SF 50/55 Folding Sliding Door

Germany-based Sunflex, operating a sales and support operation in Florida, reports its lightweight SF 50/55 sliding folding door system has achieved a design pressure rating of +/- 60 psf (for inswing and outswing units) with a construction depth of 2 3/16 inches (55 mm). In the thermal performance testing, the door has received an NFRC U-factor rating of 0.29 Btu/h∙ft²∙F with triple glazing, and is compliant to the Energy Star requirements in all 50 states. Featuring the latest hardware technology, the door system is manufactured with panel sizes of to 4 feet in width and 12 feet in height.