4mm Polycarbonate Sheets

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4mm twin-wall polycarbonate sheeting is ideal for use as replacement greenhouse glazing panels as well as many other internal and external uses. It can be supplied in a range of sizes to suit your requirements and is available in clear tint. Please select the colour, length and width you require from the options below.

4mm Polycarbonate Sheets

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Excl. VAT: £0.00 Incl. VAT: £0.00


4mm Multiwall Polycarbonate Sheeting

Mainly used for Greenhouse glazing the sheets are manufactured from damage-resistant polycarbonate with added co-extruded long life protection from the effects of UV rays. Polycarbonate has very high impact resistance & fine optical clarity. The high performance UV absorption layer means longer life and prevention of yellowing and loss of strength. Polycarbonate offers excellent protection against vandalism and accidental damage with an impact resistance up to 200 times greater than glass. This characteristic is maintained over a broad temperature range and prolonged service life.

Main Benefits

  • High levels of natural light
  • Light weight and easy to handle
  • High optical clarity
  • Thermally insulating
  • Damage and impact resistance
  • Weatherable Longlife UV protection
  • 10 year warranty
  • Fits fabricated roof structures and glazing systems


  • Greenhouses
  • Vertical, Secondary and Internal Glazing


  • Tints: Clear

Thickness Chart

4mm Polycarbonate Sheet Thickness

U-Value 3.8
Light Transmission 62%
Weight (kg per sqm) 0.8
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