Description
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.
Warranty: Limited Lifetime
⚠ California Prop 65 Warning: Components of this product contain chemicals known in California to cause cancer and birth defects or other reproductive harm:
- Titanium dioxide
| 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: | 1 gal |
| Odor/Scent: | Acrylic Paint-Like |
| pH Range: | 8 |
| Specific Gravity: | 1.44 |
| Temperature Rating: | 65 deg F |
| Viscosity: | 190000 cPs |
| VOC Content: | 45 g/L |
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