Turning Air Into Solutions.
Canted
Self-Flashing Vented
(Restaurant)
Self-Flashing
Fiberglass Roof Curb
Curb Adapter
PREFABRICATED ROOF CURBS
CATALOG 4910
December 2013
CantedRoofCurb
Series RCPF
Features
11/2" Wood Nailer
A SQ.
11/2" Fiberglass
Insulation (Standard)
Curb
Height
4"
Damper Shelf
(Standard)
Backdraft Damper
(Optional)
Options
A + 8"
NOTES:
1. Curbs are sized 11⁄2" less than fan base to allow 3⁄4" each side
for flashing material and clearance.
2. Inside of curb is 3" less than Dimension “A”.
3. For aluminum curb substitute RCPFAI in place of RCPFGI.
4. When using a motor operated damper in the curb, a 12"‑high
(minimum) curb is required.
MODEL
BCRFS
BCRD &
BCRD-E
(thru size 240)
BCRU
DCRD
DCRU
GRV
FAN
SIZE
090
100
120, 150
180
200
220
70, 75, 85
100, 120
140
160
180, 210
240
300
360
420
480
110, 120
140, 160
180
210, 240
300
360
420
480
60 - 100
120
130, 140
150, 160
170, 180
71 - 83
91 - 93
110, 120
140, 160
180
90
120, 160
180, 210
240, 270
300,320,360
420
480
• Constructed of 18-gauge galvanized steel with
continuous welded seams
• Large 3" built-in 45° cant to accommodate roofing
material to top of curb. Cant is beveled at corners
for better support of roofing material
• Wood nailer (11∕2") secured to top ledge
• Lined with 11∕2" fiberglass fire-resistant, soundabsorbing insulation
• Damper shelf
• Aluminum (16-gauge) construction
• Burglar security bars
• Metal liner (galvanized or aluminum)
• Special heights up to 24"
BASE I.D.
24 x 24
30 x 30
34 x 34
40 x 40
46 x 46
54 x 54
17 x 17
20 x 20
24 x 24
26 x 26
30 x 30
34 x 34
40 x 40
46 x 46
52 x 52
58 x 58
ROOF CURB
DIM. A (SQ)
22.5 x 22.5
28.5 x 28.5
32.5 x 32.5
38.5 x 38.5
44.5 x 44.5
52.5 x 52.5
15.5 x 15.5
18.5 x 18.5
22.5 x 22.5
24.5 x 24.5
28.5 x 28.5
32.5 x 32.5
38.5 x 38.5
44.5 x 44.5
50.5 x 50.5
56.5 x 56.5
8” HIGH CURB
RC22508PFGI
RC28508PFGI
RC32508PFGI
RC38508PFGI
RC44508PFGI
RC52508SFGI
RC15508PFGI
RC18508PFGI
RC22508PFGI
RC24508PFGI
RC28508PFGI
RC32508PFGI
RC38508PFGI
RC44508PFGI
RC50508PFGI
RC56508PFGI
PART NUMBER
12” HIGH CURB
RC22512PFGI
RC28512PFGI
RC32512PFGI
RC38512PFGI
RC44512PFGI
RC52512SFGI
RC15512PFGI
RC18512PFGI
RC22512PFGI
RC24512PFGI
RC28512PFGI
RC32512PFGI
RC38512PFGI
RC44512PFGI
RC50512PFGI
RC56512PFGI
18” HIGH CURB
RC22518PFGI
RC28518PFGI
RC32518PFGI
RC38518PFGI
RC44518PFGI
RC52518SFGI
RC15518PFGI
RC18518PFGI
RC22518PFGI
RC24518PFGI
RC28518PFGI
RC32518PFGI
RC38518PFGI
RC44518PFGI
RC50518PFGI
RC56518PFGI
24 x 24
22.5 x 22.5
RC22508PFGI
RC22512PFGI
RC22518PFGI
30
34
40
46
52
58
17
20
28.5
32.5
38.5
44.5
50.5
56.5
15.5
18.5
28.5
32.5
38.5
44.5
50.5
56.5
15.5
18.5
