STA-KOOL® 390, White acrylic sealant flexible roof patch is an extra tough, flexible repair compound designed to patch splits, cracks and holes in roof surfaces. This water-based patch dries quickly to a non-tacky surface which offers great adhesion to all coatings applied over it. It is designed to repair cracks and holes up to 1 in width. STA-KOOL® 390 should be used with universal patching fabric. STA-KOOL® 390 remains flexible while it expands and contracts with your repair, making it ideal to use with all STA-KOOL® products.
Product Details
Manufacturer: GARDNER-GIBSON
Manufacturer's Part Number: SK-3909
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Product Features
- Stops leaks
- Use with reinforcing fabric
- Long-lasting flexible repair
- Use with reflective coatings
Product Specifications
| Application Method | Stiff Bristle Paint Brush |
| Boiling Point | 212 to 245 deg F |
| Color | White |
| Compositions | Acrylic Polymer Solution, Calcium Carbonate, Kaolin Clay, Titanium Dioxide, Dinonyl Pthalate, Propylene Glycol, Texanol Ester |
| Curing Time | 24 to 48 hr |
| Density | 12.06 lb/gal |
| Flash Point | >247 deg F |
| Form | Liquid |
| Net Content | 10 fl-oz |
| Odor/Scent | Acrylic Paint-Like |
| pH Range | 8 |
| Specific Gravity | 1.44 |
| Temperature Rating | 65 deg F |
| Viscosity | 190,000 cPs |
| VOC Content | <45 g/L |
Product Documents
| SDS | Click here to download |