This HVAC rooftop curb is specifically designed to address high vibration resulting from severe wind loads and seismic activity that occurs throughout the U.S. 

The Snow Dam helps to prevent avalanches from snow or ice buildup on metal roofs. It permits water from melted snow to run off roofs while safely retaining up to 2,000 pounds of unmelted snow and ice. 

Thybar Corp. manufactures a complete line of laser-built, all-welded construction, AZ-55 Galvalume^®, insulated metal building roof curbs. 

The Snow Dam helps to prevent dangerous avalanches from snow or ice build-up on metal building roofs. 

The units ship fully assembled and feature all-welded construction, factory insulated walls, integral filter rack, and access door for servicing filters. 

The Retro-mate^® adapters offer a fast, cost-effective method of replacing rooftop HVAC units, according to the company. 

Bases for secure rooftop equipment mounting are quickly manufactured to precise specifications. 

The Retro-Mate^® saves time and roof reconstruction, preserves roofing integrity, reduces system downtime, and takes advantage of existing ductwork.

According to the manufacturer, advanced laser technology offers the tightest tolerances and allows for a superior weld.