• GreenhouseToGrow 12-pack of 4mm high-density twin-wall polycarbonate greenhouse panels, 2 ft. x 4 ft. each, showing UV-protected sheets, double-wall construction, and insulation benefits.
  • 12-pack of 4mm high-density twin-wall polycarbonate greenhouse panels, 2 ft. x 4 ft. each, UV-protected with 0.16-inch thickness, showing panel dimensions and double-wall structure.
  • 118"x27.5" Polycarbonate Greenhouse Panels Waterproof UV Protected 4mm GreenhouseToGrow
  • 118"x27.5" Polycarbonate Greenhouse Panels Waterproof UV Protected 4mm GreenhouseToGrow
  • 118"x27.5" Polycarbonate Greenhouse Panels Waterproof UV Protected 4mm GreenhouseToGrow
  • 118"x27.5" Polycarbonate Greenhouse Panels Waterproof UV Protected 4mm GreenhouseToGrow
  • 118"x27.5" Polycarbonate Greenhouse Panels Waterproof UV Protected 4mm GreenhouseToGrow
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12-Pack 4mm High-Density Twin-Wall Polycarbonate Greenhouse Panels – 2' × 4' UV Protected

12-Pack 4mm High-Density Twin-Wall Polycarbonate Greenhouse Panels – 2' × 4' UV Protected

$175.00 USD
$280.00 USD $175.00 USD
Sale Sold out

High-Density Double-Wall Polycarbonate Greenhouse Panels – 12 Pack

Build, repair, or upgrade your greenhouse with premium 4mm high-density twin-wall polycarbonate panels from GreenhouseToGrow. Designed for year-round gardening, these lightweight, impact-resistant panels provide thermal insulation, natural light transmission, and reliable protection from outdoor weather.

Key Features

  • High-Density Construction: 0.7 kg/m² (700 g/m²) panel weight for durable, lightweight greenhouse glazing.
  • Double-Wall Insulation: Twin-wall air channels help retain warmth during cold weather and reduce heat loss.
  • UV Protected: Designed to withstand outdoor sun exposure while helping protect plants.
  • 96 Sq. Ft. Coverage: Includes 12 panels measuring 2' × 4' each.
  • Weather Resistant: Helps protect greenhouse plants from rain, wind, and changing temperatures.
  • Easy to Cut & Install: Lightweight sheets can be trimmed for greenhouse roofs, walls, cold frames, and DIY projects.

Product Specifications

Specification Details
Material High-density polycarbonate
Panel construction Twin-wall / double-wall
Thickness 4mm (0.16")
Panel size 2' × 4'
Quantity 12 panels
Total nominal coverage 96 sq. ft.
Material weight 0.7 kg/m² (700 g/m²)
Color Clear
UV protection Yes

GreenhouseToGrow 4mm polycarbonate panels offer a practical, lightweight solution for greenhouse replacement panels, backyard greenhouse construction, and year-round plant protection.

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