Pilkington Profilit OW is an addition to Technical Glass Products' low-iron, translucent, linear channel glass systems. It can increase visible light transmission up to 90 percent in uninsulated channels. It consists of self-supporting, low-iron oxide cast glass channels in an extruded metal perimeter frame, and is suitable for both indoor and exterior applications. The glass comes in lengths up to 23 feet for both vertical and horizontal applications, and is availbale in three textures: standard cast, a patterned surface; wave, a large wave texture, and macro, a netted screen texture. It is availble iwth a low-E coating for improved thermal performance and can also be filled iwth Nanogel aerogel, a lightweight insulation material. tgpamerica.com; 800.426.0279.