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SIKA 581
Air barrier and waterproof cement-based coating for concrete and masonry. Sika Thoroseal®-581 is a Portland cement-based coating for concrete and masonry that resists both air infiltration and positive as well as negative hydrostatic pressure. Polymer-modified with Sika Thoroseal® Acryl 60, Sika Thoroseal®-581 creates a low maintenance and highly durable waterproof barrier.
| Bulk Density | : | 2700 kg/cc |
| Color | : | White |
| Compositions | : | Quartz (SiO2), Cement, Portland, Chemicals, Calcium Dihydroxide, Titanium Dioxide, Gypsum, Limestone |
| Container Type | : | Pail |
| Flammability Rating | : | 0 |
| Form | : | Powder |
| Net Content | : | 50 lb |
| Odor/Scent | : | Earthy |
| Solubility in Water | : | Dispersible |
| Specific Gravity | : | 2.7 |
| pH Range | : | 12 |
- Waterproof to help protect building interiors from dampness and moisture damage
- Air barrier reduces air infiltration
- Resistant to both positive and negative hydrostatic pressure, making Sika Thoroseal®-581 suitable for use below grade interior and exterior and in water treatment construction
- Breathable, allowing interior moisture to escape without damaging the coating
- Compatible with high-performance coatings, including a wide range of architectural coatings and textured finishes
- Hides minor surface defects and blemishes in architectural concrete
- Certified to the NSF/ANSI Standard 61 for potable water contact
SDS