Window Terminology: Window Terms Starting with "F"

Factory Direct Pricing

Reduced cost pricing where you don’t pay any middle man markups on your product.   When the vinyl windows pass from the factory directly to the person you buy them from, you save money.

Fire Code

City or State Code that define requirements needed to keep a family safe from fire.

Fixed Panel

The side  of a sliding window or slider glass door that doesn’t move.

Fixed Window

A window that doesn’t open.  Also called a picture window.

Float Glass

Glass formed by a process of floating the material on a bed of molten metal. It produces a high-optical-quality glass with parallel surfaces, without polishing and grinding.  Makes the finished product very easy to clean.  This is a feature on the UniShield Window

Foam Fill

An option on the UniShield window where insulation is blown into the air chambers of the window frame, providing even more insulation.   Perfect for a climate like MN where every bit of insulation counts.


A deposit of contamination left on the inside surface of a sealed insulating glass unit due to extremes of temperatures or failed seals.


The outer part of the window that holds the sash or casement as well as hardware.

For more information on window terminology, and to get your free quote on replacement windows from Universal Windows Direct, MN contact us today