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Fenestration ? The placement of window openings in a building walls; one of the important elements in controlling the exterior appearance of a building, its ventilation, light, etc?
Fixed Light (Fixed Sash) ? Window, which is non-operative (does not open).
Flat 4 Side ? A piece of glass or IGU with a sash profile around it, not set whhin the main frame of a window unit.(See Deadlite)
Foam Filling - A polyurethane foam that is used to fill the spaces in a sash and frame. This foam can increase the insulating value of a window up to 30%.
French Door ? An interior or exterior door consisting of stiles, top and bottom rail and divided glass panels or lites.
Frame ? Outside member of a window (or door) unit, which encloses the sash. Composed of side jams, head jamb and sill
Friction Hinge ? A window hinge remains open at any position by means of friction in the hinge.
Fusion-welded - Materials joined together by melting them with extreme heat, resulting in the materials uniting into a one-piece unit. |
