is intended for building joints, penetrations and connection details and is not designed for roofing applications.
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