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4 Malarkey LOW SLOPE ROOFING SYSTEM SPECIFICATION
Roofing Products- FOUR-PLY CONVENTIONAL 502
System Configuration Max.Wrnty.
M4-XHA(3-500,502 cap) 5-15 year INSULATION/ •
M4-XIA(3-506,502 cap) . 5-20 year COVER BOARD
•
Materials per 100 sq./ft.of roof area:
Ply Sheet Options(choose one of the following): •
Three(3)plies of#500 7.2 lbs.per ply/21.6 lbs.
Three(3)plies of#506 9.2 lbs.per ply/27.6 lbs. n
Cap Sheet: 1 .
One e(1)ply y of#502 72.0 lbs.
Adhesive for roofing plies: ASTM D 312 Type III,or IV
25.0 lbs.per ply/per sq.
Insulation: Specified
Qwwl
Weight per square(-insulation): 193.6 lbs.to 199.6 lbs.
Roof deck and general information: Roof deck must be
clean, dry, smooth, and structurally sound to receive the new •
roofing system. Drainage must be incorporated in the design
to prevent ponding water. For more information, please refer
to the current Malarkey Specification Manual:General require-
ments and Commercial Installation Instructions. PLIES FULLY CAP SHEET
Special requirements:This roofing system can be installed as ADHERED FULLY ADHERED
illustrated on slopes up to 1"in 12".Slopes that are greater than
Four-ply,hot mopped,built-up roofing system with conventional fiber-
1" in 12" are to be installed in a strapped fashion using ASTM
D glass ply and cap sheet installed over an approved roof deck.
312 Type IV asphalt, and wood nailers/insulation stops to
facilitate back nailing of the roofing system. For more informa-
tion, please refer to the current Malarkey Specification Manual: Fire Ratings: The specification carries a Class `A' rating up
General Requirements/Strapped Installations.
to 2" in 12" over the following decks: Wood, Metal, Concrete,
Application: Hot Mopped - install all inter-plies so that the Lightweight Concrete, Structural Wood Fiber, and Gypsum.
water runs over(shingle fashion)or parallel to (strapped), but The exact listing for this roofing system can be found in the
never against the laps in a uniform mopping of hot asphalt at current edition of the ITS Warnock Hersey Directory of Listed
the nominal rate of 25 lbs. per ply, per square. Broom all plies Products. For other ratings, contact the Malarkey Technical
to ensure contact between the asphalt and the bottom surface Services Department.
of the roofing felts.Cap sheet will be installed so that the water Approved Insulations:Polyisocyanurate,Expanded/extruded
runs over(shingle fashion)or parallel to(strapped), but never polystyrene (see Precautions below), Styrofoam (see Precau-
against the laps. Cut cap to 1/3 of the total length(11')and al-
low to relax prior to installation. Position cap membrane for in-
stallation and embed into a uniform mopping of asphalt applied turer.Cover boards:Perlite,High Density Wood Fiber,Gypsum
at the rate of 25 lbs.per square. Broom all cap sheet to ensure Utility Board (see Precautions below), attached as required by
contact between the asphalt and the bottom of the sheet.
Stag-the insulation manufacturer.
ger all end laps a minimum of 12". Precautions: EPS/XPS insulation can be used with hot ap-
Flashings: Install all primed flashings (lead, metal, scuppers, plied roofing systems only and require the cover board
etc) in a layer of plastic cement on top of the inter ply and joints to be taped to prevent damage due to asphalt seep-
stripped off with Two(2)of reinforcement, feathering each ply age. Gypsum utility board is to receive a one ply of the speci
fied ply sheet over its entire surface, before multiple layers
3" from the edge of the flange and corresponding ply. Install
of ply sheet can be installed. Contact Malarkey's Technical
cap sheet after all flashings have been stripped in.
