Marlon CST Heatguard corrugated multi-wall polycarbonate sheet provides all the durability and impact resistance of corrugated polycarbonate sheet with the added insulation and rigidity provided by the multi-wall structure. Co-extruded UV protection provides resistance against the effects of UV weathering. Marlon CST can be used with fibre cement sheeting or as a complete roof and wall cladding material.
Marlon CST Heatguard has been developed with an advanced heat reflective pigment allowing high levels of natural daylight to be transmitted into buildings whilst significantly reducing heat transfer. The result is a bright building with a controlled and comfortable temperature internally which is beneficial to the wellbeing and productivity of animals. Marlon CST Heatguard is available is three pigment intensities to suit specification.
LARGE ORDER DISCOUNTS AVAILABLE
MCS Roofing & Cladding Supplies is a family run business and we pride ourselves on providing excellent customer service. If you would like any help or assistance, please don’t hesitate to call us on 01538 398 708 or email info@mcsroofing.co.uk where our friendly team will be waiting to help you.
Profile DIMENSIONS

overview
- Up to 36% light transmission
- Heat reflecting pigment reduces solar heat gain up to 32%
- Light in weight – 8 times lighter than fibre cement sheets
- Three pigment intensities: HG100 (RG), HG50 (EGWR), HG25 (COQ)
- Sheet Lengths: Made-to-Order (Max Length 5200mm)
TRANSMISSION
| Colour | Light | Solar |
| HG100 (RG) | 10% | 10% |
| HG50 (EGWR) | 20% | 18% |
| HG25 (COQ) | 36% | 32% |
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