Thybar Isolation Curb Features Easy Accessto Isolators and an ImprovedWeather Seal

Thybar Isolation Curb Features Easy Accessto Isolators and an ImprovedWeather Seal

Units can be fabricated to match a specific roof pitch or configuration.

Thybar Corporation has again made rooftop HVAC unit placement more manageable, with the Vibro-Curb. The Vibro-Curb has integral, vibration-dampening, spring isolators which may be easily accessed. These curbs provide mounting for rooftop HVAC units. Roofing may be completed at later date without disturbing the unit which eliminates extra crane or helicopter expenses. A 2 x 2 wood nailer is provided for attaching roofing felts.

The flexible 9-in. counter-flashing provides a weather seal while permitting easy access to the isolators. Roofing around spring access ports is not required with the Vibro-Curb. Minimum 90% isolation efficiency is achieved with the isolators. They are custom sized and spaced to accommodate the rooftop unit’s weight and center of gravity for optimum vibration dampening. Deflections of 1-, 2-, or 3-in. may be provided. Vertical limit stops eliminate excessive movement caused by wind loads and seismic activity.

Standard 1-in. deflection Vibro-Curb height is 24-in. and optional heights are available. Units can be fabricated to match a specific roof pitch or configuration. Factory assembled or units can be shipped in a limited number of subassemblies to the job site. Typical fabrication is approximately 7-14 days. An air-tight plenum package is available which can be factory installed or knocked down for field assembly.

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