Department for more information regarding these precautions
Base flashings: Base flashing stripping ply(s) are to be in- 800-545-1191.
stalled over the inter-ply before the installation of the field sur-
facing. Stripping ply(s)are to extend 3" beyond the toe of the
cant and up the vertical surface of all flat to vertical transitions
(curbs,walls, roof top equipment, etc). After the installation of
the field surfacing,install the specified cap sheet base flashing
extending 6"beyond the toe of the cant and up the vertical sur-
face.Terminate the base flashing as shown in the commercial
roofing details of the current Malarkey Specification Manual.
•
www.MalarkeyRoofing.com•800-545-1191 5-21 Specification Manual 07/06-MAL
TGFir R4170 - Roofing Systems Page 1 of 9
U� .
ONLINE.CERTIFICATIONS DIRECTORY
TGFU.R4170
Roofing Systems
Page Bottom
Roofing Systems
See General Information for Roofino Systems
MALARKEY ROOFING PRODUCT R4170
3131 N COLUMBIA BLVD
KENTON STATION
PO BOX 17217
PORTLAND,OR 97217 USA
Unless otherwise indicated the"501 or 503 Modified Base"is interchangeable with"515 Base"(Type G2).500 Ply 4 and 506 Ply 6 are also interchangeable.
Unless otherwise indicated,vapor retarders,base or ply sheets are optional beneath roof insulation on all roof systems.
Unless otherwise indicated,roof insulation and base sheets may be mechanically fastened to the deck with screws and metal or plastic discs;hot roofing asphalt or a combination of screws/discs and
hot roofing asphalt.
UL Classified insulation adhesive may be used in any of the following Classifications to adhere uniform or tapered roof insulation(excluding polystyrenes)in any thickness or combination,(provided
they do not exceed the indicated incline or thickness)to non-combustible roof deck substrates and other insulation layers including wood fiberboard,G-P Gypsum Corp."DensDeck®Roofboard"or
"DensDeck Prime®Roofboard"or"DensDeck DuraGuard'"Roofboard"and 1/4,3/8,1/2 or 5/8 in.thick"SECUROCK'"Roof Board(Type FRX-G)".
Any noncombustible deck Classification incorporating polyisocyanurate insulation may substitute the polyisocyanurate with EPS covered by a layer of 1/2-in.thick(min)wood fiberboard,3/4-in.thick
(min)perlite board or 1/4-in.(min)G-P Gypsum"DensDeck®,""DensDeck Prime®,"or"DensDeck DuraGuard®"or 1/4,3/8, 1/2 or 5/8 in.thick"SECUROCK""Roof Board(Type FRX-G)".
Classification(A,B or C)and maximum incline limited to membrane manufacturer's insulated or non-insulated roofing systems(TGFU)Certifications.NOTE:"SECUROCK'"Roof Board(Type FRX-G)"
is limited to incline not to exceed 3-in and limited to current TGFU-R4615 File Notes.
(Optional)Noncombustible deck Classifications are applicable for use over combustible(15/32 in.min plywood)decks when 1/2 in.(min)gypsum board;1/4-in.(min)G-P Gypsum"DensDeck®,"
"DensDeck Prime®,"or"DensDeck DuraGuard®"1/4 in.(min)"G-P Gypsum DensDeck®"are used directly over the deck with all joints staggered 6 in.(min)from plywood joints.Classification(A,B
or C)and maximum incline limited to membrane manufacturer's insulated or non-insulated roofing systems(TGFU)Certifications.
The following base sheets are equivalent and may either be adhered with hot asphalt(15-25 lb/sq)or be mechanically fastened:
a)"501 Modified Base"
b)"503 Modified Base"
c)"515 Base"
The following ply sheets are equivalent and may either be adhered with hot asphalt(15-25 lb/sq)or be mechanically fastened:
a)"500 Ply 4"
b)"506 Ply 6"
Unless otherwise indicated,references to Type G2 include base sheets"501 Modified Base""503 Modified Base""51S Base"in any of the following Classifications below.
Type G3 fiberglass reinforced cap sheet("502 Cap")may be used(inverted)in lieu of the Type G2 base sheet in any of the Classifications below.
Unless otherwise indicated,in any of the following Classifications that reference to Type G1 would include ply sheets"500 Ply 4"and"506 Ply 6".
