Triple Wall Polycarbonate Panel (4' X 8') - SEG408



  • In stock. Ships from our warehouse in Northern California.
A crate is required to ship these via truck, and the charge will be added to your order. $50 per Crate, which holds up to 8 panels. Ships via truck only.

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  • Buy 10 for $89.99 each and save 11%
  • Buy 20 for $79.99 each and save 21%

Triple wall glazing sheets for building your own greenhouse.

Transmits 75% of visible light and comes in a 4' x 8' size.

U-factor is .528 R-factor is 1.89

It contains a UV barrier to increase the longevity of the sheets.

This material is 1/16 the weight of a single pane of glass.

Actual width is 47.25" to allow for expansion. Thickness is 5/16"

Rib spacing of the plastic that comprises the triple wall is 0.3125"

Limited 10 year warranty.

Note: Before removing the outer film covering on panels, check to see which side must be placed on the outside.

  • Item Model Number: SEG408
  • Shipping Dimensions: 96 x 48 x 0.125 inches
  • Shipping Weight: 13 pounds
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