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. Online purchases are in packages of 4.
| Id | 200595 |
| SKU | 1535996 |
| PartNo | SK-3901 |
| UPC | 025056390165 |
| Country of Origin |  USA |
| Form | Liquid |
| Color | White |
| Odor/Scent | Acrylic Paint-Like |
| Net Content | 1 Gal |
| Compositions | Acrylic Polymer Solution, Calcium Carbonate, Kaolin Clay, Titanium Dioxide, Dinonyl Pthalate, Propylene Glycol, Texanol Ester |
| Viscosity | 190,000 CPs |
| VOC Content | <45 G/L |
| Application Method | Stiff Bristle Paint Brush |
| Flash Point | >247 Deg F |
| Boiling Point | 212 To 245 Deg F |
| Temperature Rating | 65 Deg F |
| Density | 12.06 Lb/gal |
| Specific Gravity | 1.44 |
| Curing Time | 24 To 48 Hr |
| PH Range | 8 |
| CID | 9 |
R.P. Lumber - Edwardsville, IL