TRA Snow and Sun’s Clamp On Snow Fence are recognized for their quality and strength. We manufactuer in the heart of the Rocky Mountains and design our systems to retain heavy snow loads. You can be confident the snow on your roof will stay in place. Our Clamp On Snow Fence fits most standing seam profiles using a safe, reliable and attractive design. Our exclusive attachment system, using under-the-hem clamping and bolting, provides superior strength while maintaining your manufacturer’s warranty.