Reduce high greenhouse heating bills using 8mm triple wall polycarbonate panels. With a U-Factor of .50, our triple wall panel is 14% more energy efficient than standard 8mm twin-wall. Triple wall structure offers high impact resistance, excellent heat retention and 76% light transmission. Includes anti-condensate coating to prevent dripping. ThermaGlas Multi-wall Polycarbonate Sheet is designed and engineered specifically for commercial greenhouse use. ThermaGlas offers 99.5% UV protection. The multiwall design and light weight of the sheet enables a reduction in the cost of the supporting structure. Shatterproof polycarbonate coupled with integrated UV resistant co-extruded layer yields long service periods backed up by a 10 year limited warranty. The cellular multi-layer structure reduces heating costs in winter while minimizing excessive heat in summer. A special coating on the bottom side eliminates condensation dripping. ThermaGlas blocks ultraviolet rays that burn plants and living tissues, and transmits only beneficial radiation. 8mm Thickness for triple wall Custom Sizes Available Can be easily cut in any pattern using a circular saw with a fine tooth blade 76% light transmission 10 year limited warranty against UV degradation Approx. Weight: .368 lbs per sq. ft. Will Call Pick-UpSave on shipping by picking up your polycarbonate order. Certain sizes are stocked for pick-up at our Illinois and Wisconsin locations Call 1-888-281-9337 to order and schedule pick-up Longer Lengths & Custom QuantitiesPanels over 16' and non-pack (custom) quantities are available by special order. Call 1-888-281-9337 for a quote from a Sales Representative. Schools & InstitutionsPurchase orders are accepted from schools and institutions. Contact a representative by email at [email protected] or by phone at 1-888-281-9337 to place an order with a PO. Automatic SavingsNo coupon code required — discounts apply automatically in your cart: 5% off orders over $5,000 on Polycarbonate Sheets! 10% off orders over $10,000 on Polycarbonate Sheets! Additional InformationThermaGlas Assembly & Storage Guide (PDF)Multi-wall Polycarbonate Installation Instructions (PDF)ThermaGlas Technical and Installation Guide (PDF)ThermaGlas Limited Warranty (PDF) Polycarbonate Crating FeeThere is a crating charge added to this item in checkout. Individual wood crates are constructed to protect polycarbonate panels during motor freight shipment.