Specifications 6e6Q '200.5 tx-t)c■
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RUBEROID® Specifications N- 1 -1 -TG, N- 1 -1 -TS, and N -1 -1 -TSC
Annbassaim
OAF MAMMALS
CORPORATION
sufficient heat must be applied to the granule - surfaced RUBEROID membrane
to cause the granules to sink into the top surface coating to assure a receptive
surface for bonding to the overlapping next roll of RUBEROID membrane.
Bailable 3. For smooth surfaced installations where a coating is desired, between 1 -4
Deck weeks after installation of the RUBEROID sheets apply WEATHER COAT°
Emulsion at a rate of approximately 3 gallons per 100 square feet; Premium
Fibered Aluminum Roof Coating at a rate of approximately 1'/2- 2 gallons per
39 '!� • 100 square feet; or other GAF Materials Corporation approved p pp oved coating; see
"UL Systems' Ratings Chart," page 6. The RUBEROID membrane surface
Ai
3° Min
Side Lap must be clean, dry and free of all loose dust and dirt at the time of coating.
R UL Classifications
r e Lap
mm j UL Class Surfacing Substrate Slope Specification
Sid
f - A K97 C ' /z' N -1 -1 -TSC
isb�,• A None NC ' /z' N- 1 -1 -TS and N- 1 -1 -TG
A GPFARC NC '/2 N -1 -1 -TSC
A GWCE NC '/2' N -1 -1 -TSC
max GAFGLAS
a AS 175 RUDER= Torch For more extensive UL classifications, see page 6.
UL Chart Key
Substrate —'/2 inch minimum plywood, gypsum, structural wood fiber, 1. Surfacing
lightweight insulating concrete. K97 = Karnak #97 Fibrated Aluminum Asphalt Roof Coating
Slope —Up to 1 inch per foot for lightweight insulating concrete. GPFARC = GAF Premium Fibered Aluminum Roof Coating
(See "Lightweight Insulating Concrete Decks," page 10.) Up to 3 inches GWCE = GAF WEATHER COAT' Emulsion
per foot for other decks. 2. Substrate
C = Combustible and Noncombustible
Combustible = Wood planks, boards, etc., plywood (min. ' inch thick -
Materials ness), oriented strand board (min. 'h inch thickness).
GAFGLAS #75 Base Sheet NC = Noncombustible only
RUBEROID TORCH (Smooth or Granule Surfaced) Noncombustible = Steel, poured or precast structural concrete, lightweight
Surfacing (if desired) insulating concrete, gypsum, structural wood fiberboard, etc.
3. Slope
Approximate Weight Per Square Total 115 -130 lbs. Maximum slope allowed, in inches per foot. b
RE General
Design and Application Considerations detailed in this Manual shall apply in F EB 2 L& 20 3
addition to the following recommendations and specifications.
Application Recommendations CITY OF TIGARD
1. Lay one ply of GAFGLAS. #75 Base Sheet or STRATAVENT° Nailable (for wet BUILDING D I V I S I O N
lightweight insulating concrete decks, see page 10) lapping each sheet 2 inches
at the edges and not less than 6 inches at the end laps. Nail along the 2 inch
side lap of the base ply at intervals not to exceed 9 inches and stagger -nail
down the center of the sheet in two rows with nails spaced at 18 inch intervals
in each row. Nails should have integral metal heads at least 1 inch square or
round. ,
2. Starting at the low point of the roof, set the roll of torch - applied RUBEROID
membrane in the course to be followed and unroll half the roll where practical.
