Light R Value Insulation of Polycarbonate Sheet

Light R Value, etc – SHGC=Solar Heat Gain Coefficient, Low is less heat    Sheet Cross Sections    Base & Cap Install

Thickness   Color
Walls Light
R-value lb.ft. Bend Length Width
SHGC
8mm – 5/16″ Clear 2 Wall 82% 1.7 .31 55″ 4-48′ 4’&6′ .82
 10 year White 40% .68
 Warranty Bronze 50%  .55
8mm “20 yr” Clear 2 Wall 82% .35
.82
20 year Softlite 79% .77
10mm – 3/8″ Clear 2 Wall 80% 1.8 .37 69″ .80
 10 year White 40% .68
Bronze 50% .55
16mm – 5/8″ Clear 3 Wall 76% 2.4 .57 110″ .78
 10 year White 40% .57
Bronze 50% .53
16mm “20 yr” Clear 3 Wall 74% .60 48″
.78
20 year Softlite 72% .73
16mm-X Clear X Wall 59% 3.03 .64 120″ 4 -39′ .58
20 year White 49% .52
25mm X-Wall Clear X Wall 58% 3.7 .70 Do not
.65
Plus White
49% Bend .54
 10 year Bronze 28% .42
25mm 3-Wall
Clear
3 Wall 74% 3.0 .62 120 4 – 48″
.69
20 year Softlite 72% .67

* Bronze gets hot, dramatically expands. Opal light transmission is low, best for areas that get hot, hides dirt too.
* Sheet must be Installed with ribs vertical on walls and with the slope on roof.    Minimum Roof Slope 5º (1/12)

Polycarbonate Greenhouse and Sunroom Building Supplies