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SINGLE PLY MEMBRANE SYSTEMS
Unless otherwise indicated the base sheet may be mechanically
secured, spot mopped or fully adhered with "Fields Asphalt"
or hot roofing asphalt at the rate of 25 lbs/sq.
Type G3 "F58 GlasCap" may be applied with the mineral side down
as an alternate to any specified Type G2 base sheet.
"Fields MT3 RubrPac" or "Fields MT4 RubrPac" may be
substituted for hot asphalt in all applicable Classifications, which do
not exceed 1/2 in. incline for systems.
"Fields M62 RubrGlas" or "Fields M66 RubrGlas2" may
be substituted for "Fields Glass" Type G1 and G2 products in
all Classifications.
Two Type G1 products may be substituted for one Type G2 product in any
of the following Classifications :
Type G2 products may be substituted for one Type G1 product in any of
the following Classifications :
Class A - Fully Adhered
1. Deck: NC Incline: 1
Insulation (Optional): Any thickness, one or more layers UL Classified
perlite, woodfiber, glass fiber, polyisocyanurate, polyisocyanurate/composite,
EPS/wood fiber, EPS/perlite, EPS/composite, or PAROC roof insulation.
Base Sheet (Optional): One or more layers "Fields Glass"
or other UL Classified Type G1 or G2 product.
Membrane: One or more layers U.S. Intec "BRAI-4", "BRAI
SP-4" or "BRAI GBSP-4" (modified bitumen), heat fused.
Surfacing: "Fields F600 FlameBloc", 1-1/2 gal/sq.
2. Deck: NC Incline: 1
Insulation (Optional): Any thickness, one or more layers UL Classified
perlite, wood fiber, glass fiber, polyisocyanurate, polyisocyanurate/composite,
EPS/wood fiber, EPS/perlite, EPS/composite or PAROC roof insulation.
Base Sheet (Optional): One or more layers "Fields Glass"
or other UL Classified Type G1 or G2 product.
Membrane: One or more layers of Firestone Building Products "Firestone
APP 160" or "Firestone APP 170" (modified bitumen) heat
fused.
Surfacing: "Fields F600 FlameBloc", 1-1/2 gal/sq.
3. Deck: NC Incline: 1
Insulation (Optional): Any thickness, one or more layers UL Classified
perlite, wood fiber, glass fiber, polyisocyanurate, polyisocyanurate/composite,
EPS/wood fiber, EPS/perlite, EPS/composite or PAROC roof insulation.
Base Sheet (Optional): One or more layers "Fields Glass" or
other UL Classified Type G1 or G2 product.
Membrane: One or more layers of GS Roofing Products, "Flintlastic
GTA or STA", (modified bitumen) heat fused.
Surfacing: "Fields F600 FlameBloc", 1-1/2 gal/sq.
4. Deck: NC Incline: 1
Insulation (Optional): Any thickness, one or more layers UL Classified
perlite, wood fiber, glass fiber, polyisocyanurate, polyisocyanurate/composite,
EPS/wood fiber, EPS/perlite, EPS/composite or PAROC roof insulation.
Base Sheet (Optional): One or more layers "Fields Glass"
or other UL Classified Type G1 or G2 product.
Membrane: One or more layers of Polyglass Inc., "Dulflex",
"Dulflex G", "Polyflex", "Polyflex G" (modified
bitumen), heat fused.
Surfacing: "Fields F600 FlameBloc", 1-1/2 gal/sq.
5. Deck: NC Incline: 1
Insulation (Optional): Any thickness, one or more layers UL Classified
perlite, wood fiber, glass fiber, polyisocyanurate, polyisocyanurate/composite,
EPS/wood fiber, EPS/perlite, EPS/composite or PAROC roof insulation.
Base Sheet (Optional): One or more layers "Fields Glass"
or other UL Classified Type G1 or G2 product.
Membrane: One or more layers of Bitec Inc., "APM-4T",
"APM-4.5T", "APS-4T", "ISA-4T" (modified
bitumen), heat fused.
