I’m looking for advice on re-insulating a pair of rather old 75 ton Trane roof top units that have lost most of their inside fiberglass - primarily in the fan compartments.
I was wondering if there are any down-sides to using one of these radiant barrier products?
Our main goal is to cut down on the solar gain from the metal roof and side panels, this stuff would be much cheaper than fiber.
Price is a factor too in that these will likely be replaced w/i three or four years, mean time we're picking up about +10 with the largely bare metal.
I am told I would be cleaning and gluing the sheets on with 3m #77.