Position the membrane to provide a 3 inch side lap and a 6 inch end lap. Using
the propane torch, apply the flame to the surface of the coiled portion of the roll ,
until the surface reaches the proper application temperature (approximately
350° F). The side lap and end lap areas of the previously applied sheet must
also be heated to provide proper adhesion. The plastic film must be melted off
the selvage edge of granule - surfaced products. Move the flame from side to
side and up the side and end lap areas of the previous sheet. Slowly unroll the
membrane while pressing onto the underlying surface. Be sure that the surface
of the roll is heated sufficiently so that it develops a sheen and the texture Guarantees Available
backed product loses its sharp definition. Avoid generating heavy smoke
because it indicates that the surface is overheating. When this half of the roll is Specification RUBEROID Liberty RUBEROID
secure, reroll the other half of the roll and torch in place in the same manner. A N- 1 -1 -TS 10 10 0) '
minimum 01 inch flow out of modified bitumen compound is required at all N -1 -1 -TSC 12,10 12,10
seams. Field seams should not be troweled. At the 6 inch minimum end laps,
N- 1 -1 -TG 12,10 12,10
32
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2002 ROOFING MATERIALS AND SYSTEMS DIRECTORY
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172 ROOF COVERING MATERIALS (TEVT) ROOF COVERING MATERIALS (TEVT)
Roofing Systems (TGFU)— Continued Roofing Systems (TGFU)— Continued
Surfacing (Optional): #11 ceramic coated roof granules, applied at 50 UB -64 ", applied at 1 -1/2 gal /sq (18 dry mils) followed by the broadcast
lb /sq (12 dry mils). application of 30/60 mesh crushed walnut shells applied at 7 -8 lb /sq.
Surfacing: "Gacoflex U-66", applied at 1/2 gal/sq. mils
24. Deck: NC Incline: 1/4 g' " " PP g q' (6 dry mils).
Foam: "Polyfoam 251" or "Polyfoam 303 ", 1 in. min. 36. Deck: NC Incline: 2
Base Coat One or two applications "Gacoflex UB -64 ", applied at 1.2 Foam: "Polyfoam 275 ", any thickness.
gal /sq /application (14-28 dry mils). Primer. "E -54" (not UL Classified), 0.67 gal /sq.
Surfacing: "Gacoflex U-66 ", applied at 1 gal/ sq. (12 dry mils). Base/Top Coat "U -62 ", 2.0 gal /sq.
25. Deck: NC Incline: 1/4 Base Coat "Gacoflex UB-64," applied at 1 -1 /2 gal /sq. (18 dry mils).
Trowel Coat 30/60 mesh crushed walnut shells mixed at a rate of 5
Foam: "Polyfoam 251" or "Polyfoam 303 ", 1 in. min. , lb /gal with "Gacoflex UB-64," applied at 1-1/2 gal /sq or "Gacoflex
Base Coat One or two applications "Gacoflex UB- 7050", applied at 1 UB -64 ", applied at 1 -1/2 gal /sq (18 dry mils) followed by the broadcast
gal /sq /application (16-32 dry mils). application of 30/60 mesh crushed walnut shells applied at 7 -8 lb /sq.
Surfacing. "Gacoflex UA -65 ", applied at 1 gal/ sq. (12 dry mils). Surfacing "Gacoflex U-66 ", applied at 1/2 gal/ sq. (6 dry mils).
26. Deck: NC Incline: 1-1/ 2 37. Deck: NC Incline: 2
Foam: "Polyfoam 251" or "Polyfoam 303 ", 1 in. min. Foam: "Polyfoam 275 ", any thickness.
Base Coat One or two applications' "Gacoflex UB- 6499 ", applied at 1.2 Primer "E -54" (not UL Classified), 0.67 gal /sq.
gal /sq /application (14-28 dry mils). Base /Coat: "U -62 ", 1.25 gal /sq.
Surfacing: "Gacoflex A- 55000", applied at 1 -1/2 gal/ sq. (14 dry mils). Base Coat "U -62," 0.75 gal /sq.
27. Deck NC - ,... Incline: 1/4 • :. Base Coat (optional): "U -62," 0.75 gal/sq.
Foam: "Poly -Iso" or. "Poly -Iso Special" with "Polyfoam 251" or "Poly- Base Coat: "U -62," 0.75 gal/ sq.
foam 303 ", 1 in. min. Surfacing (optional): walnut chips at 9 to 11 Ibs per sq. •
Top Coat Two Applications "Ure -Cap 68" Series coating (various
colors), applied at 1 -3/8 gal/sq /application or three applications, GAF MATERIALS CORP R1306
applied 1 -1/4 gal/sq /application. 1361 ALPS RD, WAYNE NJ 07470
Top Coat (Optional): '.'Gacoflex UA-65" Series (various colors), applied "Ruberoid 20" or "Ruberoid Modified Base Sheet" may be utilized as an
at 1 gal /sq.or "Gacoflex UA -60", applied at 1 -1/4 gal /sq (12 dry mils). alternate to Type G2 base sheets in any of the following Classifications.
