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.
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