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UL CLASSIFICATIONS


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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Fields Company LLC
2240 Taylor Way,
Tacoma WA 98421

Phone:
800-627-4098
Fax:
253-383-2181
email:
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