Twin Wall Products
Multi-wall polycarbonate twin wall sheetis produced in 4mm, 6mm, 8 mm and 10 mm. These products provide high light transmission, good thermal insulation, high temperature resistance, high impact strength (hail resistance) and can haveour min-dew coating which eliminates condensation and water droplets.
Twin wall is the most economical grade of multi-wall sheet available; it comes with a 10 year warranty against yellowing and damage from hail.
SIZE | WEIGHT lbs/sq. ft. |
LIGHT TRANSMISSION |
THERMAL INSULATION | ||
CLEAR |
OPAL |
BRONZE |
|||
4 mm Twin Wall* |
.164 |
82% |
60% |
25% |
R-1.58 |
6 mm Twin Wall |
.246 |
80% |
60% |
25% |
R-1.77 |
8 mm Twin Wall |
.307 |
80% |
60% |
25% |
R-1.89 |
10 mm Twin Wall |
.375 |
80% |
55% |
25% |
R-1.89 |
* Special Order Item