SMARTFLEX PU
Low Modulus, Permanently Elastic Polyurethane
Product overview
Bostik SMARTFLEX PU is a high-performance, low modulus, one-component polyurethane sealant designed for optimal flexibility and durability. Once cured, it creates a robust, flexible seal that can accommodate cyclic expansion and compression movement of up to 50% (± 25%) of the original joint width. This advanced sealant offers exceptional resistance to various weathering conditions, including rain, sunlight, ozone, and environmental pollutants, ensuring long-lasting performance in diverse applications.
Geographic availability
- India
Smart Advantages
- Low Modulus Design: Ideal for expansion and connection joints, allowing for significant movement without compromising integrity.
- 50% Movement Capability: Offers a total movement capability of ± 25%, providing versatility in dynamic environments.
- Permanently Elastic: Maintains flexibility over time, adapting to structural movements without cracking or losing adhesion.
- Excellent Extrusion Force: Perfect for narrow joints, ensuring smooth application and effective sealing.
- Non-Sagging Property: Its thixotropic nature prevents sagging during application, maintaining its shape in vertical and overhead joints.
- No Surface Tackiness: After curing, the surface remains tack-free, enhancing the aesthetic finish.
- Exceptional Durability: Designed to withstand harsh weather conditions, ensuring a reliable seal throughout its lifespan.
- Paintable: Suitable for applications on parapet walls and other surfaces, allowing for seamless integration with surrounding materials.
Bostik SMARTFLEX PU is specifically engineered for a variety of construction applications, including:
- Expansion and Connection Joints: Compatible with numerous materials such as concrete, aluminum, fiber cement sheets/boards, wood, and brick.
- Pre-Cast Concrete Panels: Ideal for sealing expansion joints between pre-cast concrete elements, ensuring structural integrity.
- Plasterboard: Effective for sealing the face and paper-lined recessed edges of plasterboard.
- Fiber-Cement Sheets/Boards: Provides a flexible seal for fiber-cement materials, preventing moisture infiltration.
- Aluminum Window Connections: Perfect for sealing joints between aluminum windows and concrete, as well as other waterproofing details.
- Indoor Connection Joints: Suitable for all indoor connection joints, excluding those in wet areas such as toilets or bathrooms.