RC28508PFGI
RC32508PFGI
RC38508PFGI
RC44508PFGI
RC50508PFGI
RC56508PFGI
RC15508PFGI
RC18508PFGI
RC28512PFGI
RC32512PFGI
RC38512PFGI
RC44512PFGI
RC50512PFGI
RC56512PFGI
RC15512PFGI
RC18512PFGI
RC28518PFGI
RC32518PFGI
RC38518PFGI
RC44518PFGI
RC50518PFGI
RC56518PFGI
RC15518PFGI
RC18518PFGI
24 x 24
22.5 x 22.5
RC22508PFGI
RC22512PFGI
RC22518PFGI
30 x 30
17 x 17
20 x 20
28.5 x 28.5
15.5 x 15.5
18.5 x 18.5
RC28508PFGI
RC15508PFGI
RC18508PFGI
RC28512PFGI
RC15512PFGI
RC18512PFGI
RC28518PFGI
RC15518PFGI
RC18518PFGI
24 x 24
22.5 x 22.5
RC22508PFGI
RC22512PFGI
RC22518PFGI
28.5
15
22.5
28
34
41
50.5
56.5
RC28508PFGI
RC15008PFGI
RC22508PFGI
RC28008PFGI
RC34008PFGI
RC41008PFGI
RC50508PFGI
RC56508PFGI
RC28512PFGI
RC15012PFGI
RC22512PFGI
RC28012PFGI
RC34012PFGI
RC41012PFGI
RC50512PFGI
RC56512PFGI
RC28518PFGI
RC15018PFGI
RC22518PFGI
RC28018PFGI
RC34018PFGI
RC41018PFGI
RC50518PFGI
RC56518PFGI
30
16.5
24
29.5
35.5
42.5
52
58
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
30
34
40
46
52
58
17
20
30
16.5
24
29.5
35.5
42.5
52
58
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
28.5
15
22.5
28
34
41
50.5
56.5
DIMENSIONS ARE NOT TO BE USED FOR CONSTRUCTION.
2
Twin City Fan Catalog 4910
Self-FlashingRoofCurb
Series RCSF
Features
• Constructed of 18-gauge galvanized steel with
continuous welded seams
• Wide base plate (flashing) to insure watertight bond
to roof
• Top ledge covered with 3∕16" polystyrene gasket
for weather seal and to reduce metal-to-metal
conducted noise
• Lined with 11∕2" fiberglass fire-resistant, soundabsorbing insulation
• Damper shelf
3/16"
11/2" Fiberglass
Insulation (Standard)
2"
Damper Shelf
(Standard)
• Aluminum (16-gauge) construction
• Burglar security bars
• Metal liner (galvanized or aluminum)
• Special heights up to 24"
• Wood nailer (11∕2") secured to top ledge in lieu of
polystyrene gasket
• Single or double pitched curbs for sloping roofs
BCRFS
BCRD &
BCRD-E
(thru size 240)
BCRU
DCRD
DCRU
GRV
Curb
Height
Backdraft Damper
(Optional)
A + 4"
Options
MODEL
Polystyrene Gasket
A SQ.
FAN
SIZE
090
100
120, 150
180
200
220
70, 75, 85
100, 120
140
160
180, 210
240
300
360
420
480
110, 120
140, 160
180
210, 240
300
360
420
480
60 - 100
120
130, 140
150, 160
170, 180
71 - 83
91 - 93
110, 120
140, 160
180
90
120, 160
180, 210
240, 270
300,320,360
420
480
NOTES:
1. Curbs are sized 1⁄2" less than fan base to allow 1⁄4" each side
for clearance.
2. Inside of curb is 3" less than Dimension “A”.
3. For aluminum curb substitute RCSFAI in place of RCSFGI.
4. When using a motor operated damper in the curb, a 12"‑high
(minimum) curb is required.
BASE I.D.