28. Deck: NC Incline: 1/4 1 / 2 in. thick (min) gypsum board or 1/4 in. thick (min) . G -P Gypsum
"Poly Iso "'or "Poly Iso Special" with "Polyfoam 251" or "Poly- Dens -Deck® may be used in any existing noncombustible deck Classification.
Foam
y When this is done, the resulting roofing _system is acceptable for use over
foam 303 ", 1 in. mina combustible (15/32 in. min) roof decks. The joints in the gypsum board and
Base Coat: One or two applications "Gacoflex UB -64 ", 1 gal /sq/ overlayment board are offset 6 in. with the joints in the deck. If polystyrene is
application (12 -24 dry mils). • part of the roof system, it must be placed below the overlayment board.
Surfacing: "Gacoflex UA-65" Series 1. gal/sq or "Gacoflex UA -60 ", Also, multiple plies of " GAFGLAS Ply 4" or "Ply 6" may be adhered to G-P
applied at 1 -1/4 gal/ sq (12 dry mils). Gypsum Dens -Deck® in hot asphalt.
29. Deck: NC Indine: 1 /4 "GAF Stratavent Eliminator Venting Base Sheet ( Nailable)" may be mechani-
Foam: "Poly -Iso" or "Poly -Iso Special" with "Polyfoam 251" or "Poly- cally attached or hot mopped over noncombustible decks and as a recover over
foam 303 ", 1 in. min. • . . existing roof systems.
Base Coat One or two a lications "Gacoflex UB 7050 , a lied at 1 GAFGLAS Perlite Insulation may be utilized as a cover board over "EVER -
PP PP GUARD" insulation in any of the following systems. 4
gal/sq /application or three applications, applied 1 -1/4' gal /sq/ Unless otherwise indicated, the roof insulation is mechanically fastened,
application (16-32 dry mils). adhered with hot mopping asphalt or urethane insulation adhesive.
Surfacing: "Gacoflex UA-65" Series (various colors), applied 1 gal/ sq ASPHALT FELT SYSTEMS WITH HOT ROOFING ASPHALT
(12 dry mils). Type G2 asphalt glass mat base sheet ( "GAFGLAS #75 Base Sheet" or
30. Deck: NC Incline: 1 / 2 . " GAFGLAS #80 Premimum Base Sheet" ) is a suitable alternate for Type Gl 5.
Foam: "Poly -Iso" or "Poly -Iso Special" with "Polyfoam 251" or "Poly- asphalt glass fiber ply sheet ( "GAFGLAS Ply 4" or "GAFGLAS Ply 6" ) in the
foam 303 ", 1 in. min. Class A, B or C roof systems indicated below.
Base Coat One or two. applications "Gacoflex U13-7050", 'applied at 1 The roof deck may first be covered with a Type G2 asphalt glass mat base
gal/sq /application or three applications, applied. 1 -1/4 gal /sq/ Stratavent "GAF Stratavent Ve ting r e hegeB ase Sheet (Perforated)" or "GAF be
application (16-32 dry mils). mopped and nailable to be mechanically attached granule side down.
Surfacing. "Gacoflex UA-60" Series (various colors), applied 1 gal/ sq As an option Type G2 asphalt glass mat base sheet ( "GAFGLAS #75 Base
(15 dry mils).. Sheet", " GAFGLAS #80 Premium Base Sheet" or "GAF Stratavent Eliminator 6.
31. Deck NC Indine: 2 r - Venting Base Sheet (Nailable)" may be substituted for GI asphalt glass fiber
Foam: "Poly -Iso" or "Poly -Iso Special" with "Polyfoam 251" or' Poly- ply. sheet ( "GAFGLAS Ply 4" or " GAFGLAS Ply 6" ) as the nailed base 'ply in
foam 303 ", 1 in. min. the following systems.
Base Coat "GacoSil S- 1000", applied at 1 gal /sq (10 dry mils). Bottom ply or base sheet'may be solid mopped, spot mopped or mechani-
Surfacing: "Gacoflex S- 1000 ", applied at 1 gal /sq (10 dry mils). call fastened.
32. Deck: NC Incline: 1 ally fastened. 7. Unless otherwise indicated, all insulations may be hot mopped or mechani-
Foam: "Polyfoam 251" or "Polyfoam 303 ", any thickness. c " GAFGLAS Flashing" or "Ruberoid" may be used for flashing in any of the
Surfacing: "Gacoflex Ure-Shield 7007 ", 40 dry mils. Class A, B or C systems listed below.
