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Roof Deck & Substrate Criteria <br />TPO Membrane Accoptablg Roof <br />Dock/Substrato PVC Membrano <br />Adhered Mechanically <br />Fastened NEW CONSTRUCTION Mechanically <br />Fastened Adhered <br />lnsulalion lnsulalron <br />Steel (min 22 gaugexl)(2) <br />Wood Plsnk (U4" min.), or <br />Fibrous Cemenl <br />lnsulation lnsulation <br />Direct Applicataon lnsulalron Structural Concrete (min. 3000 <br />psi ) or Gypsurn lnsulation Oirect Application <br />Direcl <br />Application(5) <br />Direct <br />Applicalion(5) <br />Pl),wood (min. 15/32" lhick) or <br />Oriented Strand Eoard (min <br />7i 16" lhick) <br />Drrect <br />Application(5) <br />Direct <br />Application{51 <br />Direct Application <br />(5X10) <br />Direct <br />Aoolicalion(5)Lightr/eight lnsulating Concrete lnsulalion Oirecl <br />ADplicalion(5X10) <br />Adhered Mechanrcaliy <br />Fastened RETROFIT / NO TEAR.OFF Mechanically <br />Faslened <br />Direct Applicatioh <br />(s) (11) <br />Direct Application <br />(e) (11) <br />Existing Smooth Surface BUR <br />(3)(8) or Mineral Surface Cap <br />Sheet <br />lnsulalion lnsulation <br />lnsuialion lnsulatron Gravel Surfaced 8UR (3)(4) or <br />Coal Tar Pitch (3)(4)(12)lnsulalron lnsulatron <br />Direct Application <br />(7X9) <br />Direct Application <br />(7X9)Modifed Bilumen (11)lnsulalion lnsulalion <br />lnsulalion Exisling Srngle-Ply (1 1) <br />Direct <br />Appllcation <br />(6) <br />lnsulation <br />Complele Tear-ofi <br />Required <br />Complete Tear-ofl <br />Required Sprayed-in-place Urethane <br />Complete <br />Tear-ofi <br />Required <br />Complete Tear-0fi <br />Required <br />Adhered irechanically <br />Fastened RETROFIT / TEAR.OFF Mechanically <br />Faslened <br />lnsulalron lnsulation Exisling roof malerial removed <br />(reqardless of deck tvDe)lnsulalion lnsulalion <br />On retrofit - recover proiects, cut and remove wet Insulatron, as identified by the specifier, and fill all voids with <br />new insulation of type specified so it is relatively flush (+/- 1/4") with the existing surface <br />Thermoplastics 1 1/201 1 39 <br /><< Table ofContents <br />Adhe.ed <br />Direct Application <br />(6) <br />Adhered <br />Notos: <br />(1) Local codes must be consulted regarding thermal barrie. requirements <br />(2) Mechanically Fastened Systems cannot be specified on steel decks less lhan 22 gauge or lor cor,ugated sleel <br />decks, regardless of gauge Refer to lhe Metal Retrofl Roofing System Specificalion, published separately, for <br />inslallation oplions. <br />(3) Loose gravel musl be removed to avoid enlrapment of moislure. <br />(4) Exisling coal lar could drip back into the building, especially \ttlen new insulalion does nol provide suffrcient <br />thermal value to prevent lhe suafac! of the coal tar f,om soflening. <br />(5) Maximum Warranty Duralion of 15 Years. <br />(6) An approved underlayment is required over existing ballasled (ballast removed) single-ply systems and PVC <br />roofng systems of any type. <br />(7) Direct application permitled over smooth surfaced modified bilumen. To reduce the probabilaty of cold \,\€lds, <br />membrane shall be posilioned with length of sheets parallel to modified bilumen field seams. Al end laps or other <br />localions where splices intersect modifed bilumen field seams, 6" wide Sure-Weld or Sure-Flex Flashing must be heal <br />\ /'elded over intersections. <br />(8) Existang Type lll or lV smooth asphalt BUR Only. <br />(9) Possible slaining/discoloralion oflhe membrane may resull when inslalling this system directly over existing <br />smooth surfaced BUR or modified bitumen. lf aeslhetics are critical, an approved insulation should be specifed <br />benealh lhe membran€ <br />('10) New approved cellular lightv/eight insulating concrele must have a minimum compressive strength of 200 psi. <br />Except wtlen the light.\reight concrele i9 poured over slolled sleel decks. pressure relief vents musl be installed every <br />2,000 square feel. Direcl application is not p€rmitted where lightr,veighl conqele is poured over an existing roofng <br />material. Equilibrium moislure conlent afrer hydratiorvcunng shall nol exceed 12% <br />(11) Maximum wa.,anty available 20 YR with 55 MPH peak gust wind speed coverage. Carlisle may be contacled for <br />other wananty oplions. <br />(12) lf insulation is specified lo be secured to an exisling coal lar pitch roof wilh Carlisle FAST Adhesive or hol asphalt, <br />minimum 1'lhick Polyisocyanurate is the required minimum thickness when white membrane is specifed.