Partial Roof Replacement

1) Remove existing roof and roofing components, including counter-flashings, copings, gravel stops, and insulation, down to metal decking. Check decking for deficiencies and replace deteriorated decking at the cost/sf price as identified on the bid form. 2) Mechanically attach 2 ½” Polyisocyanurate insulation at predetermined fastening patter to achieve necessary wind uplift values as specified. 3) Mechanically fasten ¼” tapered Polyisocaynurate insulation system to facilitate positive drainage to the existing drain locations 4) Install ½” DensDeck or SecuRock set in InsuLock insulation adhesive per wind uplift requirements. 5) Sump all drains where allowed to achieve 8' x 8' pan. 6) All accessories such as cant strips, drain inserts (or new drains), sealants, etc. are to be installed as identified in specifications and drawings. 7) New HPR, two-ply modified system is to consist of StressBase 80 and StressPly Plus smooth cap set in Garlastic KM Plus at a rate of 25# per square for interply. 8) Flashing plies at all perimeter and penetration conditions are to be installed per provided details utilizing StressBase 80 Base Sheet and StressPly Plus FR Mineral Surfaced SBS Cap sheet set in Flashing Bond adhesive. 9) All copings and counter-flashings are to be fabricated from 22 Ga., prefinished steel per specifications in owner’s choice of a standard color. 10) Pitch pans and gravel guards around drains are to utilize 16 oz, cold rolled copper with grade 50A solder. Pitch pans are to receive umbrellas. 11) The field of the roof is to receive a flood coat of Black-Knight Cold, cold process coal-tar pitch at a rate of 5 gallons per square and 500lbs/sq of pea gravel. 12) All exposed SBS flashings are to receive a reflective coating of SilverShield Aluminizer per specifications and details (2 gal/square). 13) Contractor is responsible to have lightning protection system re-installed and certified by licensed company. 14) Garland Representative to be on site daily to inspect project and provide daily reports indicating any details and /or conditions that should be noted and ensure full compliance with bidding documents. 15) Garland to issue 30 year warranty to owner and contractor to issue 3 year workmanship warranty

Division 07 -

Thermal and Moisture Protection, Dampproofing and Waterproofing, Thermal Protection.