Walton Co . Government Building Roofing

2026-11-03

Existing TPO roof to remain in place . Remove and replace all wet , bridged , or damaged insulation with new InsulBase polyiso insulation ( 20 psi ), installed flush with the existing roof per manufacturer ’ s specifications . Provide square foot unit cost adders for insulation and plates / fasteners replacement . Ensure roof surface is dry prior to new installation . Remove all walk - pads and debris . Perforate existing roof every 100 sq . ft . with a minimum ¾ ” hole to prevent moisture entrapment . Adhere Carlisle . 115 Sure - Weld FleeceBack TPO white membrane directly to the existing roof using Flexible FAST Adhesive applied in 6 ” O . C . ribbons , or splatter pattern coverage ( minimum 50 % substrate coverage ). Parapet flashings and counter flashings to remain in place . Remove existing flashings and counter - flashing metal at all curbs and penetrations . Flash all curbs with . 060 Sure - Weld reinforced TPO membrane and flash all other penetrations per manufacturer ’ s requirements . Install new 24 - gauge Kynar - coated steel counter flashing behind existing counter flashing at parapets , and around all HVAC / curbs to terminate vertical flashings . Installations must meet manufacturer ’ s 20 - year warranty requirements . Install Carlisle walk - pads as follows : 3 ’ x 10 ’ sections at service sides of HVAC units 3 ’ x 3 ’ sections at door landings and units requiring monthly maintenance Install 4 ” retrofit roof drain kits . Install new pressure - treated wood blocking under all condensate and gas lines . All sleepers and blocking must have TPO slip sheets underneath . Report any areas of damaged EIFS to the building owner prior to work . Contractor is responsible for all safety measures , roof access , receiving / delivery of materials , equipment , hoisting , dumpsters , daily trash removal , and final cleanup . Responsibility for interior protection to be coordinated between contractor and building owner . Substitutions will be allowed . It is the contractor ’ s responsibility to provide documentation demonstrating that any proposed substitute product is comparable to the specified brand .

Georgia

2026-05-10