Surfacing: "Fields F600 FlameBloc", 1-1/2 gal/sq.
6. Deck: NC Incline: 1
Insulation (Optional): Any thickness, one or more layers UL Classified
perlite, wood fiber, glass fiber, polyisocyanurate, polyisocyanurate/composite,
EPS/wood fiber, EPS/perlite, EPS/composite or PAROC roof insulation.
Base Sheet (Optional): One or more layers "Fields Glass"
or other UL Classified Type G1 or G2 product.
Membrane: One or more layers of Performance Building Products Inc.,
"Permax A-Economy", "Permax A-Special", "Permax
A-Xtra", "Permax A-Special Mineral" or "Permax A-Xtra
Mineral" (modified bitumen), heat fused.
Surfacing: "Fields F600 FlameBloc", 1-1/2 gal/sq.
7. Deck: NC Incline: 1
Insulation (Optional): Any thickness, one or more layers UL Classified
perlite, wood fiber, glass fiber, polyisocyanurate, polyisocyanurate/composite,
EPS/wood fiber, EPS/perlite, EPS/composite or PAROC roof insulation.
Base Sheet (Optional): One or more layers "Fields Glass"
or other UL Classified Type G1 or G2 product.
Membrane: One or more layers John Manville"APPeX 4S",
"4M", "5S", "APPeX 180", (modified bitumen),
heat fused.
Surfacing: "Fields F600 FlameBloc", 1-1/2 gal/sq.
8. Deck: NC Incline: 1
Insulation (Optional): Any thickness, one or more layers UL Classified
perlite, wood fiber, glass fiber, polyisocyanurate, polyisocyanurate/composite,
EPS/wood fiber, EPS/perlite, EPS/composite or PAROC roof insulation.
Base Sheet (Optional): One or more layers "Fields Glass"
or other UL Classified Type G1 or G2 product.
Membrane: One or more layers Tri-Ply "TP-4", "TP4-G"
or "TRI-Crown TG" (modified bitumen), heat fused.
Surfacing: "Fields F600 FlameBloc", 1-1/2 gal/sq.
9. Deck: C-15/32 Incline: 1/2
Insulation (Optional): Any thickness, one or more layers, Johns
Manville "Fesco", "Fesco-Foam", "ISO 1",
"ENRGY-2", hot mopped or mechanically fastened, in combination
(optional) with 1/2 in. "Retro-Fit" cover board, or 3/4 in.
"Fesco" over polystyrene, hot mopped or mechanically fastened.
All insulation joints offset from plywood deck joints, 6 in. min.
Base Sheet: One or more plies Type G1 or G2, hot mopped.
Membrane: "Fields M68" (modified bitumen), hot mopped.
10. Deck: NC Incline: 1/2
Insulation (Optional): One or more layers, any thickness, Johns
Manville "Fesco", "Fesco-Foam", "ISO 1",
"ENRGY-2" or any UL Classified polyisocyanurate insulation,
mechanically fastened or hot mopped in combination (optional) with 1/2
in. "Retro-Fit" cover board or 3/4 in. "Fesco" over
polystyrene, mechanically fastened or hot mopped.
Base Sheet: One or more plies Type G1 or G2, mechanically fastened
or hot mopped.
Membrane: "Fields M68" (modified bitumen), hot mopped.
11. Deck: C-15/32 Incline: 1/2
Barrier Board (Optional): G-P Gypsum Dens-Deck®, 1/4 in. thick
min.
Insulation (Optional): Perlite, 1 in. thick min.
Base Sheet: One or more layers Type G2 or "M62 RubrGlas".
Ply Sheet: One or more layers Type G1 or "M66 RubrGlas2".
Cap Sheet: "F58 GlasCap".
Membrane: "Fields M68 RubrCap FR Heavy" (modified bitumen),
hot mopped.
12. Deck: NC Incline: 1/2
Barrier Board (Optional): G-P Gypsum Dens-Deck®, 1/4 in. thick
min.