Unless otherwise indicated,references to Type G3 include cap sheets"502 Cap",hot mopped.
Class A,B or C
1.Deck:NC Incline:See Note 1
Insulation(Optional):—Any Classified,any thickness.
Barrier Board:—1/4,3/8, 1/2 or 5/8-in,thick SECUROCK''Roof Board(Type FRX-G),mechanically fastened.
Membrane:—Any modified bitumen system,cold-applied or hot-mopped BUR systems,fluid applied systems,spray applied foam and coating systems or CPE,CSM,CSPE,PIB,NBP,TRE,
EPDM,TPO or PVC single ply membrane system suitable for use with any roof insulation Classified under Roofing Systems(TGFU).
2.Deck:C-15/32 Incline:1 max.(Also See Note 1)
Insulation(Optional):—Any Classified,any thickness.
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TGFIJ.R4170 - Roofing Systems Page 2 of 9
Barrier Board:— 1/2 or 5/8-in.thick SECUROCK'"Roof Board(Type FRX-G),mechanically fastened with all butt joints staggered a minimum of 6 in.from the plywood deck joint.
Membrane:—Any modified bitumen system,fluid applied systems,spray applied foam and coating systems or CPE,CSM,CSPE,FIB,NBP,TRE,EPDM,TPO or PVC single ply membrane
system suitable for use with any roof insulation Classified under Roofing Systems(TGFU).
•
3.Deck:C-15/32 Incline:See Note 2 O„
Insulation(Optional):—Any UL Classified,any thickness. • ,•,o�/J
Barrier Board:—1/4,3/8, 1/2 or 5/8 in.thick SECUROCK"Roof Board(Type FRX-G)with all barrier board butt joints staggered a minimum of 6 in.from the plywood deck butt joints.
Membrane:—Any cold-applied or hot-mopped BUR systems suitable for use with any roof insulation Classified under Roofing Systems(TGFU).
4.Deck:C-15/32 Incline:See Note 2
Base Sheet:—One ply Type G2 mechanically attached.
Insulation(Optional):—Any UL Classified,any thickness.
Barrier Board:— 1/4,3/8, 1/2 or 5/8 in.thick SECUROCK'"Roof Board(Type FRX-G)with all barrier board butt joints staggered a minimum of 6 in.from the plywood deck butt joints.
Membrane:—Any modified bitumen system,fluid applied systems,spray applied foam and coating systems or CPE,CSM,CSPE,PIB,NBP,TRE,EPDM,TPO or PVC single ply membrane
system suitable for use with any roof insulation Classified under Roofing Systems(TGFU).When the Classified roof-covering system consists of single or multiple plies of base/ply sheets with
a total minimum glass reinforcement weight of 1.0 lbs per 100 ft2,the use of the Type G2 base sheet is optional.
5.Deck:C-15/32 Incline:See Note 2
Barrier Board:—(See Note 3)—1/4,3/8,1/2 or 5/8 in.thick SECUROCK'"Roof Board(Type FRX-G)with all barrier board butt joints staggered a minimum of 6 in.from the plywood deck
butt joints.
Insulation(Optional):—Fiberglass,polyisocyanurate,perlite or wood fiber,any thickness.
Membrane:—Any cold-applied or hot-mopped BUR systems suitable for use over the types of insulation specified above Classified under Roofing Systems(TGFU).
6.Deck:C-15/32 Incline:See Note 2
Base Sheet:—One ply Type G2 mechanically attached.
Barrier Board:—(See Note 4)—1/4,3/8, 1/2 or 5/8 in.thick SECUROCK"Roof Board(Type FRX-G)with all barrier board butt joints staggered a minimum of 6 in.from the plywood deck
butt joints.
Insulation(Optional):—Fiberglass,polyisocyanurate,perlite or wood fiber,any thickness.
Membrane:—Any modified bitumen system,fluid applied systems,spray applied foam and coating systems or CPE,CSM,CSPE,PIB,NBP,TRE,EPDM,TPO or PVC single ply membrane
system suitable for use over the types of insulation specified above Classified under Roofing Systems(TGFU).When the Classified roof-covering system consists of single or multiple plies of
base/ply sheets with a total minimum glass reinforcement weight of 1.0 lbs per 100 ft2,the use of the Type G2 base sheet is optional.
