High-Strength Pool Grout for Long-Lasting Repairs
KASTAR HSG High-Strength Pool Grout is an industrial-grade grout designed to deliver exceptional durability, waterproofing, and crack resistance for swimming pool installations and aquatic environments. Its advanced formula ensures superior adhesion to various tile surfaces, including ceramic, porcelain, and natural stone, while providing high compressive and flexural strength to withstand heavy usage, chemical exposure, and extreme conditions. Resistant to chlorine, UV rays, and staining, KASTAR HSG is ideal for both residential and commercial pools, as well as spas, fountains, and decorative water features. With a smooth, easy-to-apply consistency and non-shrinking properties, this grout ensures seamless grout lines that retain their integrity and appearance over time, preventing water ingress, mold growth, and grout deterioration.
Appearance: Smooth, creamy paste
Density (g/cm³): 1.55
Shrinkage (%) after curing: 0.1%
Compressive strength (MPa): 15.0
Flexural strength (MPa): 7.0
Setting time (min): 25
Curing time (hours): 24
KASTAR HSG High-Strength Pool Grout is engineered to meet the rigorous demands of modern pool installations, offering unparalleled strength and reliability. Its premium-grade formulation delivers robust adhesion to a wide range of tile materials, including ceramic, porcelain, and natural stone, ensuring long-lasting grout lines that resist water ingress and chemical deterioration. This “high-strength pool grout” is specifically designed to withstand harsh conditions, such as exposure to chlorine, UV radiation, and extreme temperatures, making it a trusted solution for both residential and commercial aquatic spaces.
The grout’s non-shrinking and crack-resistant properties provide superior durability and minimize maintenance needs, while its smooth, creamy consistency allows for easy application and precise filling of tile joints. Its high compressive and flexural strength ensures that grout lines remain intact under heavy foot traffic and structural movement. Additionally, KASTAR HSG is mold and mildew resistant, maintaining a clean and hygienic environment in high-moisture areas. With quick setting and curing times, this grout reduces installation downtime and ensures professional-grade finishes for swimming pools, spas, and decorative water features.
- Residential Pools: Provides long-lasting and crack-resistant grout lines for backyard swimming pools, ensuring durability and waterproofing.
- Commercial Pools: Suitable for large-scale commercial pool installations, delivering high-strength grout lines that withstand heavy traffic and chemical exposure.
- Infinity Pools: Ensures seamless and watertight grout lines for infinity pool designs, enhancing structural integrity and aesthetic appeal.
- Spas and Hot Tubs: Offers reliable grout sealing for tile joints in spas and hot tubs, resisting water ingress and chemical damage.
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NO. | ITEM | DATA |
---|---|---|
1 | Basic Material | High-Strength Cement with Polymer Additives |
2 | Color | White, Grey, Custom Colors Available |
3 | Consistency | Creamy Paste |
4 | Application Method | Trowel or Grouting Tool |
5 | Net Weight | 25 kg |
6 | Compressive Strength (MPa) | 15.0 |
7 | Flexural Strength (MPa) | 7.0 |
8 | Setting Time (mins) | 25 |
9 | Curing Time (hours) | 24 |
10 | Waterproof Rating | ASTM C920 Class S |
11 | Mold & Mildew Resistance | Yes |
12 | Color Stability | Non-Yellowing |
13 | Shrinkage | 0.1% |
14 | Application Temperature | 5℃ to 40℃ |
15 | Solid Content (%) | 96% |
16 | Density (g/cm³) | 1.55 |
17 | Shelf Life | 24 months |
18 | Storage Conditions | Store in a cool, dry place away from direct sunlight. |
NO. | ITEM | DATA |
---|---|---|
1 | Basic Material | High-Strength Cement with Polymer Additives |
2 | Color | White, Grey, Custom Colors Available |
3 | Consistency | Creamy Paste |
4 | Application Method | Trowel or Grouting Tool |
5 | Net Weight | 25 kg |
6 | Compressive Strength (MPa) | 15.0 |
7 | Flexural Strength (MPa) | 7.0 |
8 | Setting Time (mins) | 25 |
9 | Curing Time (hours) | 24 |
10 | Waterproof Rating | ASTM C920 Class S |
11 | Mold & Mildew Resistance | Yes |
12 | Color Stability | Non-Yellowing |
13 | Shrinkage | 0.1% |
14 | Application Temperature | 5℃ to 40℃ |
15 | Solid Content (%) | 96% |
16 | Density (g/cm³) | 1.55 |
17 | Shelf Life | 24 months |
18 | Storage Conditions | Store in a cool, dry place away from direct sunlight. |

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