Low Emissivity Glass – aka “Low E”

Low E Glass Illustration

 Low E Illustration

Low E glass is reflects heat when temperatures soar and absorbs heat in colder conditions. This value is known as the “R-Value”.The R-value is a measure of thermal resistance used in the building and construction industry. Under uniform conditions it is the ratio of the temperature difference across an insulator and the heat flux (heat transfer per unit area per unit time) through it or. Thermal resistance varies with temperature.

Low E performance standards vary by a region’s building codes, which are more likely to be driven by regional climates and ecological mandates. As extreme examples, city codes in Phoenix, AZ & Palm Springs, CA will have different code requirements than Minneapolis, MN & Montpelier, VT.

There are many types of Low E glass with a multitude of R Values. Check with your city or county code officials for the R Values required in your jurisdiction.

We can help. Isotec is well versed with incorporating UL listed ballistic glass with varieties of Low E glass, to achieve the risk appropriate security while satisfying Low E requirements.

As illustrated above, Low E glass is effective in reflecting heat when temperatures soar and absorbing heat in colder conditions. This value is known as the “R-Value”.

The R-value is a measure of thermal resistance used in the building and construction industry. Under uniform conditions it is the ratio of the temperature difference across an insulator and the heat flux (heat transfer per unit area per unit time) through it or. Thermal resistance varies with temperature.

The performance standards vary by a region’s building codes, which are more likely to be driven by regional climates and ecological mandates. As extreme examples city codes in Phoenix, AZ & Palm Springs, CA will have different code requirements than Minneapolis, MN & Montpelier, VT

There are many types of Low E glass with a multitude of R Values. Check with your city or county code officials for the R Values required in your jurisdiction.

Isotec is well versed on incorporating UL listed ballistic glass with varieties of Low E glass, to achieve the risk appropriate security.

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