Use and Care Manual

88
Copyright © 2020 MiTek Industries, Inc. All Rights Reserved
Caps & Bases
Caps & Bases
MiTek
®
Product Catalog
KCB Column Bases
Provides high structural capacity and installs with bolts providing
an architectural appearance.
Materials: See chart
Finish: KCB (5/8" bolt models) – G90 galvanizing;
KCB (3/4" bolt models) – Primer
Options: KCB models available in rough/full size.
See chart for Corrosion Finish Options
Codes: IRC R407.3, IBC 2304.10.7
Installation:
• Use all specied fasteners. See Product Notes, page 18.
• Not recommended for fence posts or other unrestrained
(not xed or fastened at top) applications. These bases
are not designed to resist overturning (moment) loads.
• Maintain 3" minimum edge distance between post and
edge of concrete.
• KCB column bases feature diamond holes for temporary nail
fastening to facilitate drilling and bolting.
• Embed column base with bottom of base plate ush to concrete.
Ref. No. Strap Base W1 W2 H L Qty Type
4 x 4 KCB44 CB44 7 7 3-9/16 3-9/16 8-7/8 2 2 5/8 5525 5100 4165 3570
4 x 6 KCB46 CB46 7 7 3-9/16 5-1/2 8-7/8 2 2 5/8 5525 5100 4165 3570
4 x 8 KCB48 CB48 7 7 3-9/16 7-1/2 8-7/8 2 2 5/8 5525 5100 4165 3570
6 x 4 KCB64 CB64 7 7 5-1/2 3-1/2 8-7/8 3 2 5/8 6700 6465 5280 4525
6 x 6 KCB66 CB66 7 7 5-1/2 5-1/2 8-7/8 3 2 5/8 6700 6465 5280 4525
6 x 8 KCB68 CB68 7 7 5-1/2 7-1/2 8-7/8 3 2 5/8 6700 6465 5280 4525
6 x 10 KCB610 CB610 7 7 5-1/2 9-1/2 8-7/8 3 2 5/8 6700 6465 5280 4525
7 x 3-1/2 KCB74 CB7-1/8-4 3 7 7-1/8 3-1/2 9-3/4 3 2 3/4 6700 6465 5280 4525
7 x 5-1/2 KCB76 CB7-1/8-6 3 7 7-1/8 5-1/2 9-3/4 3 2 3/4 6700 6465 5280 4525
7 x 7 KCB77 CB7-1/8-7 3 7 7-1/8 7-1/8 9-3/4 3 2 3/4 6700 6465 5280 4525
8 x 6 KCB86 CB86 3 7 7-1/2 5-1/2 9-3/4 3 2 3/4 6700 6465 5280 4525
8 x 8 KCB88 CB88 3 7 7-1/2 7-1/2 9-3/4 3 2 3/4 6700 6465 5280 4525
10 x 10 KCB1010 CB1010 3 7 9-1/2 9-1/2 9-3/4 3 2 3/4 6700 6465 5280 4525
10 x 12 KCB1012 CB1012 3 7 9-1/2 11-1/2 9-3/4 3 2 3/4 6700 6465 5280 4525
12 x 12 KCB1212 CB1212 3 7 11-1/2 11-1/2 9-3/4 3 2 3/4 6700 6465 5280 4525
5-1/8
glulam
KCB5
CB5-4.5,
CB5-6
3 7 5-1/4 specify 9-3/4 3 2 3/4 6700 6465 5280 4525
6-3/4
glulam
KCB7
CB7-6, CB7-7.5,
CB7-9, CB7-10.5
3 7 6-7/8 specify 9-3/4 3 2 3/4 6700 6465 5280 4525
8-3/4
glulam
KCB9
CB9-6, CB9-7.5,
CB9-9, CB9-10.5
3 7 8-7/8 specify 9-3/4 3 2 3/4 6700 6465 5280 4525
1
)
U
p
lift Loads have been increased 60% for wind and seismic loads, no further increase shall be
p
ermitted.
2
)
All bolts shall meet or exceed the s
p
ecifications of ASTM A 307.
3
)
Concrete com
p
ressive stren
g
th shall be 2,500
p
si or
g
reater at 28 da
y
s.
ASCE Seismic
Design A & B
ASCE Seismic
Design C-F
ASCE Seismic
Design C-F
Dimensions (in)
--
Column
Size
Bolts
Uncracked Concrete Cracked Concrete
Fastener
Schedule
2
DF/SP Allowable Loads (Lbs.)
3
Code
Ref.
Glulam Sizes
MiTek
Stock No.
--
Steel
Gauge
Corrosion Finish
Uplift 160%
1
Uplift 160%
1
ASCE Seismic
Design A & B
Typical KCB installation
KCB
Corrosion Finish
Stainless Steel Gold Coat
HDG Triple Zinc
Corrosion Finish
Stainless Steel Gold Coat HDG Triple Zinc
Corrosion
Finish
Stainless Steel
Gold Coat
HDG
Triple Zinc
W2
L
W1
8"
3"
H
3" min.
edge
distance
Uplift