Kingspan KoolDuct® Case Study

550 Loft Renovation – York, Pennsylvania

The Project:
Provide a Value Engineered HVAC system to retrofit a 100-year-old warehouse building for student housing by local college students.



The Scope:
Install 35,000sf of HVAC Duct Work associated with 41 residential units as well as large common areas simultaneously maximizing thermal efficiency and reducing cost.

The Catch:
Introducing Kingspan KoolDuct, a relatively new product in the northeastern U.S. (at the time), to a static marketplace during extreme market conditions.

The project was originally specified for traditional metal ductwork with duct wrap insulation. PTM Manufacturing presented the more thermally efficient Kingspan KoolDuct as a VE alternative.


What is Kingspan KoolDuct?

Kingspan KoolDuct is a pre-insulated, high performance air duct system for interior and exterior commercial, industrial and residential HVAC applications. KoolDuct is constructed from foil faced, CFC/HCFC-free, phenolic foam board that provides a minimum of an R-6 Thermal rating.

Kingspan KoolDuct offers significant advantages over sheet metal ductwork. Weight, space, installation time, installed costs, air leakage and energy performances are just a few.

The construction team was educated on the benefits of Kingspan KoolDuct and recognized a better application embracing the idea that KoolDuct could be installed faster, required fewer hangers, save space, and eliminated the need for additional insulation.


Kingspan KoolDuct offers significant safety benefits to insulated sheet metal:

  • Lightweight and easy to carry, minimizing material handling  issues.
  • Eliminates the handling of sharp metal.
  • Quick install eliminates the need to have large amounts of metal ducting lying around.


The Result:
Installation was completed on time and under budget. More importantly, under some extremely unusual working conditions, no injuries or incidents were incurred by workers over the course of the project.

PTM's certified contractor, EISI (Eastern Industrial Services, Inc.) was recognized by the Association of Builders & Contractors (ABC) with an Excellence in Construction award for the Value Engineering of The 550 Loft Kingspan KoolDuct project.



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