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Wood Strong-Wall® Shearwalls:
Raised-Floor Walls

Raised-floor (-RF) walls are designed and tested for installation on top of raised wood floor systems. All second-story applications must use the raised-floor models. Raised-floor walls are compatible with both solid-sawn lumber and I-joist floor systems. Simpson Strong-Tie® Strong-Drive® SDS Heavy-Duty Connector screws pre-installed in both the top and bottom of the wall allow for fast installation to the top plate and floor framing elements.

Raised-floor walls are code listed for use on the second floor of wood light-frame construction. Simpson Strong-Tie recommends the Simpson Strong-Tie® Takeup Device, (SW-TUD1KT), be used at the 2nd floor to compensate for wood shrinkage and settlement due to dead load.

First-story walls of a two-story application may be either standard or raised-floor walls.

See installation information.


 

RAISED-FLOOR WALL:
First-Story Application
Foundation Design
(size and reinforcement) by Designer


U.S. Patents 5,706,626; 6,006,487;
6,109,850; 6,327,831; and 6,643,986
RAISED-FLOOR WALL:
Top Wall of Two-Story Stacked Installation

STANDARD WALL: Bottom Wall of Two-Story Stacked Installation


Model
No.
W
(in.)
H
(in.)
T
(in.)
Number of
Fasteners in
Top of Wall
Number of
Fasteners in
Bottom of Wall
Holdown
Anchor Bolts
(1st Story) 1
Holdown
Anchor Rods
(2nd Story) 2
Qty. Model 3,4 Qty. Dia.
SW18x8-RF 18 93 1/4 3 1/2 9-SDS 1/4"x6" 13-SDS 1/4"x6" 2 PAB7 2 7/8"
SW24x8-RF 24 93 1/4 3 1/2 12-SDS 1/4"x6" 16-SDS 1/4"x6" 2 PAB7 2 7/8"
SW32x8-RF 32 93 1/4 3 1/2 16-SDS 1/4"x6" 20-SDS 1/4"x6" 2 PAB7 2 7/8"
SW48x8-RF 48 93 1/4 3 1/2 24-SDS 1/4"x6" 28-SDS 1/4"x6" 2 PAB7 2 7/8"
SW18x9-RF 18 105 1/4 3 1/2 9-SDS 1/4"x6" 13-SDS 1/4"x6" 2 PAB7 2 7/8"
SW24x9-RF 24 105 1/4 3 1/2 12-SDS 1/4"x6" 16-SDS 1/4"x6" 2 PAB7 2 7/8"
SW32x9-RF 32 105 1/4 3 1/2 16-SDS 1/4"x6" 20-SDS 1/4"x6" 2 PAB7 2 7/8"
SW48x9-RF 48 105 1/4 3 1/2 24-SDS 1/4"x6" 28-SDS 1/4"x6" 2 PAB7 2 7/8"
SW24x10-RF 24 117 1/4 3 1/2 12-SDS 1/4"x6" 16-SDS 1/4"x6" 2 PAB7 2 7/8"
SW32x10-RF 32 117 1/4 3 1/2 16-SDS 1/4"x6" 20-SDS 1/4"x6" 2 PAB7 2 7/8"
SW48x10-RF 48 117 1/4 3 1/2 24-SDS 1/4"x6" 28-SDS 1/4"x6" 2 PAB7 2 7/8"
  1. High-strength 7/8" diameter anchorage may be required for two-story applications when anchor tension force exceeds 13,000 lbs.
  2. All-thread rod not supplied with raised-floor walls. Minimum ASTM A307 or ASTM F1554, Grade 36 required. Designer must specify if high-strength all-thread rod is required, depending on load.
  3. PAB7 available in multiple lengths. See anchor bolt information and anchorage solutions.
  4. SSTB28 anchor bolts may be specified when the anchor tension force does not exceed allowable anchor tension. See SSTB anchor bolt information and anchorage solutions.

Naming Legend:







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