Alpha’s Style 332 Hullboard is a satin weave fiberglass fabric coated with a white sizing. Alpha Style 332 Hullboard meets the requirements of MIL-C-20079H Type 1, Class 2. Developed as a vapor barrier facing for fiberglass hull board used for thermal insulation of ship’s bulkheads, structural stiffeners and air conditioning ductwork, where a superior vapor barrier is required.
| Width | 23.875", 47.875" |
|---|---|
| Roll Length | 250, 500 |
| Color | White |
| Base Fabric | 332 Untreated |
| Coating Type | ACRYLIC |
| Thickness (in.) ASTM-D-1777 | 0.016 |
| Weight (oz/sy) ASTM-D-3776 | 14.2 |
| Tensile Strength ASTM-D-5035 | 300 |
| Tear Strength ASTM-D-5587 | 48 |
