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Kolbe offers glazing options to address the optimum energy efficiency

of the overall window unit for the geographic region in which you live.

As standard, we use double strength annealed glass in most units, with

double-pane insulating LoE


-270 glass. LoE is a “smart” coating that

reduces energy transfer through the insulating glass unit. LoE coated

glass is also designed to reflect room-side heat back into the room during

winter months. In summer, visible sunlight is allowed in while blocking

96% of the sun’s infrared heat energy. The result is significant savings on

heating and cooling costs throughout the year. LoE coatings also reduce

the potential for condensation, as well as provide protection against

fading of furniture, fabrics and carpeting. Along with LoE coatings,

standard glass is filled with argon gas*, which has a 30% lower thermal

conductivity than that of air.

Kolbe also offers the following glass options, as well as many

specialized options.




A tinted glass recommended for warm climates that achieves solar control over a wide range of the spectrum, while also

helping to reduce glare.




Offers an ideal balance of solar control and high visibility by blocking 95% of UV rays while maintaining the interior


ThermaPlus LoE

Helps to meet the strictest energy requirements; provides protection against heat loss and UV damage.

Mountain Air Energy Package

Specifically designed to meet a U-factor of .30 without argon gas. Consists of a specially-constructed frame, second-

generation ThermaPlus glass with LoE³-366 and a high altitude tube within the insulating glass unit. Available on Crank-

Out Casements and Awnings, Sterling Double Hungs, and Studio/Picture, Transom and Direct Set units to match Crank-

Out Casements and Sterling Double Hungs.

Triple Pane

Provides a greater energy performing window that keeps indoor air warm and comfortable, prevents heat loss and

lowers your heating bills. It is constructed with three panes of glass, argon gas, Thermo-Edge spacer bars and is

available with a variety of LoE coatings that best suit your needs.

Tinted, Colored or Patterned

Provides shading, privacy or visual interest.

Finely Crafted Glass

Decorative glass created with a variety of caming options.


Standard in Kolbe doors to address safety concerns. Also available in window units to meet specific building codes.


Benefits include safety, security, sound control and provides the ultimate in UV blockage.


Glazing utilized to withstand harsh environmental conditions, especially in coastal regions. Combined with an impact

product, such as K-Force


, this product offers the highest level of security.

Preserve Film

A protective film that protects the glass surfaces from scratches during transit and construction,

as well as reducing the time involved in job site clean-up.



Harnesses the sun’s UV rays to loosen dirt so water can rinse it away, leaving windows virtually

spotless. A special sputter-coating process makes the glass ultra smooth, so the water “sheets off”

more readily than it would on uncoated glass, allowing you to spend less time cleaning.

* Argon gas may not be included with units to be installed in or shipped through high altitude areas. Units with true divided lites may not include argon gas.

Not all glass is available on all series. Please contact your Kolbe dealer for product specifics.



, LoE


-240, LoE


-270, LoE


-366, Neat and Preserve are trademarks of Cardinal IG.

LoE insulating glass with a stainless steel spacer bar carries a 20-year warranty. Not all glass options listed have the same glass warranty. Please contact your

supplier for details.



Laminated IG







NOTE: Tested units include argon.

The laminate has 1/4" inner pane. Based on

Lawrence Berkeley Lab (LBL) Window 5.2 ©

2003 analysis for classical UV transmission data.