24 x 24
30 x 30
34 x 34
40 x 40
46 x 46
54 x 54
17 x 17
20 x 20
24 x 24
26 x 26
30 x 30
34 x 34
40 x 40
46 x 46
52 x 52
58 x 58
ROOF CURB
DIM. A (SQ)
23 x 23
29 x 29
33 x 33
39 x 39
45 x 45
53 x 53
16.5 x 16.5
19.5 x 19.5
23.5 x 23.5
25.5 x 25.5
29.5 x 29.5
33.5 x 33.5
39.5 x 39.5
45.5 x 45.5
51.5 x 51.5
57.5 x 57.5
8” HIGH CURB
RC23008SFGI
RC29008SFGI
RC33008SFGI
RC39008SFGI
RC45008SFGI
RC53008SFGI
RC16508SFGI
RC19508SFGI
RC23508SFGI
RC25508SFGI
RC29508SFGI
RC33508SFGI
RC39508SFGI
RC45508SFGI
RC51508SFGI
RC57508SFGI
PART NUMBER
12” HIGH CURB
RC23012SFGI
RC29012SFGI
RC33012SFGI
RC39012SFGI
RC45012SFGI
RC53012SFGI
RC16512SFGI
RC19512SFGI
RC23512SFGI
RC25512SFGI
RC29512SFGI
RC33512SFGI
RC39512SFGI
RC45512SFGI
RC51512SFGI
RC57512SFGI
18” HIGH CURB
RC23018SFGI
RC29018SFGI
RC33018SFGI
RC39018SFGI
RC45018SFGI
RC53018SFGI
RC16518SFGI
RC19518SFGI
RC23518SFGI
RC25518SFGI
RC29518SFGI
RC33518SFGI
RC39518SFGI
RC45518SFGI
RC51518SFGI
RC57518SFGI
24 x 24
23.5 x 23.5
RC23508SFGI
RC23512SFGI
RC23518SFGI
30
34
40
46
52
58
17
20
29.5
33.5
39.5
45.5
51.5
57.5
16.5
19.5
29.5
33.5
39.5
45.5
51.5
57.5
16.5
19.5
RC29508SFGI
RC33508SFGI
RC39508SFGI
RC45508SFGI
RC51508SFGI
RC57508SFGI
RC16508SFGI
RC19508SFGI
RC29512SFGI
RC33512SFGI
RC39512SFGI
RC45512SFGI
RC51512SFGI
RC57512SFGI
RC16512SFGI
RC19512SFGI
RC29518SFGI
RC33518SFGI
RC39518SFGI
RC45518SFGI
RC51518SFGI
RC57518SFGI
RC16518SFGI
RC19518SFGI
24 x 24
23.5 x 23.5
RC23508SFGI
RC23512SFGI
RC23518SFGI
30 x 30
17 x 17
20 x 20
29.5 x 29.5
16.5 x 16.5
19.5 x 19.5
RC29508SFGI
RC16508SFGI
RC19508SFGI
RC29512SFGI
RC16512SFGI
RC19512SFGI
RC29518SFGI
RC16518SFGI
RC19518SFGI
24 x 24
23.5 x 23.5
RC23508SFGI
RC23512SFGI
RC23518SFGI
29.5
16
23.5
29
35
42
51.5
57.5
RC29508SFGI
RC16008SFGI
RC23508SFGI
RC29008SFGI
RC35008SFGI
RC42008SFGI
RC51508SFGI
RC57508SFGI
RC29512SFGI
RC16012SFGI
RC23512SFGI
RC29012SFGI
RC35012SFGI
RC42012SFGI
RC51512SFGI
RC57512SFGI
RC29518SFGI
RC16018SFGI
RC23518SFGI
RC29018SFGI
RC35018SFGI
RC42018SFGI
RC51518SFGI
RC57518SFGI
30
16.5
24
29.5
35.5
42.5
52
58
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
30
34
40
46
52
58
17
20
30
16.5
24
29.5
35.5
42.5
52
58
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
29.5
16
23.5
29
35
42
51.5
57.5
DIMENSIONS ARE NOT TO BE USED FOR CONSTRUCTION.
www.tcf.com
3
Self-FlashingVentedRoofCurb
Series RCSFV
For Use on Roof Mounted Restaurant Exhaust Fans
Features
• Completely assembled unit, easier to install and
less expensive than a field constructed curb
• Constructed of 18-gauge galvanized steel with
continuous welded seams with wide base flashing
for weathertight seal to roof
• Meets NFPA-96 code requirements
• Top ledge covered with 3∕16" polystyrene gasket
• Furnished with ventilation slots
3
/16" Polystrene Gasket
A SQ.
