Use and Care Manual

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100

Caps & Bases

MiTek

Product Catalog

The CPB is made of corrosion resistant composite material compatible

with preservative treated lumber. Provides code required 1" stand-off

and can be used with rough lumber sizes.

Materials: High Strength composite

Codes: IRC R317.1.4, IBC 2304.12.2.2, IRC R407.3, IBC 2304.10.7

Installation:

• Attach base to post with (4) 10d HDG nails.

• Attach post to concrete using 1/2" diameter rod into concrete

and extend into wood member.

• Not recommended for fence posts or other unrestrained (not

xed or fastened at top) applications. These anchors are not

designed to resist overturning (moment) loads.

Typical CPB

installation

CPB

CPB Composite Post Bases

Ref. No. W1 W2 Qty Type

4 x 4 CPB44 CPS4 3-1/4 3-1/4 2.2 4 10d HDG 5235 6545

4 x 6 CPB46 CPS46 3-5/16 5-5/16 3.3 4 10d HDG 6810 9820

5 x 5 CPB55 CPS5 4-1/8 4-1/8 3.0 4 10d HDG 6295 8925

6 x 6 CPB66 CPS6 5-5/16 5-5/16 3.9 4 10d HDG 8570 11600

8 x 8 CPB88 CPS7 7-1/4 7-1/4 6.4 4 10d HDG 12490 19040

1) Loads shall not be increased for short-term loading.

2) Loads require a minimum 650 psi wood compressive strength.

3) Concrete Design Bearing Strength = Ø (0.85 f'

) with f'

= 2,500 psi. ACI 318-14, Section 22.8.3.

4) Design Bearing Strength has been increased assuming (A

/ A

)

0.5

per ACI 318-14, Section 22.8.3.

NAILS:

10d nails are 0.148" dia. x 3" long.

Post

Size

Code

Ref.

Concrete

Design

Bearing

Strength

3,4

Bottom

Surface

Bearing

Area

MiTek USP

Stock No.

Post Base

Allowable

Capacity

1,2

Fastener

Schedule

Dimensions (in)