7.Deck:C-15/32 Incline:See Note 2
Insulation:—Fiberglass,polyisocyanurate,perlite or wood fiber,(UL Classified,any thickness).
Barrier Board:—1/4,3/8, 1/2 or 5/8 in.thick SECUROCK"Roof Board(Type FRX-G)with all barrier board butt joints staggered a minimum of 6 in.from the plywood deck butt joints.
Membrane:—Any modified bitumen system,fluid applied systems,spray applied foam and coating systems or CPE,CSM,CSPE,FIB,NBP,TRE,EPDM,TPO or PVC single ply membrane
system suitable for use with any roof insulation Classified under Roofing Systems(TGFU).
8.Deck:C-15/32 Incline:See Note 5
Barrier Board:— 1/4,3/8, 1/2 or 5/8 in.thick SECUROCK'"Roof Board(Type FRX-G)with all barrier board butt joints staggered a minimum of 6 in.from the plywood deck butt joints.
Insulation:—Fiberglass,polyisocyanurate,perlite or wood fiber,(UL Classified,any thickness).
Membrane:—Any modified bitumen system,fluid applied systems,spray applied foam and coating systems or CPE,CSM,CSPE,PIB,NBP,TRE,EPDM,TPO or PVC single ply membrane
system suitable for use over the types of insulation specified above Classified under Roofing Systems(TGFU).
Note 1:Classification(A,B or C)and maximum incline limited to membrane manufacturer's insulated or non-insulated roofing systems(TGFU)Certifications.
Note 2:Classification(A,B or C)and incline limited to membrane manufacturer's insulated or non-insulated roofing systems(TGFU)Certifications but incline is not to exceed 3-in.
Note 3:The use of SECUROCK'"Roof Board(Type FRX-G)as a-barrier board directly over the combustible deck permits the use of any Classified Roofing System(TGFU)which otherwise is
limited to use over noncombustible deck.When used,the insulation must consist of one of the types specified.
Note 4:The use of a Type G2 base sheet and SECUROCK"Roof Board(Type FRX-G)as a barrier board directly over the combustible deck permits the use of any Classified Roofing System
(TGFU)which otherwise is limited to use over noncombustible deck.When used,the insulation must consist of one of the types specified.
Note 5:Classification(A,B or C)and incline limited to membrane manufacturer's insulated roofing systems(TGFU)Certifications but incline is not to exceed 3-in.
Class A-Ballasted
1.Deck:C-15/32 Incline: 1
Insulation(Optional):—Any UL Classified polyisocyanurate insulation,any thickness,one or more layers"Fesco"or"DuraBoard","Fesco-Foam","Fiber Glass Roof Insulation","ISO 3",
"ENRGY 3"or hot mopped or mecharltcally fastened in combination(optional)with 1/2 in."Retro-Fit"cover board or wood fiberboard,or 3/4 in."Fesco"or"DuraBoard"over polystyrene.
Base Sheet:—One ply Type G1 or/"S00 Premium Ply 4"and"506 Ply 6",or Type G2"501 Modified Base""503 Modified Base Sheet""515 Base",mechanically fastened or hot mopped.
Ply Sheet:—Two or more plies Type GI or"500 Ply 4"and"506 Ply 6,hot mopped.
Surfacing:—River bottom stone(3/4 to 1-1/2-in dia.)at 1000 lbs/sq or concrete pavers at 10 lbs/sq spaced a max of 1/8-in.apart).
2.Deck:C-15/32 Incline:3
Insulation(Optional):—Any UL Classified polyisocyanurate insulation,any thickness,one or more layers"Fesco"or"DuraBoard","Fesco-Foam","Fiber Glass Roof Insulation","ISO 3",
"ENRGY 3"or hot mopped or mechanically fastened in combination(optional)with 1/2 in."Retro-Fit"cover board or wood fiberboard,or 3/4 in."Fesco"or"DuraBoard"over polystyrene.
