The thermal coating and backing used in vertical blind fabric
work based on the principles of reflection, absorption, and thermal barrier creation. These coatings and backings are designed to enhance the fabric's ability to regulate heat transfer and improve thermal insulation. Here's how they work:
Reflection of Heat:
Thermal coatings often incorporate reflective materials, such as metalized films or coatings with reflective properties. When sunlight or heat energy from the exterior of the window strikes the fabric, the reflective materials bounce a significant portion of this energy back towards the source. This prevents a significant amount of solar heat from entering the interior space, helping to keep the room cooler.
Absorption of Heat:
In addition to reflecting heat, some thermal coatings and backings are engineered to absorb a portion of the heat energy. This prevents the absorbed heat from transferring into the room. The absorbed heat energy is then gradually dissipated, contributing to a more stable indoor temperature.
Thermal Barrier Creation:
Thermal coatings and backings create a barrier that reduces the direct transfer of heat between the window surface and the interior space. This barrier minimizes the conduction of heat through the window, helping to maintain a more comfortable indoor environment.
Thermal coatings and backings also play a role in controlling the transfer of radiant heat. They help prevent the emission of thermal radiation from the warm interior surfaces of the room to the cooler exterior, and vice versa. This helps to maintain a balanced temperature on both sides of the window.
By combining these principles, thermal coatings and backings effectively reduce the amount of heat that enters or exits through the window, contributing to improved energy efficiency and thermal comfort. These technologies are particularly beneficial in spaces where temperature control and energy conservation are important considerations, such as homes, offices, and commercial buildings.