| Material |
Exterior Grade Rigid Vinyl Seawall |
| Shape |
Box shape |
| Section Width (W) |
20 inches
(508 mm) |
| Section Depth (D) |
8 inches
(203 mm) |
| Thickness (T) |
.300 inches
(7.62 mm) |
| Moment of Inertia |
70.07 in⁴/ft
(9,655 cm⁴/m) |
| Section Modulus |
16.1 in³/ft
(866 cm³/m) |
| Ultimate Moment |
8,720 ft-lbs/ft
(4,005 kg-m/m) |
| Allowable Moment |
4,360 ft-lbs/ft
(2,002 kg-m/m) |
| Tensile Strength (ASTM-D638) |
6,500 lbs/in²
(44.8 Mpa) |
| Flexural Strength (ASTM D790) |
10,200 Psi
(70.3 Mpa) |
| Modulus of Elasticity (STM-D790) |
380,000 Psi
(2,620 Mpa) |
| Notched Izod Impact (ASTM-D256) |
13.75 lbs/in
(2.46 kg/cm) |
| Heat Deflection Temperature (ASTM-D648) |
158°F
(70°C) |