Simpson Strong-Tie Wood Construction Connectors

Simpson Strong-Tie ® Wood Construction Connectors Coiled Straps CS/CMST/CMSTC/CSHP Coiled straps are continuous utility straps which can be cut to length at the jobsite. The patent-pending CSHP high-performance coil strap features a raised embossment that makes it easy to install with a power framing nailer. This tested feature provides improved performance — resulting in fewer nails, shorter straps and overall lower installed cost. CMSTC provides countersunk nail slots for lower profile when installed with 0.148" x 3 1/4 " sinkers. Finish: Galvanized. Some products available in ZMAX ® coating; see Corrosion Information, pp. 12–15. CS may be ordered in stainless steel (order CS16SS-R). Material: See table Installation: • Use all specified fasteners; see General Notes. • Wood shrinkage after strap installation across horizontal wood members may cause strap to buckle outward. • Refer to the applicable code for minimum nail penetration and minimum wood edge and end distances. • The table shows the maximum allowable loads and the nails required to obtain them. Fewer nails may be used; reduce the allowable load as shown in the table notes or in the Straps and Ties General Notes on pp. 266-267. • For lap slice and alternate nailing information, refer to p. 274. • The cut length of the strap shall be equal to twice the “End Length” noted in the table plus the clear span dimension. • CS/CSHP straps are available in 25' lengths (add -R to model no.). CSHP: • The colored dot must be installed facing out. • Designed to be installed with a power framing nailer using concentric, full round-head nails. CMST: • Use every other round hole if the wood tends to split. • Use round and triangle holes for comparable MST loads, providing wood does not tend to split. Codes: See p. 11 for Code Reference Key Chart

1 ⁄ " typ.

SIMPSON Strong-Tie ®

½" typ.

1 ⅜ "

This Side UP

CSHP18 ESR-2523

CSHP US Patent Pending Colored dots indicate nailing face and strap model. CSHP18: Orange — CSHP20: Black

½ " typ.

1 ∕ " typ.

½ " typ.

2 ∕ " typ.

CS16 Hole Pattern (all other CS straps similar)

∕ " typ.

3 " typ .

CMST14

14 GAUGE

1 ∕ " typ.

3 ∕ " typ.

1 " typ.

1 ∕ " typ.

CMST14 Hole Pattern (CMST12 similar)

/ "

3" 1½"

/ "

3" typ.

CMSTC16 Hole Pattern

Gauge stamped on part for easy identification

Sheathing not shown for clarity

Typical CSHP Installation as a

Straps and Ties

Floor-to-Floor Tie (CS/CMST similar; CMST requires minimum (2) 2x studs)

End length

Cut length

Cut length

Minimum end distance is 10x diameter of nail (typ.)

Strap clear span

End length

End length

Roof sheathing

C-C-2021 ©2021 SIMPSON STRONG-TIE COMPANY INC.

pan

Clear s

Nails not required in clear span

Sub-purlin/stiffener CMST requires 3x or (2) 2x minimum

Hanger

Purlin (Beam or truss typ.)

End length

Provide min. 1 ⅝ " end distance

Equal number of specified nails in each end

Typical Horizontal CS/CMST/CSHP Installation

272