Measuring Glass
When measuring for glass you need to determine a horizontal and vertical measurement, respectively. Measure the daylight (the portion you can see) glass surface. If an opening is out of square, take measurements at six points; top, center, bottom and left, middle, right to determine glass size. Be sure to tell the SGO Designer that this is the daylight size. Your SGO Designer will make the necessary allowances according to the installation.

Cleaning Stained Glass
To clean leaded-cut glass or stained glass overlay, spray cleaning solution, windex, vinegar and water or alcohol onto a towel then wipe panel clean. Caution! Too much direct pressure on traditional leaded-cut glass may bow the panel and potentially break the glass.

Color and Natural Light
Bright, intense colors will add warmth to north-facing rooms that get little or no sunlight. Cool colors, such as blues and greens, can cool down a south-facing room subjected to too much sunlight.

Problem Windows
Unique shaped windows, architecturally appealing in their own right, lend nicely to the addition of another design element. The modest introduction of textures will engage your tactile sense as well as enhance your visual sense. Many times windows are in locations (entry, bathroom, bedroom) that present a privacy concern to the resident. It’s best to first determine what degree of privacy is needed and design the window treatment on that basis.


Mylar (colors and textures)


Adhesive TypePermanent adhesive, complies to adhesive durability requirements of the ANSI Z97.1 1984 specifications section Testing shows after equivalent to 10 years of ultraviolet exposure average peel strength actually improved.

Physical DataSurface temperature minus 100 degrees F. to plus 300 degrees F.. Melting point 480 degrees F.. Fire rating – UL 94 vtm-2.

Impact StrengthComplies to safety glass impact, tensile strength, and adhesive durability requirements of the ANSI Z97.1-1984 specifications, i.e., glass surface covering entirely with SGO materials meets this National Safety Glass Guideline.

UV ResistanceAbsorbs 85 to 99 percent of ultraviolet light, as tested in accordance with criteria set forth in ASTM E903.

Fade Resistance6,000 hours (equivalent to 20 years) of direct solar ultraviolet exposure as specified in ASTM G-23 caused modest or no color fading in the samples submitted.

Temperature ToleranceWhen subjected to extremely high and low temperatures as set forth in the ASTM E773-E774 specifications, temperatures from minus 15 degrees F. to plus 135 degrees F. (as might be experienced with insulated glass units) did not cause a breakdown in materials or adversely affect the insulated glass unit.

MaintenanceResists detritus effects for 5,000 cleaning cycles (equivalent to 50 years, under normal conditions).


Adhesive TypePermanent adhesive that has passed the BSI (British Standards Institute) testing specifications, report #BG 000558 12/93, and attained BS5713 certification temperature range, minus 22 degrees F. to plus 212 degrees F. (successfully tested to 240 degrees F.).

Physical Data99% pure Lead plus trace elements / stabilizers. Boiling point 3,164 degrees F.


Dual Glazed Window: Two layers of glass sealed together with an air space between. Can reduce heat conduction through glass by as much as 50 percent.

Low-E Window: Glazing thin metallic film or coating between two glass panes that selectively rejects some energy wavelengths, greatly reducing heat transfer through the glass.

Slider Window: Contemporary appearance, two separate sashes – one is fixed the other slides in track.

Half Round Window: A 180 degree arched style window used as an architectural accent.

Raked Window: Two unequal sides creating a 90-degree angle with a third diagonal side connecting the outer points of those two sides.

Transom Window: A window over an entry door or over eye level windows.

Sidelight Window: The window directly to the side of the entry door.

Beveled Glass: Glass with a slanted edge that has been cut to achieve a prismatic effect.

Overlay Glass: The process of laminating film and lead to clear glass to create art glass.

Prairie Design: Straight lines and right angles in simple layouts.

Post Modern Design: A deft blend of historically inspired architectural details, overscaled, twisted and skewed to impart a sense of whimsy.

Art Deco Design: Style of design popular in the 1920’s and 1930’s, characterized by geometric shapes, smooth lines and streamlined forms.