4" x 1/2"
Vent
Slots
A – 3"
Curb
Height
2"
A + 4"
NOTES:
1. Curbs are sized 11⁄2" less than fan base to allow 3⁄4" clearance on each side for curb hinge (if required).
FAN
SIZE
BASE I.D.
110
120
24 x 24
140
160
180
30 x 30
BCRUR
210
34 x 34
240
300
40 x 40
360
46 x 46
071-073
17 x 17
081-083
091-093 20 x 20
110
DCRUR
120
24 x 24
140
160
180
30 x 30
MODEL
PART NUMBER
ROOF CURB
DIM. A (SQ) 12” HIGH CURB 18” HIGH CURB
22.5 x 22.5
RC22512SFVG
RC22518SFVG
28.5 x 28.5
RC28512SFVG
RC28518SFVG
32.5 x 32.5
RC32512SFVG
RC32518SFVG
38.5 x 38.5
44.5 x 44.5
RC38512SFVG
RC44512SFVG
RC38518SFVG
RC44518SFVG
15.5 x 15.5
RC15512SFVG
RC15518SFVG
18.5 x 18.5
RC18512SFVG
RC18518SFVG
22.5 x 22.5
RC22512SFVG
RC22518SFVG
28.5 x 28.5
RC28512SFVG
RC28518SFVG
DIMENSIONS ARE NOT TO BE USED FOR CONSTRUCTION.
4
Twin City Fan Catalog 4910
SoundAttenuatingRoofCurb
Series RCSA
A special sound-absorbing curb designed for use with power
roof ventilators where exceptionally quiet operation is required.
Features
• Reduces the roof fan noise transmitted into building. Typical performance of sound attenuating curb
will result in a 40% reduction of sone value with
a 7% loss in CFM
• Designed with streamlined airflow passages using
a core of modular type sound-absorbing cells of
special fiberglass held in a galvanized steel frame
• Constructed of 18-gauge galvanized steel with
continuous welded seams
• Large 3" built-in 45° cant to accommodate roofing
material to top of curb
• Wood nailer (11∕2") secured to top ledge
• Lined with 11∕2" fiberglass fire-resistant, soundabsorbing insulation
• Damper box
Sound-Absorbing
Cells
11/2" Wood Nailer
A
SQ.
4"
16" H.
8"
Damper Box
(Standard)
Backdraft Damper
(Optional)
11/2" Fiberglass
Insulation (Standard)
A + 8"
NOTES:
1. Curbs are sized 11⁄2" less than fan base to allow 3⁄4" each
side for flashing material and clearance.
2. For aluminum curb substitute RCSAAI in place of
RCSAGI.
Options
• Aluminum (16-gauge) construction
• Also available in self-flashing or raised cant design
Sound Curb Pressure Loss
MODEL
BCRD
BCRD-E
BCRU
DCRD
DCRU
FAN
SIZE
70, 75, 85
100, 120
140
160
180, 210
240
300
360
420
480
70, 75, 85
100, 120
140
160
180, 210
240
110, 120
140, 160
180
210, 240
300
360
420
480
60 - 100
120
130, 140
150, 160
170, 180
71 - 83
91 - 93
110, 120
140, 160
180
BASE I.D.
