4400 & 4401 Premium Steel Doors

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NON-INSULATED PREMIUM STEEL GARAGE DOORS

St. Louis Garage Door Repair Company | 4400 Non Insulated Premium Large Feature

4400 Non-Insulated Premium Steel Door Features

DOOR SECTIONS
The 4400 non-insulated premium steel garage doors are galvanized steel and have a 2″ thickness. Panels are 24 gauge smooth finish. Sections have tongue and groove meeting rails. Interior flange of panel has a hemmed edge. Panels are formed with two deep ribs and six small grooves. Center and end stiles are 17 gauge galvanized steel. Open sides of stiles have rolled edges. Stiles are mechanically fastened and adhesive bonded to panel to act as an integral structure of the section. Center stiles are shaped to match the profile of the panel.

GLAZING
Options of 24″ x 12″ or 24″ x 4″ windows are available. Optional Series 8000 Full View sections can be substituted for steel sections.

TRACK
Galvanized track system is 2″ or 3″ depending on door size and weight and to be bracket or angle mounted as required.

HARDWARE
Hinges and brackets are made from galvanized steel. Commercial duty rollers are standard.

SPRING COUNTERBALANCE
Springs are oil tempered helical wound and stress relieved torsion springs mounted on a cross header shaft supported by bearing brackets. Springs are calculated for 10,000 door cycles. 25K, 50K, or 100K cycles are optional. Cables are galvanized aircraft quality with a minimum 7 to 1 safety factor.


The Details

St. Louis Garage Door Repair Company | 4400 Details