New Thermally Broken Smoke Vent

The company BILCO introduces a thermally separated smoke vent.

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The BILCO Company introduces a thermally separated smoke vent and thus expands its product line of innovative special access products with another energy-efficient product. This new product features an innovative frame and cover design to minimize heat transfer and the effects of condensation while providing excellent energy efficiency.

As a basic requirement for energy loss, heat naturally wants to flow into a cooler room. In the summer months, the heat from an extremely hot outside of the roof wants to radiate into the cooler interior of the building through the smoke vent. While standard smoke vent insulation helps reduce this heat gain, the metal construction of the smoke vent itself facilitates temperature transfer, which can lead to increased operating costs and condensation problems at the bottom of the vent. In winter or in the colder months, this same energy transfer principle leads to heat losses from inside a building as well as increased energy costs.

The new thermally broken smoke vent from BILCO is equipped with a low-conductivity element that is integrated between the inner and outer surfaces of the cover and the frame in order to reduce the transfer of temperature. As an added benefit, the same thermally separated components dampen vibrations for improved acoustic performance against outside noise. The product features 3 inch polyisocyanurate insulation with an R-value of over 20 in both the cover and the curb for superior energy efficiency and a special cover gasket to minimize air leakage. The product is also UL-certified to ensure reliable smoke extraction operation in an emergency.

“As the construction industry places more emphasis on energy-efficient products and sustainable systems, BILCO felt it was crucial to add a thermally separated smoke vent to our product line,” said Steve Weyel, Director of Sales & Marketing at BILCO. “This product complements our line of thermally broken roof hatches and we are confident that architects will consider it an important element in the design of more energy-efficient buildings.”

Automatic smoke vents protect property and help fire fighters control a fire by removing smoke, heat and gases from a burning building. Smoke vents activate when a fuse link melts and are ideal for large, unobstructed areas such as factories, warehouses, and retail facilities.

More information is available at

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