17 x 17
20 x 20
24 x 24
26 x 26
30 x 30
34 x 34
40 x 40
46 x 46
52 x 52
58 x 58
17 x 17
20 x 20
24 x 24
26 x 26
30 x 30
34 x 34
ROOF CURB
DIM. A (SQ)
15.5 x 15.5
18.5 x 18.5
22.5 x 22.5
24.5 x 24.5
28.5 x 28.5
32.5 x 32.5
38.5 x 38.5
44.5 x 44.5
50.5 x 50.5
56.5 x 56.5
15.5 x 15.5
18.5 x 18.5
22.5 x 22.5
24.5 x 24.5
28.5 x 28.5
32.5 x 32.5
PART NUMBER
16” HIGH CURB
RC15516SAGI
RC18516SAGI
RC22516SAGI
RC24516SAGI
RC28516SAGI
RC32516SAGI
RC38516SAGI
RC44516SAGI
RC50516SAGI
RC56516SAGI
RC15516SAGI
RC18516SAGI
RC22516SAGI
RC24516SAGI
RC28516SAGI
RC32516SAGI
24 x 24
22.5 x 22.5
RC22516SAGI
30
34
40
46
52
58
17
20
28.5
32.5
38.5
44.5
50.5
56.5
15.5
18.5
RC28516SAGI
RC32516SAGI
RC38516SAGI
RC44516SAGI
RC50516SAGI
RC56516SAGI
RC15516SAGI
RC18516SAGI
x
x
x
x
x
x
x
x
30
34
40
46
52
58
17
20
x
x
x
x
x
x
x
x
28.5
32.5
38.5
44.5
50.5
56.5
15.5
18.5
24 x 24
22.5 x 22.5
RC22516SAGI
30 x 30
17 x 17
20 x 20
28.5 x 28.5
15.5 x 15.5
18.5 x 18.5
RC28516SAGI
RC15516SAGI
RC18516SAGI
24 x 24
22.5 x 22.5
RC22516SAGI
30 x 30
28.5 x 28.5
RC28516SAGI
VELOCITY
FPM*
200
400
600
800
1000
1200
1500
2000
∆P
IN. W.G.
.01
.02
.04
.07
.11
.16
.25
.44
*Velocity through curb inlet.
DIMENSIONS ARE NOT TO BE USED FOR CONSTRUCTION.
www.tcf.com
5
RoofCurbAdapter
Series RCCA
Features
• Constructed of heavy-gauge galvanized steel with continuous welded seams
• Top ledge covered with 3∕16" polystyrene gasket to reduce metal-to-metal
conducted noise and act as a weather seal
Style A
A Outside
3/16"
Polystyrene Gasket
1.50
(For use with
oversize, existing curb)
5.50
Recommended Sizing:
Dimension A =Fan Base (Cap)
Minus 1∕2"
Dimension B =Roof Curb Outside
Dimension Plus 11∕2"
2.50
B Inside
Style B
(For use with
smaller, existing curb)
A Outside
3/16"
Polystyrene Gasket
C
1.50
4.00
Recommended Sizing:
Dimension A =Fan Base (Cap)
Minus 1∕2"
Dimension B =Roof Curb Outside
Dimension Plus 1∕2"
Dimension C =(A – B) ÷ 2
B Inside
Note: Use of a large fan on a smaller, existing curb
may cause an inlet obstruction and result in reduced
fan performance.
DIMENSIONS ARE NOT TO BE USED FOR CONSTRUCTION.
RoofCurbExtension
Series RCCE
Features
• Constructed of 18-gauge galvanized steel with
continuous welded seams for water tightness and
extra strength
• 3∕16" polystyrene gasket on top ledge to reduce
metal-to-metal conducted noise and act as a
weather seal
• Lined with 11∕2" fiberglass fire resistant, sound
absorbing insulation
• Built-in back draft damper shelf and removable
access panel
Options
• Heights up to 24" (13" is standard)
• Vent slots (no insulation or damper shelf)
3/16"
Polystyrene Gasket
A SQ.
Outside
13"
23/4"
Backdraft Damper
(Optional)
B SQ.
Inside
Damper Shelf
(Standard)
Recommended Sizing:
Dimension A =Fan Base Minus 1∕2"
Dimension B =A Minus 1∕4"
6
Twin City Fan Catalog 4910
FiberglassRoofCurbs
Series EF (w/insulation)
Series E
A SQ.
3-1/2"
A SQ.
3-1/2"
Treated Wood Nailer
2"
Treated Wood Nailer
Heavy
Reinforced
Fiberglass
Fiberglass Insulation
11-1/2"
11-1/2"
G SQ.
45
Heavy
Reinforced
Fiberglass
2"
G SQ.
45
Roof
Backdraft Damper
(Optional)
Damper Tray
(Standard)
E12F — A 12" high, beige color, molded fiberglass,
reinforced polyester resin, double shell,
prefabricated roof curb with a 31∕2" cant,
corner gussets, 2" thick fiberglass insulation, and incorporating a treated 11∕2" x 31∕2"
treated wood nailer and damper tray.
