Pro-R Double Wall is a top market choice for specialty applications like wastewater treatment. Pro-R Double Wall is a pre-insulated phenolic duct solution available nationwide. The Patented Pro-R ...

Applicable codes and standards provide requirements for exhaust ducts connected to Type I (grease and smoke emitting) exhaust hoods. For many years, legacy and existing duct products have been ...

Condensation control — Preventing condensation that could damage insulation and other HVAC system components or possibly lead to microbial growth; and Energy conservation — Reducing HVAC system ...