Overlay of existing roofing at main roof (15,000 Square Feet) with 1-layer 1/2" 1LB EPS Insulation (0.0525 LBS PSF Weight) & White .060 Mil TPO Membrane (0.29 LBS PSF Weight) (Rhino-Bond / Induction Welded) + replacement of non insulated roof and sheathing over open air shipping and receiving space (1,800 Square Feet) using the same roofing system as above.

Existing Roofing System is Plywood Sheathing + 2-ply asphaltic based vapor barrier (1.29 LBS PSF) + 1/2" perlite insulation (0.47 LBS PSF)
601 S ANDOVER ST