Top PU Sealant for Roofing – Durable & Weather-Resistant
KASTAR PR PU Sealant for Roofing is a high-performance, one-component polyurethane sealant specifically formulated to provide long-lasting, weather-resistant sealing for roofing applications. Its advanced formulation ensures excellent adhesion to roofing materials such as concrete, metal, and asphalt, creating flexible and durable seals that withstand extreme weather conditions, UV exposure, and temperature fluctuations. KASTAR PR is designed for easy application, offering a smooth, non-sagging consistency that ensures precise sealing of roof joints, seams, and penetrations. It is the ideal solution for preventing leaks and maintaining the structural integrity of roofs.
Appearance: Smooth paste
Density (g/cm³): 1.37
Sagging properties (mm): 0
Shore A hardness (A°): 50
Tack free time (min): 85
Tensile strength (MPa): 6.0
KASTAR PR PU Sealant for Roofing is designed to provide reliable sealing for all roofing applications. Its polyurethane-based formula ensures excellent adhesion to roofing materials, including concrete, metal, and asphalt, making it the perfect choice for sealing roof joints, seams, and flashing. This “PU sealant for roofing” is resistant to UV rays, rain, and extreme temperature fluctuations, ensuring long-lasting durability in harsh weather conditions.
The sealant’s flexibility allows it to accommodate the natural expansion and contraction of roofing materials, preventing cracks and maintaining a watertight seal over time. Its non-sagging consistency ensures precise application on horizontal and vertical surfaces, delivering a clean and professional finish. Whether used for new roofing installations or repair projects, KASTAR PR offers unmatched performance and protection against leaks and water damage.
- Roof Joints: Provides flexible sealing for dynamic roof joints and seams.
- Flashing & Penetrations: Ensures a watertight seal around chimneys, vents, and skylights.
- Roof Repairs: Ideal for patching and sealing cracks and leaks in existing roofs.
- Waterproofing: Suitable for enhancing the durability of roofs in high-moisture environments.
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| NO. | ITEM | DATA |
| 1 | Basic material | Polyurethane Polymer |
| 2 | Color | White, Gray, or Black |
| 3 | Consistency | Paste |
| 4 | Application Consistency | Caulking Gun |
| 5 | Net Weight | 600 ml |
| 6 | Average Nonvolatile(FSTM 9A) | 94% |
| 7 | Temperature Resistance | -20℃ to 120℃ |
| 8 | Service Temperature limits | -10℃ to 100℃ |
| 9 | Storage Temperature | 5℃ to 35℃ |
| 10 | Application Temperature | 5℃ to 40℃ |
| 11 | Skin Drying Time(mins) | 85 |
| 12 | Density | 1.37 |
| 13 | Shrinkage(mm) | 0 |
| 14 | Tack free time（min） | 85 |
| 15 | Curing rate(2mm/h) | 24 hours |
| 16 | Solid content (%) | 94 |
| 17 | Shelf life | 12 months |
| 18 | Storage | Store in a cool, dry place away from direct su |
KASTAR PR PU Sealant for Roofing is designed to provide reliable sealing for all roofing applications. Its polyurethane-based formula ensures excellent adhesion to roofing materials, including concrete, metal, and asphalt, making it the perfect choice for sealing roof joints, seams, and flashing. This “PU sealant for roofing” is resistant to UV rays, rain, and extreme temperature fluctuations, ensuring long-lasting durability in harsh weather conditions.
The sealant’s flexibility allows it to accommodate the natural expansion and contraction of roofing materials, preventing cracks and maintaining a watertight seal over time. Its non-sagging consistency ensures precise application on horizontal and vertical surfaces, delivering a clean and professional finish. Whether used for new roofing installations or repair projects, KASTAR PR offers unmatched performance and protection against leaks and water damage.
- Roof Joints: Provides flexible sealing for dynamic roof joints and seams.
- Flashing & Penetrations: Ensures a watertight seal around chimneys, vents, and skylights.
- Roof Repairs: Ideal for patching and sealing cracks and leaks in existing roofs.
- Waterproofing: Suitable for enhancing the durability of roofs in high-moisture environments.
|
|
|
| NO. | ITEM | DATA |
| 1 | Basic material | Polyurethane Polymer |
| 2 | Color | White, Gray, or Black |
| 3 | Consistency | Paste |
| 4 | Application Consistency | Caulking Gun |
| 5 | Net Weight | 600 ml |
| 6 | Average Nonvolatile(FSTM 9A) | 94% |
| 7 | Temperature Resistance | -20℃ to 120℃ |
| 8 | Service Temperature limits | -10℃ to 100℃ |
| 9 | Storage Temperature | 5℃ to 35℃ |
| 10 | Application Temperature | 5℃ to 40℃ |
| 11 | Skin Drying Time(mins) | 85 |
| 12 | Density | 1.37 |
| 13 | Shrinkage(mm) | 0 |
| 14 | Tack free time（min） | 85 |
| 15 | Curing rate(2mm/h) | 24 hours |
| 16 | Solid content (%) | 94 |
| 17 | Shelf life | 12 months |
| 18 | Storage | Store in a cool, dry place away from direct su |
KASTAR 281 Acrylic Liquid Nail – Strong & Reliable Formula
