The thickness of polycarbonate should be chosen based on structural requirements, the span of the installation, and local climate conditions. Generally, for roofing and façades, thicker sheets (4mm or more) are recommended for better impact resistance and insulation. Consult with an engineer for specific applications.

To minimize heat build-up, consider using polycarbonate sheets with a high solar heat gain coefficient (SHGC). Additionally, integrating reflective coatings or shades can help deflect sunlight. Ventilation options, such as operable windows or roof vents, can also enhance airflow and reduce heat retention.

The minimum bending radius for polycarbonate is typically 150 times the thickness of the sheet. For example, a 4mm thick sheet would have a minimum bending radius of 600mm. Always consult the manufacturer's specifications for precise guidelines.

To install corrugated polycarbonate sheets as a skylight, start by securing the framework. Ensure that the sheets are cut to the correct length and aligned with the ridge and eave. Use appropriate fasteners, ensuring they are installed in the valley of the corrugation to prevent leaks. Seal all joints and edges with compatible sealant to enhance waterproofing.

The “UV-side” is treated to enhance its UV protection and durability. It is designed to face outward to block harmful UV rays while allowing visible light to pass through. This treatment helps prolong the life of the material and protects against yellowing and degradation.

Pre-drilling fastener holes prevents cracking and ensures proper sealing. It allows for thermal expansion and contraction of the panels without stress, helping maintain the integrity of the roofing system and reducing the risk of leaks.

Polycarbonate is designed for durability, but prolonged exposure to UV rays and environmental factors can lead to some deterioration of light transmittance over time. Choosing high-quality materials and protective coatings can help mitigate this issue.

To determine these properties, refer to the product specifications provided by the manufacturer. Light transmission can be tested using a photometer, while haze is assessed using a haze meter. For color, physical samples are available, allowing you to see how the polycarbonate will look in your application.