For heavy wind loads and other harsh weather conditions, Quanex’s 5400 (K2) Swing Patio Door System meets and exceeds builders’ demands. With tested strength featuring MikronBlend® vinyl for durability and resistance to heat, impact and corrosion, the 5400 (K2) Swing Patio Door System is ideal for high-rise and coastal hurricane locations.

This commercial sliding door system has been thoroughly tested to AAMA standards, achieving an LC-PG50 in multiple-panel configurations. It is manufactured with durable .100"-thick walled extrusions that stand up to harsh weather conditions. The K2 door’s design includes equal glass and sight lines and multi-chambered profiles for strong welds and maximum thermal performance. The frame can be mechanically assembled or welded, and the equal glass unit sightlines provide a more pleasing aesthetic look.