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Ampelite Thermoclear Twin Wall

Lexan Thermoclear Multiwall polycarbonate sheeting is available in a range of colours for use in a wide range of commercial, industrial and domestic applications. Light weight, easy installation, excellent thermal insulation and solar properties make Lexan Thermoclear sheet and attractive and very cost effective alternative to glass.

Typical applications:
  • Covered walkways
  • Pergolas
  • Shopping Centres
  • Sports Complexes
  • Industrial Glazing
  • Swimming Pool Enclosures
  • Screening/Partitioning
  • Greenhouses

Effective thermal insulation
The Kelvin value for 8mm Thermoclear Multiwall is 3.3 and for 10mm 3.0 - Thicker sheets have still lower K-values.

UV protection to both sides of sheet
Both sides of the sheet have co-extruded UV protection to provide high resistance to yellowing and the damaging effects of UV radiation. This feature eliminates the problem of sheets being installed with an unprotected surface exposed to the weather with resultant UV damage. Angle cuts can be reversed, so there is also an economic gain when cutting requirements are high.

Purlins Rafters
10mm 1.2m 1.07m
10mm 1700gsm

The span between battens or supports should not exceed the above measurements.

Above figures based on 900N/M2. For installation in high wind areas, please contact Ampelite.

Sheet Lengths

Colours Width Structures
Clear, Opal, Bronze, Grey 1.05m All Structures
Available lengths: 2m, 2.5m, 3.0m, 3.5m, 4.0m, 4.5m, 5.0m, 6.0m, 7.0m.

Light and Total Solar Transmission

Colour Light % Heat %
Clear 80 85
Opal 48 71
Bronze 35 55
Grey 20 50
Metallic Grey 15 29

Recommended Curves

Generally the minimum radius is 1.75m.


LIGHT TRANSMISSION: For a period of ten years from the time of purchase, the sheet is warranted not to lose more than 2% of light transmission of that when new. The test method to assess loss of light transmission will be ASTMD 1003-1995.

IMPACT RESISTANCE: For a period of 10 years from the time of purchase, the sheet is warranted not to fracture under the impact of hail measuring up to 25mm in diameter. Damage caused by the impact of objects other than hail is excluded from this warranty.

The full ten year limited Warranty is available from Ampelite state offices. It is the purchaser's responsibility to obtain the details of the warranty offered in addition to consumer rights conveyed by Government regulations. Any warranty claim must be made in writing to an Ampelite office.


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All images & prices are representative only. All prices include GST & are subject to change. All sales are as per our terms & conditionsCopyright 2017 - Mancer Corp Pty Ltd