Polycarbonate Sheeting

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Polycarbonate Translucent Roof Sheeting is the strongest plastic material in the world, it is 250 times stronger than glass of the same thickness and is EXTREMELY FLEXIBLE and durable.

This co-extruded material is available in a 0.8mm, 1mm and 1.25mm thickness.

Colour Chart

Colour Light Transmission Heat Transmission
CLEAR 93% 101%
GREEN 75% 75%
BLUE 75% 75%
BRONZE 75% 75%
DIFFUSER 85% 85%
OPAL 35% 30%
HEAT STOP 50% 20%


  • Rust Proof
  • Hail Proof
  • Does not fade or crack
  • Highest fire rating in the world (Self Extinguishing)
  • Flexible
  • UV protected
  • Recommended Purlin spacing for 1mm would be 1.2m apart
  • Recommended Purlin spacing for 1.25mm would be 2m apart
  • 1mm and 1.25mm cut to any length up to 11.8m
  • Virgin Resin







Nurib / Wide Span


 Klip Lock 700




Big Six

 BIG 6


 Click Here to download DIY Heat-Blocking for Polycarbonate Sheets

Click Here to download the Rooflights Technical Guide


The fastening touch for translucent sheeting


The fixing of translucent sheeting in the form of polycarbonate, fibre glass or plastic can often be a cumbersome task, or, if the correct fastening procedures aren’t followed the result could be cracked sheeting or cladding.

Due to the relatively high expansion and contraction factor of translucent sheeting a pilot hole with a diameter at least 1mm greater than the screw diameter should be drilled through the sheeting. If a self tapping screw is used to fix the sheeting, a second (smaller diameter) hole then has to be drilled through the steel purlin before the screw can be driven into the purlin. This would require two or three operators using two drilling machines and one electric screwdriver – a time consuming, labour intensive and expensive way of fixing the sheeting

A new fastener is now available in South Africa that will make the fixing of translucent sheeting to steel purlins a one step operation.

The new polycarbonate / fibre glass self drilling screw will drill through the sheeting and steel purlin; the thread will tap its own thread into the steel purlin; the reaming wings above the thread will ream a larger diameter hole through the sheeting and finally the screw will fasten the sheeting and provide a watertight seal with a pre-assembled galvanised BAZ EPDM washer. The new fasteners are available in two lengths i.e. 50mm and 75mm for use on corrugated and I.B.R profiles.

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