Corotherm Opal Multiwall Sheet 25mm thick

£26.94 to £242.48ex VAT
£32.33 to £290.98inc VAT
Estimated delivery: Please get in touch for more accurate delivery times
£26.94 to £242.48ex VAT
£32.33 to £290.98inc VAT




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Product Description

25mm Opal Multiwall/Sevenwall Corotherm is a light weight, impact resistant polycarbonate roofing and glazing sheet.  25mm Multiwall Corotherm polycarbonate has a U-value of 1.4W/m²K and is available in clear, bronze, opal, bronze opal and heatguard opal.


  • Standard tints: clear, bronze, opal
  • Dual tints: bronze opal and heatguard opal
  • Light weight glazing sheet
  • UV resistant for durability
  • Durable and hardwearing
  • U-value 1.4W/m²K
  • Minimum condensation risk
  • Largely self-cleaning
  • 10 year warranty


Ideal For




Make sure the clearly marked UV protected side of the sheet is facing outwards

Allow a minimum of 10° roof slope for water drainage

Use only low modulus neutral cure sealant and cross-linked butyl flashing tape

The flutes of the sheets must run from top to bottom of the slope, never from side to side

Sheets cannot be joined top to bottom


10 Year Warranty

This product is covered by a 10 year warranty. A replacement is provided free of charge if the product has failed due to a manufacturing defect, in normal climatic conditions within a 10 year period from the date of purchase.


Corotherm MUST be fixed and maintained in accordance with the manufacturer's instructions for the warranty to remain valid: re-erections or consequential damage costs are not included.


14 Day Money Back Guarantee

We are happy to accept returns, if they are returned within 14 days of being received, and providing item has not been used or opened and is in original condition.

An email MUST be sent before returning your item, a note must be enclosed with the returned item, stating the reason for the return and the name under which the item was purchased.

Faulty Items

All products are individually inspected before being dispatched, to ensure items are sent out in perfect condition. In the unlikely event that your item is faulty, please return it to us within 7 days of receipt in its original condition. Upon inspection, we will be happy to replace or repair where possible, or refund you in full if the item is found to be faulty.

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