FAN / HOOD
MODEL
FA
FAB
WA
WAB
FR
MA
SIZE
7, 9
10, 12, 14
18
12, 14
18
24
30
36, 40
7
10, 12
14
18
14
18
24
30
36, 40
1A, 1B
2A, 2B
3A, 3B
4A, 4B
5A, 5B
6A
6
8
10
12
15
18
20
24
30
34
36
38
42
48
54
60
BASE I.D.
22
26
30
26
30
37
45
53
17
21
24.8
29
24.8
29
37.5
45.5
53
22
26
30
37
45
52.3
15
17
19
21
24.3
27
29
33
39
43
45.5
47.5
51.5
57.5
63.5
69.5
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
22
26
30
26
30
37
45
53
17
21
24.8
29
24.8
29
37.5
45.5
53
22
26
30
37
45
52.3
15
17
19
21
24.3
27
29
33
39
43
45.5
47.5
51.5
57.5
63.5
69.5
NOTE: Damper to have 15⁄8" flange.
ROOF CURB
DIM. A (SQ)
20
24
28
24
28
36
44
52
16
20
24
28
24
28
36
44
52
20
24
28
36
44
52
14
16
18
20
24
26
28
32
38
42
44
46
50
56
62
68
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
20
24
28
24
28
36
44
52
16
20
24
28
24
28
36
44
52
20
24
28
36
44
52
14
16
18
20
24
26
28
32
38
42
44
46
50
56
62
68
Backdraft Damper
(Optional)
Damper Tray
(Standard)
E12 — A 12" high, beige color, molded fiberglass,
reinforced polyester resin, single shell, prefabricated roof curb with a 31∕2" cant, corner
gussets, and incorporating a treated 11∕2" x
31∕2" treated wood nailer and damper tray.
12” HIGH CURB
WITH INSULATION
PART
APPROX. SHIP
NUMBER
WT. (LB)
15025104
38
15025105
46
15025107
53
15025105
46
15025107
53
15025109
68
15025112
82
15025115
99
15025102
31
15025104
38
15025105
46
15025107
53
15025105
46
15025107
53
15025109
68
15025112
82
15025115
99
15025104
38
15025105
46
15025107
53
15025109
68
15025112
82
15025115
99
15025101
28
15025102
31
15025103
34
15025104
38
15025105
46
15025106
49
15025107
53
15025108
60
15025110
72
15025111
76
15025112
82
15025113
86
15025114
92
15025116
108
15025117
119
15025118
130
12” HIGH CURB
NON-INSULATED
PART
APPROX. SHIP
NUMBER
WT. (LB)
15025004
31
15025005
38
15025007
44
15025005
38
15025007
44
15025009
56
15025012
67
15025015
80
15025002
26
15025004
31
15025005
38
15025007
44
15025005
38
15025007
44
15025009
56
15025012
67
15025015
80
15025004
31
15025005
38
15025007
44
15025009
56
15025012
67
15025015
80
15025001
24
15025002
26
15025003
28
15025004
31
15025005
38
15025006
41
15025007
44
15025008
49
15025010
59
15025011
63
15025012
67
15025013
71
15025014
75
15025016
88
15025017
96
15025018
105
G
(SQ)
10.63
14.63
18.63
14.63
18.63
24.63
30.63
36.63
6.63
10.63
14.63
18.63
14.63
18.63
24.63
30.63
36.63
10.63
14.63
18.63
24.63
30.63
36.63
4.63
6.63
8.63
10.63
14.63
16.63
18.63
22.63
28.63
32.63
34.63
36.63
40.63
46.63
52.63
58.63
DAMPER SIZE
WHEN REQ'D
10
14
18
14
18
24
30
36
6
10
14
18
14
18
24
30
36
10
14
18
24
30
36
4
6
8
10
14
16
18
22
28
32
34
36
40
46
52
58
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
10
14
18
14
18
24
30
36
6
10
14
18
14
18
24
30
36
10
14
18
24
30
36
4
6
8
10
14
16
18
22
28
32
34
36
40
46
52
58
Dimensions are not to be used for construction.
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Ltd.
A Twin
Company
1MWG12/13
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