Insulation (Optional): Perlite, 3/4 in. thick min.
Base Sheet: One or more layers Type G2 or "M62 RubrGlas".
Ply Sheet: One or more layers Type G1 or "M66 RubrGlas2".
Cap Sheet: "F58 GlasCap".
Membrane: "Fields M68 RubrCap FR Heavy" (modified bitumen),
hot mopped.
13. Deck: NC Incline: 1/4
Insulation: Glass fiber, perlite or wood fiber, 1-1/2 in. max.
Base Sheet: Type G2.
Membrane: Dibiten "Dibiflex S", "Dibiflex Supra
S" or "Dibiflex 170" (modified bitumen), applied with hot
asphalt or heat fused in place.
Surfacing: "Fields F600 FlameBloc" at 1-1/2 gal/sq.
Class B - Fully Adhered
1. Deck: C-15/32 Incline: 1/2
Insulation (Optional): Any thickness, one or more layers UL Classified
perlite, glass fiber, polyisocyanurate, polyisocyanurate/composite or
Partek Insulation Inc. PAROC roof insulation.
Base Sheet: One or more layers "Fields Glass" or other
UL Classified Type G2 product.
Membrane: One or more layers of U.S. Intec Inc. "BRAI-4",
"BRAI SP-4" or "BRAI GBSP-4" (modified bitumen), heat
fused.
Surfacing: "Fields F600 FlameBloc", 1-1/2 gal/sq.
2. Deck: C-15/32 Incline: 1/2
Insulation (Optional): Any thickness, one or more layers UL Classified
perlite, glass fiber, polyisocyanurate, polyisocyanurate/composite or
Partek Insulation Inc. PAROC roof insulation.
Base Sheet: One or more layers "Fields Glass" or other
UL Classified Type G2 product.
Membrane: One or more layers Firestone Building Products "Firestone
APP 160" or "Firestone 170 APP" (modified bitumen), heat
fused.
Surfacing: "Fields F600 FlameBloc", 1-1/2 gal/sq.
3. Deck: C-15/32 Incline: 1/2
Insulation (Optional): Any thickness, one or more layers UL Classified
perlite, glass fiber, polyisocyanurate, polyisocyanurate/composite or
Partek Insulation Inc. PAROC roof insulation.
Base Sheet: One or more layers "Fields Glass" or other
UL Classified Type G2 product.
Membrane: One or more layers of GS Roofing Products "Flintlastic
GTA or STA" (modified bitumen), heat fused.
Surfacing: "Fields F500 FlameBloc" or "Fields F600
FireBloc", 1-1/2 gal/sq.
4. Deck: C-15/32 Incline: 1/2
Insulation (Optional): Any thickness, one or more layers UL Classified
perlite, glass fiber, polyisocyanurate, polyisocyanurate/composite or
Partek Insulation Inc. PAROC roof insulation.
Base Sheet: One or more layers "Fields Glass" or other
UL Classified Type G2 product.
Membrane: One or more layers of Polyglass Inc. "Dulflex",
"Dulflex G", "Polyflex", "Polyflex G" (modified
bitumen), heat fused.
Surfacing: "Fields F500 FlameBloc" or "Fields F600
FireBloc", 1-1/2 gal/sq.
5. Deck: C-15/32 Incline: 1/2
Insulation (Optional): Any thickness, one or more layers UL Classified
perlite, glass fiber, polyisocyanurate, polyisocyanurate/composite or
Partek Insulation Inc. PAROC roof insulation.
Base Sheet: One or more layers "Fields Glass" or other
UL Classified Type G2 product.
Membrane: One or more layers of Bitec Inc. "APM-4T",
"APM-4.5T", "APS-4T", "ISA-4T" (modified
bitumen), heat fused.
Surfacing: "Fields F600 FlameBloc", 1-1/2 gal/sq.
6. Deck: C-15/32 Incline: 1/2
Insulation (Optional): Any thickness, one or more layers UL Classified
perlite, glass fiber, polyisocyanurate, polyisocyanurate/composite or
Partek Insulation Inc. PAROC roof insulation.
