Description
Paintable Sealant for Low Movement Joints & Roofing Applications
Butyrub is a polybutene-based sealant designed for sealing static and low movement joints in construction, roofing and industrial applications. Its semi-setting formulation forms a surface skin while remaining uncured beneath, providing a self-repairing seal that helps maintain long-term weather resistance.
Offering excellent adhesion to a wide range of construction materials, Butyrub is suitable for masonry joints, window and door frames, roofing details and metal construction projects. The sealant can be painted after approximately 24 hours using suitably flexible coatings, making it ideal for applications where appearance is important.
With strong UV, weather and chemical resistance, Butyrub provides reliable performance for both interior and exterior sealing projects.
Key Features & Benefits
- Polybutene-based sealant
- Designed for static and low movement joints
- Suitable for joints with movement up to 5%
- Excellent adhesion to construction materials
- Self-repairing formulation
- Forms a skin while remaining uncured beneath
- Semi-setting sealant
- Paintable after approximately 24 hours
- UV resistant
- Weather resistant
- Excellent chemical resistance
- Easy to apply
- Suitable for interior and exterior use
- Ideal for roofing and construction applications
Suitable Applications
- Sealing low movement joints
- Masonry joint sealing
- Window frame sealing
- Door frame sealing
- Window sill sealing
- Roofing joint sealing
- Sheet metal roofing lap joints
- Roof penetration sealing
- Caravan construction joints
- Container construction joints
- Vehicle body sealing
- General construction maintenance
Suitable Materials
- Masonry
- Timber
- Window frames
- Door frames
- Sheet metal
- Roofing materials
- Common construction substrates
Technical Information
- Base: Polybutene
- Joint Movement Capability: Up to 5%
- Cure Type: Semi-setting
- Paintable: Yes
- Paint Over Time: Approximately 24 hours
- UV Resistant: Yes
- Weather Resistant: Yes
- Chemical Resistant: Yes
- Application Method: Manual or pneumatic caulking gun
Frequently Asked Questions
What is Butyrub used for?
Butyrub is designed for sealing static and low movement joints in construction, roofing, vehicle body, caravan and container applications.
What does self-repairing mean?
The sealant forms a protective skin on the surface while remaining uncured underneath, helping maintain the seal if minor surface damage occurs.
Can Butyrub be painted?
Yes. It can typically be painted after approximately 24 hours using a sufficiently flexible coating suitable for elasto-plastic sealants.
Is it suitable for roofing applications?
Yes. It is commonly used for lap joints in sheet metal roofing and sealing openings in roof constructions.
How much movement can the sealant accommodate?
Butyrub is designed for static and low movement joints with movement capability of up to 5%.
Is it suitable for outdoor use?
Yes. The sealant offers good UV resistance, weather resistance and chemical resistance for exterior applications.
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