33. Deck: NC Incline: 2 When "perlite" is referenced, this includes "GAFTEMP PERMALITE®" or
Foam: "Polyfoam 275 ", any thickness. any other UL Classified perlite insulation. •
Base Coat: "Gacoflex A- 6211 ", 1-1/2 gal/ sq (14 dry mils). Crushed stone or slag are suitable alternates for gravel in any of the Class A,
Surfacing: "Gacoflex.A- 6200" series (various colors), 1 -1/2 gal/ sq (14 B or C systems listed.
dry mils). Structural cement fiber building units are considered suitable to be included
34. Deck: NC Indine: 2 as a deck in the following Class A, B or C systems listed over C -15/32 or NC.
Foam: Polyfoam 251, "Polyfoam 275" or "Polyfoam 303 ", any thickness. The use of gypsum board-under any of the following Class A, B or C systems 8.
Base Coat: One or two applications "Gacoflex UB- 7050"; applied at 1 does not adversely effect the rating. The use of 1 /2 in. min gypsum board is an
gal /sq. /application (16-32 dry mils). acceptable alternate for insulation over C -15/32 decks.
Surfacin . One a hcation of "Gacoflex A -55 Series" (various colors), The use of polystyrene insulation board between nun 3/4 in. perlite board
g PP and deck with rosin paper (perlite /rosin paper /polystyrene / perlite) is a
applied at 1 -1/2 gal /sq. (15 dry mils). suitable alternate for isocyanurate board in the following Class A, B or C
35. Deck: NC Incline: 1/4 systems.
Foam: "Polyfoam 251 ", 'Polyfoam 275" or "Polyfoam 303 ", any thick- " GAFTEMP Isotherm RA ", " GAFTEMP Tapered Isotherm RA" and
i ness. " GAFTEMP Composite A" may be substituted for any isocyanurate insulation
Base Coat: "Gacoflex UB -64," applied at 1 -1/2 gal /sq. (18 dry mils). in any of the following Classifications.
• Trowel Coat: 30/60 mesh crushed walnut shells mixed at a rate of 5 Trumbull "Perma Mop" may utilized with any of the following "Asphalt
lb /gal with "Gacoflex UB -64," applied at 1 -1/2 gal/ sq or "Gacoflex Felt Systems with Hot Roofing Asphalt ".
{ LOOK FOR. THE UL MARK ON PRODUCT
J AlliMme
N _ . 2002 ROOFING MATERIALS AND SYSTEMS DIRECTORY
. , z
ROOF COVERING MATERIALS (TEVT) ROOF COVERING MATERIALS (TEVT) 179
Roofing Systems (TGFU) Continued Roofing Systems (TGFU) Continued
9. Deck: C -15/32 Incline: 1/2 Surfacing (Optional): Karnak "No. 97" or "No. 169" at 1 -3 gal /sq or
. Insulation (Optional): Perlite or glass fiber, min 1 in. thick or polyiso- Grundy Ind. "20 F Emulsion" at 3 gal /sq.
cyanurate, 2 in. thick min. 4. Deck: 15/32 Incline: 1
Base Sheet: One ply Type G2, mechanically fastened or hot mopped. Insulation: One or more layers perlite, wood fiber, glass fiber, isocya-
Ply Sheet (Optional): One or more plies Type Gl or G2, hot mopped. nurate, urethane, perlite /isocyanurate composite, perlite /urethane com-
Membrane: "Ruberoid® Torch 1" (modified bitumen), heat fused. posite, wood fiber /isocyanurate composite, phenolic, any thickness.
10. Deck: C -15/32 Incline: 1 -1/2 Base Sheet One or more layers of Type G2 or G3.
Gypsum Board (Optional): 1/2 in., mechanically fastened. Ply Sheet (Optional): One or more layers of Type Gl. •
Slip Sheet: Atlas Roofing "FR -50 ". Membrane: One or more layers of "Ruberoid Torch" (smooth or
Insulation: . Apache Building Products "Pyrox White ", 2 in. min, granule), "Ruberoid Torch Plus" (granule), "Ruberoid Mop" (granule) or
mechanically fastened. "Ruberoid Mop Plus" (granule).