Ply Sheet:—Three or more plies Type G1 or"500 Ply 4",or"506 Ply 6",nailed or hot mopped.
Surfacing:—River bottom stone(3/4 to 1-1/2-in dia.)at 1000 lbs/sq or concrete pavers at 10 lbs/sq spaced a max of 1/8-in.apart).
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TGFJ.R4170 - Roofing Systems Page 3 of 9
ASPHALT FELT SYSTEMS WITH HOT ROOFING ASPHALT
• Class A
"515 Base"is an acceptable alternate to any Type G-2 base sheet in any Classification.
1.Deck:C-15/32 Incline:3
Insulation:—Perlite,glass fiber or OCF composite glass fiber/urethane,3-1/2 in.max,nailed or hot mopped.
Base Sheet(Optional):—Type G2"508 Modified Venting Base",hot mopped.
Ply Sheets:— 1 to 3 layers"515 Base"Type G2 or"501 Modified Base"(modified bitumen),hot mopped.
Surfacing:—Gravel.
2.Deck:C-15/32 Incline:1/2
Base Sheet:—Type G2"515 Base",mechanically fastened.
Ply Sheet:—One or more plies Type G2"515 Base",hot mopped.
Surfacing:—Type G3"502 Cap",hot mopped.
3.Deck:C-15/32 Incline:3
Base Sheet:—"515 Base"Type G2 or"501 Modified Base"(modified bitumen).
Ply Sheet:— 1 or 2 layers Type G2"515 Base".
Surfacing:—Gravel.
4.Deck: NC Incline:2
Insulation(Optional):—Perlite,glass fiber or OCF glass fiber/urethane composite,3.3/4 in.max,mechanically fastened or hot mopped.
Base Sheet(Optional):—Type G2"508 Modified Venting Base".
Ply Sheet:—1 or 2 layers Type G1"500 Ply 4".
Surfacing:—Type G3"502 Cap",hot mopped.
5.Deck:C-15/32 Incline:2
Insulation:—Glass fiber or OCF glass fiber/urethane composite,1 to 3-3/4 in.mechanically fastened or hot mopped.
Ply Sheet:—2 or more layers Type G2"515 Base"or"501 Modified Base"hot mopped.
Surfacing:—Type G2 or G3"502 Cap",hot mopped.
6.Deck:NC Incline:3
Base Sheet:—Type G2"515 Base",mechanically fastened or hot mopped.
Ply Sheet:—1 or more layers Type G1"500 Ply 4",hot mopped.
Surfacing:—Gravel.
7.Deck:C-15/32 Incline: 1
Insulation(Optional):—Any UL Classified polyisocyanurate insulation,any thickness,one or more layers"Fesco"or"DuraBoard","Fesco-Foam","Fiber Glass Roof Insulation","ISO 3",
"ENRGY 3"or hot mopped or mechanically fastened in combination(optional)with 1/2 in."Retro-Fit"cover board,or 3/4 in."Fesco"or"DuraBoard"over polystyrene.
Base Sheet:—One ply Type G1 or"500 Ply 4"and"506 Ply 6",or Type G2"501 Modified Base""503 Modified Base""515 Base",mechanically fastened or hot mopped.
Ply Sheet:—Two or more plies Type G1 or"500 Ply 4"and"506 Ply 6,hot mopped.
Surfacing:—Gravel or crushed stone at 400 lbs/sq or slag at 300 lbs/sq embedded into hot roofing asphalt.
8.Deck:C-15/32 Incline:3
Insulation(Optional):—Any UL Classified polyisocyanurate insulation,any thickness,one or more layers"Fesco"or"DuraBoard","Fesco-Foam","Fiber Glass Roof Insulation","ISO 3",
"ENRGY 3"or hot mopped or mechanically fastened in combination(optional)with 1/2 in."Retro-Fit"cover board,or 3/4 in."Fesco"or"DuraBoard"over polystyrene.
Ply Sheet:—Three or more plies Type G1 or"500 Ply 4"or"506 Ply 6",nailed or hot mopped.
