Non-penetrative cable tray supports are designed to protect lightweight modern roofs and offer a range of benefits. The cables are kept safe, secure and above roof level so are protected from water pooling, avoiding trip risks as well as preventing cabling being damaged from any. The effective weatherproofing of cable trays helps to keep weather out, preventing damage to the building envelope, avoiding thermal breaks, maintaining the indoor environment and helping to keep the various cables and wires protected. Fire. Cable tray installation on roof plays a crucial role in organizing and protecting electrical cables, particularly in commercial or industrial settings. Rooftop installations are often subjected to harsh environmental conditions, including extreme temperatures, high winds, and exposure to UV. Poorly secured cables on flat roofs are a major trip hazard as well as reducing the lifespan and function of the cabling. Sam Birch, Technical Manager at Big Foot Systems, looks at the latest methods for securing cabling on flat roofs. Do i use some kind of foam or caulk?? By having the tray enclosed, you can add or remove cables as required, or construct a small. As buildings contain more and more devices and systems requiring structured cabling, the need for sturdy cable tray supports is growing. What can we offer? Technical designs, advice and.