Advantages and Properties of Multi-Skin Sheets Made of Polycarbonate

Multi-skin sheets are an indispensable material for hobby craftsmen and DIY enthusiasts. Due to their excellent material properties, they have been used for more than four decades for roofing carports, verandas, and terraces, as well as for building skylights, cladding, and greenhouses. The reason for the never-ending success of multi-skin sheets made of polycarbonate is that they are shock-resistant and durable. Also, the materials, also known as twin-wall sheets, are easy to work with and process. The most common are double-wall sheets. However, there are also designs with 4 hollow chambers or honeycomb-shaped chambers.

Top Insulation Properties without High Costs

In terms of thermal insulation properties, multi-skin sheets made of high-quality plastic can easily keep up with glass. However, they only cost a fraction. In contrast to glass, the thermal properties even extend the functionality of twin-wall sheets by efficiently regulating the building’s energy during the cold season. This is achieved by minimizing the heat loss or the temperature dissipation to the outside through the air chambers in the multi-skin sheets.

But cooling in summer should also be kept as low as possible – for example, with air conditioning. When it comes to quality panels, even simple panels can still have a heat transfer coefficient of just 1 W / m²K. Double-wall systems or multi-wall sheets with even more hollow chambers can even fall below this value. The inexpensive plastic panels even make it possible to have complete cladding at an affordable price.


Flexibility and Versatility for Every Project

Twin-wall sheets are available in different designs. On the one hand, about the number and arrangement of the air chambers. On the other hand, also in questions of design. They are available in different colors or with various finishes, such as frosted glass optics or a matt finish.

Twin-wall sheets are available in different designs. On the one hand, about the number and arrangement of the air chambers. On the other hand, also in questions of design. They are available in different colors or with various finishes, such as frosted glass optics or a matt finish.

The air chambers in plastic multi-wall sheets make the building material very light, making it easy to work with, even for DIY workers. Depending on the purpose for which the polycarbonate panels are to be processed, you can choose between many thicknesses or strengths. Basically, multi-skin sheets are available from a thickness of 0.16 inches. As a rule of thumb, the larger the area that is to be covered or filled with the hollow chamber panels, the thicker the material should be chosen. Because, of course, 1.2 inches thick panels are more resistant than 0.16 inches thick. For roofing patios or carports, for example, multi-skin sheets at least 16 millimeters thick are recommended.

Environmentally Friendly Materials

Because the plastic panels can be individually cut to size and adjusted to exact dimensions, they cause less excess production, processing, and less waste.

Twin-wall sheets can also be made from recycled material. This also reduces the ecological footprint of this material. And last but not least, its longevity, ease of care, and resistance ensure that the multi-skin sheets do not have to be replaced for many years – and when the time comes, they can be 100% recycled.

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