EPS
EPS (Expanding Polystyrene) Cladding is an Insulated Wall Panel that combines exterior cladding with insulation so designers can achieve the 6 star energy ratings that have been introduced into the building code. This is a lightweight, energy efficient product and once coated the system provides a weather resistant, seam free rendered finish. It’s affordability and easy install makes it a preferred cladding on houses, ensuring building remains quick and cost effective.
We prefer to use NRG Greenboard for all our EPS requirements. It’s a leading brand of EPS ensuring a quality product and finish are provided.
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Insulation Qualities
All insulation materials are rated for their performance in restricting heat transfer. This rating is expressed as an R-value which is a measure of the material’s resistance to heat transfer (thermal resistance). The higher the R-value the greater insulating effect.
Total Wall R-value for using Greenboard™ |
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Thickness (mm) |
40mm |
60mm |
75mm |
100mm |
R-value on total wall |
1.92 R |
2.44 R |
2.83 R |
3.48 R |
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Sound Rating
NRG Building Systems has tested 60mm Greenboard™ total wall system and the acoustic performance result was Rw35,Ctr-6. Please refer to NRG test results. The Greenboard™ walling system can be further enhanced by using a “sound rated” insulation batt. Please refer to insulation manufacturer’s specifications.
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Fire Retardant
Greenboard™ contains a flame retardant additive and will not support fire, it has a spread of flame index of zero. If in a fire situation the toxic fumes are no greater than that of timber and other building materials.