Base Sheet: One or more layers "Fields Glass" or other
UL Classified Type G2 product.
Membrane: One or more layers of Performance Building Products Inc.
"Permax A-Economy", "Permax A-Special", "Permax
A-Xtra", "Permax A-Special Mineral" or "Permax A-Xtra
Mineral" (modified bitumen), heat fused.
Surfacing: "Fields F600 FlameBloc", 1-1/2 gal/sq.
7. Deck: C-15/32 Incline: 1/2
Insulation (Optional): Any thickness, one or more layers UL Classified
perlite, glass fiber, polyisocyanurate, polyisocyanurate/composite or
Partek Insulation Inc. PAROC roof insulation.
Base Sheet: One or more layers "Fields Glass" or other
UL Classified Type G2 product.
Membrane: One or more layers Johns Manville "APPeX 4S",
"4M", "5S", "APPeX 180", "Nord 200",
"EM4000" (modified bitumen), heat fused.
Surfacing: "Fields F600 FlameBloc", 1-1/2 gal/sq.
8. Deck: C-15/32 Incline: 1/2
Insulation (Optional): Any thickness, one or more layers UL Classified
perlite, glass fiber, polyisocyanurate, polyisocyanurate/composite or
Partek Insulation Inc. PAROC roof insulation.
Base Coat: One or more layers "Fields Glass" or other
UL Classified Type G2 product.
Membrane: One or more layers Tri-Ply "TP-4", "TP4-G"
or "TRI-Crown TG" (modified bitumen), heat fused.
Surfacing: "Fields F600 FlameBloc", 1-1/2 gal/sq.
9. Deck: C-15/32 Incline: 1/2
Base Sheet: Type G2, nailed.
Ply Sheet: One or more layers Type G2 "Fields Glass"
or other UL Classified G2 product, adhered with "Fields F100 PowrCoat",
"Fields M100 RubrCoat", "Fields F100 PowrLap".
Membrane: "Fields M68" (modified bitumen), hot mopped.
10. Deck: NC Incline: 1/2
Insulation (Optional): One or more layers, any thickness, Johns
Manville "Fesco", "Fesco-Foam", "Fiber Glass
Roof Insulation", "ISO 1", "ENRGY-2" or any UL
Classified polyisocyanurate roof insulation, in combination (optional)
with 1/2 in. "Retro-Fit" cover board, first layer mechanically
attached, subsequent layers hot mopped or 3/4 in. "Fesco" over
polystyrene, mechanically attached.
Base Sheet: One or more layers Type G2 "Fields Glass"
or other UL Classified G2 product, mechanically fastened.
Membrane: "Fields M68" (modified bitumen), hot mopped.
11. Deck: C-15/32 Incline: 1/2
Insulation (Optional): Any thickness, one or more layers, Johns
Manville "Fesco", "Fesco-Foam", "Fiber Glass
Roof Insulation", "ISO 1", "ENRGY-2" or any UL
Classified polyisocyanurate roof insulation, in combination (optional)
with 1/2 in. "Retro-Fit" cover board, first layer mechanically
attached, subsequent layers hot mopped or 3/4 in. "Fesco" over
polystyrene, mechanically attached. All insulation joints offset from
plywood deck joints, 6 in. min.
Base Sheet: One or more layers Type G2 "Fields Glass"
or other UL Classified G2 product.
Membrane: "Fields M68" (modified bitumen), adhered with
"Fields F100 PowrCoat", "Fields M100 RubrCoat", "Fields
F110 Powr Lap".
12. Deck: C-15/32 Incline: 1/2
Base Sheet: Two plies Type G2, nailed or hot mopped in place.
Membrane: One or more plies Dibiten "Dibiten Poly/4",
"Dibiten Poly/4.5" or "Dibiten Poly/5" (modified bitumen),
heat fused.
Surfacing: "Fields F600 FlameBloc" at 1-1/2 gal/sq.
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