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Uses
AIM #370 is semi-self-leveling so that it can be used to seal seams and affect repairs on single-ply membranes at any slope. AIM #370 may also be used to fill pitch pockets and pans, seal gutters and metal roof seams and fasteners with minimal tooling. Viscous enough to avoid running and drain out issues encountered with more liquid sealers. Performance range is –40° F to +200° F
Description
AIM #370 Polyurethane Liquid Flashing is a one component, non- shrink, advanced technology polyurethane sealant designed for the construction of liquid flashing systems and sealing pitch pockets and pans, metal roof seams and fasteners, inlaid gutters, polyurethane foam, Asphalt Modified Bitumen, PVC and EPDM roofs. It may also be used on TPO roofs when primed with AIM #702 TPO Primer.
AIM #370 is compatible with AIM water-based acrylic coatings. It is ideal for repairing hail damaged polyurethane foam roofs. It may also be used in conjunction with custom manufactured and metal pitch pockets which can be combined to produce pans of various sizes and shapes.
Specifications
| Viscosity | ASTM D2196 | 100,000 cps |
| Solids by Weight | ASTM D1644 | 100% |
| Solids by Volume | ASTM D267 | 100% |
| Weight Per Gallon | ASTM D1475 | 13 lbs |
| Hardness – Shore A | ASTM C661 | 31 |
| Tensile Strength | ASTM D2370 | 400 psi |
| Elongation | ASTM D2370 | 400% |
| Movement | ASTM C719 | +/-25% |
| Skin Time | ASTM C679 | 30 Minutes |
| Tack Free | ASTM C679 | 2 Hours |
| Flash Point | ASTM D56 | None |
| VOC | EPA24 | 8 g/l /< 1.5% |
Application
It is recommended that the roof surface be wiped clean with Mineral Spirits, Naphtha, or Acetone. (Use care when handling solvents.) This will remove surface contamination and improve adhesion of the sealer to metal, PVC, primed TPO, EPDM and smooth surfaced asphalt and modified bitumen roofs. AIM #702 TPO Primer is required for adhesion to new and aged TPO.