Surfacing:—Gravel or crushed stone at 400 lbs/sq or slag at 300 lbs/sq embedded into hot roofing asphalt.
9.Deck:NC Incline: 1-1/2
Insulation(Optional):—Any UL Classified polyisocyanurate Insulation,any thickness,one or more layers"Fesco"or"DuraBoard","Fesco-Foam","Fiber Glass Roof Insulation","ISO 3",
"ENRGY 3"or hot mopped or mechanically fastened in combination(optional)with 1/2 in."Retro-Fit"cover board or wood fiberboard,or 3/4 in."Fesco"or"DuraBoard"over polystyrene.
Base Sheet:— lype 02 or"501 Modified Base""503 Modified Base""515 Base"or Johns Manville"PermaPly 28"or"Ventsulation"mechanically fastened or hot mopped.
Ply Sheet(Optional):—Two or more plies Type G1 or"500 Ply 4"and"506 Ply 6",mechanically fastened or hot mopped.
Surfacing:—"502 Cap",hot mopped.
10.Deck: NC Incline: 1-1/2
Insulation(Optional):—Any UL Classified polyisocyanurate insulation,any thickness,one or more layers"Fesco"or"DuraBoard","Fesco-Foam","Fiber Glass Roof Insulation","ISO 3",
"ENRGY 3"or hot mopped or mechanically fastened in combination(optional)with 1/2 in."Retro-Fit"cover board or wood fiberboard,or 3/4 in."Fesco"or"DuraBoard"over polystyrene.
Base Sheet(Optional):—Type G2 or"501 Modified Base""503 Modified Base""515 Base"or Johns Manville"PermaPly 28"or"Ventsulation"mechanically fastened or hot mopped.
Ply Sheet:—Two or more plies Type G1 or"500 Ply 4"and"506 Ply 6",mechanically fastened or hot mopped.
Surfacing:—Type G3"502 Cap",hot mopped.
11.Deck:C-15/32 Incline:1
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Insulation(Optional):—Any UL Classified polyisocyanurate insulation,any thickness,one or more layers"Fesco"or"DuraBoard","Fesco-Foam","Fiber Glass Roof Insulation","ISO 3",
"ENRGY 3"or hot mopped or mechanically fastened in combination(optional)with 1/2 in."Retro-Fit"cover board or 3/4 in."Fesco"or"DuraBoard"over polystyrene.
Base Sheet:—One ply Type G1 or"500 Ply 4"and"506 Ply 6"or Type G2"501 Modified Base""503 Modified Base""515 Base"or Johns Manville"Ventsulation",mechanically fastened or
hot mopped.
• Ply Sheet:—Two or more plies Type G1 or"500 Ply 4"and"506 Ply 6",mechanically fastened or hot mopped.
Surfacing:—Type G3"502 Cap",hot mopped.
12.Deck:NC Incline: 1
Insulation:—Any thickness,one or more layers,any UL Classified perlite,fiber glass,wood fiberboard,polyisocyanurate,polyisocyanurate/perlite composite,hot mopped,mechanically
attached or cold adhesive.
Base Sheet:—"500 Ply 4"and"506 Ply 6",or Type G2"501 Modified Base""503 Modified Base""515 Base"or Johns Manville"Ventsulation",mechanically fastened or hot mopped.
Ply Sheet:—One or more plies of"501 Modified Base Sheet,""503 Modifed Base,""500 Ply 4,"and"506 Ply 6"hot mopped.
Surfacing:—Type G3"502 Cap",hot mopped.
13.Deck: NC Incline:1
Base Sheet:—Type G2"501 Modified Base""503 Modified Base""515 Base"or Johns Manville"PermaPly 28","GlasBase"or"Ventsulation",mechanically fastened or hot mopped.
Ply Sheet:—One or more plies of"501 Modified Base"or"503 Modified Base",hot mopped.
Surfacing:—Type G3"502 Cap",hot mopped.
