Specifications include, but are not limited to: Roof section to be completed is approximately 8,800 SQ. FT. Preference will given but not limited to the following type roof replacement. 1) Removal of existing 3 layers of roofing down to metal deck and dispose of. 2) Install 4” ISO insulation R22 value or greater mechanically fastened to roof deck. 3) Install 60 mil white TPO type fully adhered roof system with TPO flashings around perimeter and around penetrations. 4) Install new 24 gauge prefinished L-metal at gutter edge. 5) Minimum 20 year warranty.