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ESR-1463 I Most Widely Accepted and Trusled Page 8 of '10
<br />TABLE 3_FIRE CLASSIFICATION ASSEMBLIES-MECHANICALLY FASTENED ROOFING SYSTEMS.
<br />For Sl: 1 inch = 25 4 mm.
<br />'All foam plastic insulation must be ULtlassifed foamed plastic for roofing systgms, and must be limited to ths maximum thickness in
<br />ac&rdancr with S€ction 5.4 of this report or the maximum thicknoss in accordance with this table, whichever is less.
<br />'zUL Classified EPS may b€ installod below min. l-inch-thick Carlisle or Hunt6r Panols polyisocyanurat€ ansulations (max slopel:12) or b€low
<br />min. I/,-anch-thick Carlisle Securshiold HO or Hunter Panols H-Shield HO (max slope 2i12) on noncombustible docls.3oarlisle S€curshield HD or Huntor Pan6ls H-Shield HD may replace fiberboard and may be used as a coverboard over any insulation. When
<br />thes€ t\ o boards are used directly below th€ Sure-weld mombrane, the slope is limited to r/rr'12.
<br />'wh6n th€s€ systoms ar6 used for rercofng or rocovering, installation must be in accordancs with Soctions 4 2 2 and 5.7 of this report, and
<br />l8C S€ction 1510. IRC S€dion R907, BNBC S€clion 1512, SBC Section 1510 or UBC Appendix to Chaptor 15. as applicabl€.
<br />SYSTEM
<br />NO.
<br />ROOF
<br />CLASS
<br />OEC K BARRIER BOARO
<br />OR SLIP SHEET
<br />INSULATlONI MEMBRANE/MAX. ROOF
<br />SLOPE
<br />1 Noncombustible
<br />Sure-Tough, Sure-Weld,
<br />Speclro-Wsld, Sure-Flox, Suro-
<br />Flox FRS -!/r.12
<br />Sure-Wold HS - f i,i12
<br />Sure-Tough FR - 2r'12
<br />Noncombustible
<br />,,-inch-thick fi b€rboardr, r/r-inch-thick
<br />fiborboard'or barrior board (see Soclion 3.6)
<br />ovor s-inch max Insulfoam EPS'?, 'r-inch{hick
<br />frberboa.d or banier board {s€e Soclion 3 6)
<br />ovgl System No. 1 insulations
<br />Sure-Tough, Sure.Weld HS,
<br />Sure-Flex. Sure-Flex FRS - 1:12
<br />Sure-Weld, Spectro-Weld -
<br />'t'lr:12
<br />Sure-Tough FR - 3'/?:12
<br />3 Noncombustible To sinch max: lnsulfoam SP
<br />Sure-W€ld, Spectro-Weld, Suro-
<br />W6ld HS. Sure-Flex, Sure-Flex
<br />FRS - l,:12
<br />4
<br />Noncombustible or
<br />Combustible - min.
<br />'1rr-inct-tnlct
<br />plywood or min.
<br />'/,-inch{hicl OSB.
<br />Barrier board
<br />(see Section 3.6)
<br />Sure-Tough, Sure-w6ld,
<br />Sp€c1ro-w6ld - 3:12
<br />Suro-Tough FR - 3!/?:12
<br />Sure-Weld HS, Sur6-Flex, Sure-
<br />Flex FRS - unlimited
<br />Combustiblo - min
<br />'1rr-inch-thicl
<br />. plywood or min.
<br />'/,f,inch-thict OSB
<br />Banier board
<br />(see Section 3.6)
<br />or Slip shoet: 2
<br />layers, (soe Section
<br />3.7)
<br />Sure-Tough, Sure'Weld,
<br />Spectro-Weld, Sur€-Flex, Sure-
<br />Flex FRS - '/r:12
<br />Sure-weld HS, 1'l,:'t2
<br />Sure-Tough FR - 2:12
<br />6
<br />Combustible - min
<br />'1rr-incl-tlict
<br />- plywood or min
<br />'/,f,inch-lhicl OSB
<br />Slip sheet, 2 layers
<br />(s6e Section 3.7)
<br />7 B
<br />Combustible - min
<br />'1r,-incl-tllct
<br />- plywood or min
<br />'/6-inch-thicl OSB
<br />Slip sheet, 'l layer
<br />(see S€ction 3.7)
<br />Sure-Tough, Sure-Tough FR,
<br />Sure-Weld, Spectro-Weld,
<br />Sure-Weld HS. Sure-Flex, Sure-
<br />Flex FRS - 1'lr:12
<br />c
<br />Combustible - min
<br />'1rr-inch-thict
<br />- plywood or min
<br />'/'.-inch-lhick OSB
<br />Sure.Wold, Spectro-Weld,
<br />Sure-Weld HS, Suro-Flex, Sure.
<br />Fl6x FRS - unlimited
<br />I Combustible
<br />Singl€ layer of minimum &inch or double layer
<br />of minimum 1.sinch Carlisl€
<br />"Seclrshield Polyiso" or
<br />Hunter Panels "H-Shield{G'
<br />10 Combustible
<br />Singlo layer of minimum 1.9inch Carlisle
<br />'Securshield Polfso" or Hunlor Panels -H-
<br />Shield-Cc'or single layer ofan inv€rted G3
<br />cap shoet.
<br />EPDM, PVC, and TPO
<br />[,,lembranes - '/r:12
<br />Any of the following insulatrons, 1-inch min. lo
<br />6-inch max. thickness: Cadisle "Securshield
<br />Polyiso' or "Polyrso HP-H', Hunler Pan6ls 'H-
<br />Shiold" or "H-Shield-CG"
<br />2
<br />5
<br />Any of the following insulatjons. 1-inch min.
<br />to 6-inch max. thickness: Carlisle
<br />'Securshield Polyiso' or "Polyiso HP-H',
<br />Hunter Panels
<br />"H-Shield' or "l-l-Shield-CG"
<br />Sure-Tough - 1:12
<br />Sure-Tough FR, Sure Weld,
<br />Sp€ctro-Wold, Sure-Wold HS,
<br />Sure-Flex. Sure-Flox FRS -
<br />1'1,:12
<br />8
<br />Any of tho following insulalions, 2-inch min
<br />to 6-inch max thickness: Carlisle
<br />"SecurShield Polyiso" or "Polyiso
<br />HP-H'. Hunter Panels -H-Shield" or H-Shield
<br />EPDM, PVC, and TPO
<br />Memb.anes -'lr:12
<br />B
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