14.Deck:C-15/32 Incline:2
Base Sheet:—Type G2"501 Premium Modified Base""503 Modified Base""515 Base"or Johns Manville"GlasBase"or"Ventsulation",mechanically fastened or hot mopped.
Insulation—Any thickness,one or more layers"Fesco"or"DuraBoard"(must be 1 in.min at 1 in.incline),"Fesco-Foam","Fiber Glass Roof Insulation","ISO 3","ENRGY 3"or any UL
Classified polyisocyanurate,hot mopped or mechanically fastened,in combination(optional)with 1/2 in."Retro-Fit"cover board,or 3/4 in."Fesco"or"DuraBoard"over polystyrene.
Ply Sheet:—Two or more plies Type G1 or"500 Ply 4"and"506 Ply 6".
Surfacing:—Type G3"502 Cap",hot mopped.
15.Deck:NC Incline:2
Base Sheet(Optional):—Type G2"501 Modified Base""503 Modiefied Base""515 Base"or Johns Manville"GlasBase"or"Ventsulation",mechanically fastened or hot mopped.
Insulation:—Any thickness,one or more layers"Fesco"or"DuraBoard"(must be 1 in.min at 1 in.incline),"Fesco-Foam","Fiber Glass Roof Insulation","ISO 3","ENRGY 3"or any UL
Classified polyisocyanurate,hot mopped or mechanically fastened,in combination(optional)with 1/2 in."Retro-Fit"cover board or wood fiberboard,or 3/4 in."Fesco"or"DuraBoard"over
polystyrene.
Ply Sheet:—Two or more plies Type GI or"500 Ply 4"and"506 Ply 6"or Type G2"501 Modified Base""503 Modified Base""515 Base",hot mopped.
Surfacing:—Type G3"502 Cap",hot mopped.
Class B
1.Deck: NC Incline:3
Insulation(Optional):—Insulation(Optional):—Any UL Classified polyisocyanurate insulation,hot mopped or mechanically fastened in combination(optional)with 1/2 in."Retro-Fit"
cover board or wood fiberboard,or 3/4 in."Fesco"or"DuraBoard"over polystyrene.Any thickness,one or more layers"Fesco"or"DuraBoard","Fesco-Foam","Fiber Glass Roof Insulation",
"ISO 3"or"ENRGY 3".
Ply Sheet:—Two or more plies Type G1 or"500 Ply 4"and"506 Ply 6",mechanically fastened or hot mopped.
Surfacing:—Type G3"502 Cap",hot mopped.
2.Deck:C-15/32 Incline:No Limitation
Base Sheet(Optional):—Type G2"501 Modified Base""503 Modified Base""515 Base"or Johns Manville"GlasBase",mechanically attached or hot mopped.
Ply Sheet:—Two or more plies Type GI or"500 Ply 4"and"506 Ply 6",mechanically fastened or hot mopped.
Surfacing:—Type G3"502 Cap",hot mopped.
COMBINATION HOT AND COLD SYSTEMS
Class A
1.Deck:NC Incline: 1-1/2
Insulation:—Glass fiber,perlite or wood fiber 1 in.,mechanically fastened or hot mopped.
Ply Sheet:—2 or more layers Type G1"500 Ply 4",hot mopped.
Surfacing:—"Fibered Asphalt Emulsion",3 gal/sq
2.Deck:NC Incline:3/4
Insulation:—Glass fiber,perlite or wood fiber 1 in.,mechanically fastened or hot mopped.
Ply Sheet:—2 or more layers Type G1"500 Ply 4",hot mopped.
Surfacing:—"Fibered Aluminum Roof Coating",2 gal/sq
Class B
1.Deck:C-15/32 Incline:1/2
Insulation:—Perlite glass fiber,wood fiber or R-Max"Standard"polyisocyanurate 1-3 in.,mechanically fastened or hot mopped.
Ply Sheet:—3 layers Type GI"500 Ply 4".
Surfacing:—"Fibered Asphalt Emulsion",3 gal/sq
http://database.ul.com/cgi-bin/XYV/template/LISEXT/1 FRAME/showpage.html?name=TGFU.R4170&cc... 2/2/2011