PolyX Multiwall Polycarbonate Sheet - 25mm x 800mm x 4mtr - Opal

The 25mm Multiwall Polycarbonate Sheet by Storm is an extremely robust and high-specification solu...

Best current price£58.32from Professional Building Supplies

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Professional Building SuppliesMolan Polycarbonate Sheet Multiwall - 25Mm X 1000Mm X 2Mtr Opal
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Product Information

Full details

The PolyX 25mm Multiwall Polycarbonate Sheet by Storm is designed for homeowners and contractors seeking a high-specification glazing solution for conservatories and overhead roofing applications. This durable sheet offers exceptional thermal insulation and a high strength-to-weight ratio, making it an ideal choice for projects requiring both structural integrity and light diffusion; however, it is essential to ensure that your framing structure is compatible with 25mm thick panels prior to purchase.

All features

Model Part NumberPOLY258004OP
BrandStorm

Extended Product Information

FAQs

Can these sheets be used for vertical windows?

While primarily designed for roofing, the 25mm sheets are highly robust; however, check that your glazing frame accommodates the 25mm thickness.

Does the opal finish block all light?

No, the opal finish is designed to diffuse light, allowing natural brightness to enter while significantly reducing harsh glare and heat.

What is the expected lifespan of this product?

The PolyX sheets have a design life expectancy of at least ten years, provided they are installed and maintained according to specifications.

How do I cut the sheets to size?

Use a fine-toothed circular saw or a jigsaw with a blade suitable for plastics. Ensure the sheet is well-supported during cutting to minimize vibration.

Are these sheets fire rated?

Yes, they carry a Class 1 fire rating, making them suitable for a wide range of building applications.

Troubleshooting

Condensation appearing inside the flutes

Check that the edges are properly sealed with foil tape and a breather profile to allow for air pressure equalization while preventing moisture ingress.

Sheet buckling after installation

Ensure that the fixing system allows for natural thermal expansion and contraction; do not overtighten screws or clamps.

Pros and Cons

Pros

  • High strength-to-weight ratio for easier handling
  • Excellent insulation properties reduce heat loss
  • Opal finish offers effective glare reduction
  • Safety-compliant with Class 1 fire rating
  • Significant longevity with a 10-year plus life expectancy

Cons

  • Requires specific 25mm compatible glazing bars
  • Opal finish restricts clear external views
  • Cutting requires precise tools to avoid damaging the internal flutes

Setup, Compatibility & Care

For optimal results, ensure the sheets are installed using a high-quality, 25mm-compatible glazing bar system designed to accommodate thermal expansion. When installing, ensure the UV-protected side faces outward toward the sun; failure to orient the sheet correctly will result in premature degradation. Cleaning should be performed using only mild soap, lukewarm water, and a soft cloth or sponge to avoid scratching the surface. Avoid using abrasive cleaning agents or solvents, as these can permanently damage the polycarbonate finish.

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