4mm 6.9'x19.7' Clear Twinwall Polycarbonate Sheet

4mm Twin Wall Clear Polycarbonate Panels – Ideal for Hobby Greenhouses

Upgrade your greenhouse with 4mm Twin Wall Clear Polycarbonate Panels, engineered for durability, energy efficiency, and optimal plant health. These lightweight yet virtually unbreakable panels are designed to replace standard greenhouse glazing while offering superior performance.

Key Features:

• Double Wall Construction (4mm thick)
  Delivers excellent insulation with an R-Factor of 1.49 (U-Factor 0.67) to retain warmth in winter and reduce overheating in summer.

• High Light Transmission
  Allows 82% light transmission, ideal for healthy plant growth.

• UV Protection
  Blocks 99.5% of harmful UV rays with an integrated co-extruded UV layer—protecting both plants and materials inside.

• Anti-Drip Coating
  Special bottom coating prevents condensation from dripping onto plants or surfaces.

• Virtually Unbreakable
  Impact-resistant material ensures long-lasting durability, even in harsh conditions.

• Energy Efficient
  Multiwall design reduces heating costs and maintains a more stable internal climate.

• Lightweight & Easy to Handle
  Weighs only 0.16 lbs per sq. ft., making it simple to cut and install.