In Stock

6mm Clear Twinwall Polycarbonate Sheet

From £14.70 Excl. VAT

3-5 Working Days
Delivery & Returns

The innovative twinwall structure of this polycarbonate sheet ensures air space which guarantees excellent thermal insulation and resistance to crash stress. With a coating and UV protection on the external face of the PoliCarb, you can rest assured that your polycarbonate will resist aging from atmospheric agents and UV rays.

A wide range of multi-wall polycarbonate sheets have been developed to meet the demands of vaious market sectors, thanks to technological innovation and extensive research into raw materials and new methods of achieving UV protection.

Whilst various other polycarbonate sheets are available in a wide range of colour, the 6mm twinwall sheet is only available in clear, offering optimal light transmission and transparency.

Our PoliCarb sheets are available in an extensive range of widths and lengths suitable for various applications.


  • Fantastic Light Transmission
  • Resistance To UV Rays & Hail
  • Energy Saving U-Value Of 3.6 W/m²K
  • Weight Of 1.3 KG/m²
  • Economical
  • Versatile
  • 0.065mm/m°C Linear Thermal Expansion
  • Temperature Range Of -40ºC to +120ºC
  • Coextrustion UV Protection (Both Sides Available Upon Request)
  • Fire Reaction EN 1350-1 - EuroClass B-s1.d0
  • Bespoke Sizes Available Upon Request

PoliCarb sheets must be fastened to the respective structure using specific washers. The washers required will also have a seal, which will ensure a watertight finish. This also allows the material to fluctuate due to change in temperatures.

Up to 10mm thick PoliCarb sheets can be supplied welded at their ends. This technique is used to ensure cleanliness on the inside of the cells over time, which contributes to better transparency.

Please note: when ordering lengths over 3m additional shipping charges may be applied

Please Note: Tolerances on lengths and widths are +/- 5mm.

Delivery Information

Roof windows
A lot of our products are next day delivery, especially the Aurora and Liteleader range which are stocked in our warehouse. Dakea and Velux are usually dispatched by the manufacturer using their choice of courier. Standard items are still delivered within 1-2 working days with some items taking up to 5. Uncommon sizes and blinds from Dakea or Velux  take 8-20 working days.

Large quantity orders
Any order that consists of a large quantity of roof windows will be delivered on a pallet. If your order is placed before 11:30 am, we will dispatch that day for delivery the next working day. If purchased after 11.30 am , the delivery will take 2 working days from the point of order.

Bespoke and large products
Bespoke and large products such as flat roof skylights, roof lanterns and doors have lead times that can vary from 5-20 working days depending on the demand with the manufacturer. Please call us before ordering these products to get an accurate delivery time.

Mixed Orders
For mixed orders we aim to send them all out together, so if you order a Velux window and an Aurora window you will receive all of your order with the item with the longest lead time. In this example it would be 3 working days because of the window from Velux.

Composite Products
We aim to deliver our composite products in 1-5 working days. Due to the size and weight of composite products our delivery method can vary depending on the location of where it is being delivered. We will contact you to arrange a suitable time and place to deliver your composite product order prior to delivery.

Where to find delivery information
Delivery times are indicated on each product and if you have any enquiries regarding delivery please don’t hesitate to contact our office on 01623 624500.

Return Information

If you are not satisfied with any LB Supplies products you can return them within 14 days of purchase as long as they are unused and in their original condition and packaging. If you purchased from our website and would like to return your products, please download the LB Supplies returns form below and include it with the return. Once we′ve received your unused products, we′ll refund you the amount of the original purchase, excluding any delivery costs, using your initial method of payment. Some products may incur restocking charges. For all returns and any exchanges, you are required to cover the cost of the return delivery to our offices.  For your own security, we recommend using a recorded delivery service when sending goods to us.

Click to download a return form


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