Membrane: "EverGuard FB ", 40 -100 mil (TPA). Surfacing. Grundy Ind. 20 F Emulsion, 3 gal /sq.
11. Deck: NC Incline: 1 5. Deck: NC Incline: 1/2
Base Sheet: Type G3, hot mopped or nailed. Base Sheet (Optional): One or more layers Type Gl, G2 or G3.
Insulation: Firestone Building Products "Iso-95+GL ", Atlas Roofing " Membrane: One or more layers of "Ruberoid Torch" (smooth or
ACFoam II ", any thickness. granule), "Ruberoid Torch Plus" (granule) "Ruberoid Mop" (granule) or
Membrane: "EverGuard FB ", 40-100 mil (TPA). "Ruberoid Mop Plus' (granule).
12. Deck: NC Incline: 1/2 6. Deck: 15/32 Incline: 2 •
Base Sheet: •. Type G3, hot mopped or nailed. Insulation: One or more layers perlite, wood fiber, glass fiber, isocya-
Insulation: _Celotex "Top- R -II ", any thickness. nurate, urethane, perlite / isocyanurate composite, prelite /urethane com-
Membrane: "EverGuard FB ", 40-100 mil (TPA). posite, wood fiber /isocyanurate composite, phenolic, any thickness.
13. Deck: C-15/32 Incline: 1/2 Base Sheet: One or more layers Type G2 or G3, mechanically attached
Insulation (Optional): Polyisocyanurate, glassfiber, perlite, any thick - with above insulation.
ness, mechanically fastened. Membrane: • One layer "Ruberoid Mop FR" or 'Ruberoid Mop 170 FR"
Base Sheet Type 'G2, mechanically fastened or adhered with hot (granule). Adhered in a uniform coating of Karnak Inc. No. 81 or
roofing asphalt. Gibson -Homan No. 6160 -900 applied at 1 -2 gal /sq. •
Ply Sheet (Optional):. One or more plies Type Gl, "Tough Ply IV" or Surfacing. Karnak No. 97 at 3 gal /sq.
"Ultra Ply VI ", adhered with hot roofing asphalt. 7. Deck 15/32 Incline: 2
Membrane: 'Ruberoid Mop FR" or "Ruberoid Mop 170FR" (granule) Base Sheet: One or more layers of Type G2 or G3.
14. Deck: C- 15/32 Incline: 1/2 Ply Sheet: (Optional) One or more layers of Type Gl.
Base Sheet "Ultra Base ", mechanically fastened. Membrane: One or more layers of "Ruberoid Mop FR ". Adhered in a
Membrane: "Ruberoid Mop FR" or "Ruberoid Mop 170FR" (granule). uniform coating of Karnak Inc. No. 81 or Gibson -Homan No. 6160 -900
15. Deck: C -15/32 Incline: 1/2 applied at 1 -2 gal /sq.
Insulation (Optional): One or more layers perlite, glass fiber, isocya- Surfacing Grundy Ind. 20 F emulsion at 3 gal /sq.
nurate, perlite /isocyanurate composite, perlite /urethane composite, 8. Deck: 15/32 Incline: 1
., wood fiber / isocyanurate composite, any thickness. Insulation: One or more layers perlite, wood fiber, glass fiber, isocya-
Base Sheet: One or more layers Type G2, mechanically fastened or hot nurate, urethane, perlite /isocyanurate composite, perlite /urethane com-
mopped. posite, wood fiber / isocyanurate composite, phenolic, any thickness.
Ply Sheet (Optional): One or more layers Type Gl, mechanically Base Sheet: One or more layers of Type G2 or G3.
fastened or hot mopped. Membrane: One or more layers of "Ruberoid Mop FR. Adhered in a
Membrane: One or more layers "Ruberiod Mop" (smooth) adhered uniform coating of Karnak Inc. No. 81 or Gibson -Homan No. 6160 -900
with, and "Ruberoid MB Adhesive ", 2 gal /sq. applied at 1 -2 gal /sq.
Surfacing "Weathercote Low VOC" or "Weathercote ", 2 gal /sq. Surfacing Grundy Ind. 20 F emulsion, 3 gal /sq.
