The 400 Series (1-3/4 x 4 system) is an economical systems designed to efficiently meet industry standard performance requirements, all the systems components are designed to allow interchangeability making them ideal for either exterior and interior applications. This series are industry standard center glazed systems that receive all standard entrance door hardware and doors types with single or double action door hardware.
This system will receive 1/4 glass in a glass pocket width and can be shop of filed fabricated. The extrusions can be reinforced to meet more rigorous performance requirement.