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FM APPROVAL GUIDE

Fields Co LLC 2240 Taylor Way Tacoma WA 98421

Roof Cover: Glass Felt BURs
Insulations: FC2S Iso Hot
Decks: Steel, Wood, Gypsum (reroof), Cementitious Wood Fiber, Concrete (where shown)

Construction #1: Min 1.5 in. (38 mm) FC2S Iso Hot is loose laid on the deck. Min 0.75 in. (38 mm) thick Celotherm, ConPerl, GAFTEMP Permalite, Permalite, Fesco Board or min 1 in. (25 mm) thick Armor Board Regular, Esgard, Celotex Fiberboard, GAFTEMP Fiberboard, Huebert Fiberboard, Kop-R Wood Fiber is placed with all joints staggered and mechanically fastened through the isocyanurate insulation to the deck. For deck types, fasteners, fastener densities and wind ratings, see individual cover board listings in the Insulation and Fastener Tables for Approved Glass and Organic Felt Built Up Roofs. May also be used with Organic Felt BUR covers. Meets 1-60/1-90 per insulation securement.

Construction #1a
: Min 1.3 in (32 mm) thick FC2S Iso Hot is loose laid over a min 22 ga. steel or structural concrete deck. Min 34 in. (19 mm) thick Celotherm, ConPerl, GAFTEMP Permalite or Fesco Board is placed over the insulation and mechanically fastened to the deck. For deck types, fasteners, fastener densities and wind ratings, see the individual cover board listings in the Insulation and Fastener Tables for Approved Glass and Organic Felt Built Up Roofs. May also be used with Organic Felt BUR covers and specific modified bitumen membranes. Meets Class 1-60/1-90 per insulation securement.


Construction #2: Min 1 in. (25 mm) FC2S Iso Hot is loose laid on the deck. Min 0.75 in. (38 mm) thick Celotherm, ConPerl, GAFTEMP Permalite, Permalite, Fesco Board is placed with all joints staggered and mechanically fastened through the isocyanurate insulation to the deck. For deck types, fasteners, fastener densities and wind ratings, see individual cover board listings in the Insulation and Fastener Tables for Approved Glass and Organic Felt Built Up Roofs. May also be used with Organic Felt BUR covers. Meets 1-60/1-90 per insulation securement.


Construction #3: Concrete. Same as Construction #1 except that the cover board is optional. When the cover board is not provided, see the Insulation and Fastener Tables for Approved Glass and Organic Felt Built Up Roofs. May also be used with Organic Felt BUR covers. Meets 1-60/1-90 per insulation securement.


Construction #4: Min 1.3 in. (32 mm) FC2S Iso Hot is mechanically secured to the deck with fasteners applied at 4 ft2 (0.4 m2) max contributory area per fastener. Min 0.75 in. (38 mm) thick Celotherm, ConPerl, GAFTEMP Permalite or Fesco Board is secured to the insulation with hot asphalt (all joints staggered). For deck types and fasteners, see individual insulation listing in the Insulation and Fastener Tables for Approved Glass Felt and Organic Felt Built-Up Roofs. May also be used with Organic Felt BUR covers. Meets Class 1-90.

   

Fields Company LLC
2240 Taylor Way,
Tacoma WA 98421

Phone:
800-627-4098
Fax:
253-383-2181
email:
sales
customer service

 

 

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