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Polycarb / Fibreglass & Twin Wall : Twinwall & Multiwall

Comparison to Glass

10mm Multiwall10mm Standard Clear Glass
Thermal U-value3.0 W/m2k5.7 W/m2k
Impact Resistance2501
UV Resistance99.90%0%
Weight1.7kg/m225kg/m2
Sound Insulation19db28db

Sheet Colours, Size and Spanning

A MINIMUM OF 5 DEGREE FALL IS REQUIRED

COLOURS

10mm – Clear, Opal, Bronze, Grey, Metallic Grey

16mm – Clear, Opal

sizeRafterPurlinsRafterPurlins
Widths700mm, 1050mm
Lengths2.0m, 2.5m, 3.0m, 3.5m, 4.0m, 4.5m, 5.0m, 5.5m, 6.0m, 7.0m
Other sizes and colours may be available.
Please confirm availability before ordering.
700mm
1050mm
Rafter
Purlins
Rafter
Purlins
10mm
720mm
not required
1050mm
not required
16mm
720mm
not required
1050mm
not required
Above figures based on 1.5kPa.
For installation in high winds, please contact Zammit Roofing.
Sheet mass
10mm1700 gsm
16mm2700 gsm

Available Sheet Structure

Ampelite recommend using standard gauge 10 mm twinwall sheeting for most residential and smaller commercial applications.
The 16 mm gauge is often specified for larger projects.

A range of other gauges to suit almost any project are available subject to order quantities.
Please consult your nearest Zammit Roofing

Available Sheet Structure - Twinwall zammit roofing products

Light and Heat Transmission

10mm TwinwallLTSHGC
10mm Twinwall
U-Value: 3.0W/m2kLTSHGC
Clear81%0.85
Opal64%0.71
Bronze35%0.55
Grey20%0.50
Metallic16%0.29
16mm Tripplewall
U-Value: 2.27 W/m2K
Clear74%0.78
Opal63%0.69

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