16. Deck: C -15/32 Incline: 1/2. 9. Deck: NC Incline: 1/2
Base Sheet One or more layers "Nailable Base Sheet", mechanically Base Sheet One or more layers Type Gl, G2 or G3.
fastened to the deck, inverted. Membrane: One or more layers "Ruberoid Mop FR. Adhered in a
Base Sheet One layer "Liberty Base Sheet", mechanically fastened. uniform coating of Karnak No. 81 or Gibson - Homans 6160 -900 applied at
Cap Sheet One layer "Liberty Base Sheet", mechanically fastened. 1 -2 gal /sq.
Class C - Fully Adhered 10. Deck: C -15/32 Incline: 1
1. Deck: 15/32 Incline: 2 Insulation (Optional): Polyisocyanurate, wood fiber, perlite, glass fiber
Insulation: One or more layers perlite, wood fiber, glass fiber, isocya- any thickness, hot mopped or mechanically fastened.
nurate, urethane, perlite /isocyanurate composite, prelite /urethane com- Base Sheet: One or.more plies "Ruberoid 20 ", Type G2 "GAFGLAS #75
posite, wood fiber /isocyanurate composite, phenolic, any thickness. or " Ruberoid 20 FR" base sheets, hot mopped or mechanically fastened.
Base Sheet: One or more layers Type G2 or C3. Membrane:-One or more plies "Ruberoid 30" or "Ruberoid Modified
Ply Sheet (Optional): One or more layers Type Gl. Cap Sheet 601 ", hot mopped in place.
Membrane: One or more layers "Ruberoid Torch" (smooth or granule), 11. Deck C -15/32 Incline: 1/2
"Ruberoid Torch Plus" (granule), "Ruberoid Mop" (smooth or granule) Insulation (Optional): Perlite, glass fiber or wood fiber, 2 in. max.
or "Ruberoid Mop Plus" (granule). Base Sheet: Type 15 asphalt organic felt, Type G2 or "Flex Base 60"
Surfacing. Karnak No. 97 at 3 gal /sq. (modified bitumen), mechanically fastened or adhered with hot roofing
2. Deck: 15/32 Incline:2 asphalt.
Base Sheet: One or more layers Type G2 or G3. Membrane: "Ruberoid® Torch 1" (modified bitumen), heat fused.
Ply Sheet (Optional): One or more layers Type Gl. Surfacing Karnak Chemical "Karnak No. 97 Fibrated Aluminum
Membrane: One or more layers "Ruberoid Torch" (smooth or granule) Asphalt Roof Coating ", 1 -1/2 gal /sq.
or "Ruberoid Torch Plus" (granule). 12. Deck: C -15/32 Incline: 2
Surfacing. Grundy Ind. "20 F Emulsion" at 3 gal /sq. Base Sheet Type G2 (modified bitumen), mechanically fastened or
3. Deck: NC Incline: 1/2 adhered with hot roofing asphalt.
Insulation (Optional): Polyisocyanurate, any thickness, must be cov- Membrane: "Ruberoid® Torch 1" (modified bitumen), heat fused.
ered with minimum 1/2 in. perlite, glass fiber or wood fiber. 13. Deck: C -15/32 Incline: 1
Insulation: One of more layers perlite, glass fiber or wood fiber, any Insulation (Optional): Perlite, fiberboard, high density fiberboard,
thickness. polyisocyanurate, perlite/ polyisocyanurate, fiberboard/
Base Sheet (Optional): One or more layers Type Gl, G2 or G3. polyisocyanurate.
Membrane: One or more layers "Ruberoid Torch" (smooth or granule), Base Sheet One or more plies GAFGLAS #75 Base Sheet, GAFLAS #80
"Ruberoid Torch Plus" (granule), "Ruberoid Mop" (granule) or Premium Base Sheet, "GAF Stratavent Eliminator Venting Base Sheet
"Ruberoid Mop Plus" (granule). (Nailable) ", Ruberoid Modified Base Sheet, Ruberoid 20.
LOOK FOR THE UL MARK ON PRODUCT
W
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Fiskars, Inc
14200 S.W. 72nd Ave.
Portland, OR
117'
25'
40'
High Bay 90, 90'
Extrusion
153' SW NW
128' 128'
77'
15' - 3- course at 90' 90'
reglet & recaulk
SE NE
128.'/ drain 128'
ro
`163' 30'
23'
20'
VP of Sales office
August 2002