Technical Specifications
213
Deck & Fences
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Deck Tie Back reinforces the connection of rail posts to a deck.
Also provides lateral strength of deck-to-ledger attachment by
securing deck to house framing.
Materials: 14 gau ge
Finish: G-185 galvanizing
Options: See chart for Corrosion Finish Options
Codes: See page 11 for Code Reference Chart
IRC R507.1
Installation:
• Use all specied fasteners. See Product Notes, page 17.
• Install with USP’s THR 1/2" threaded rod or equivalent.
• Drive WS15-GC wood screws into joist.
• Re-install threaded rod or anchor bolt. Secure with washer
and nut.
• Tighten anchor bolt nuts nger tight snug to base plus 1⁄3 to
1⁄2 additional turns with wrench. To prevent loosening of the
anchor nut during critical loading, use a locking nut or tighten
a second nut over the rst to lock nuts in place.
DTB-TZ
SDPT7-TZ
Typical DTB-TZ
Deck to ledger
installation
SDPT5-TZ
DTB-TZ Deck Tie Back
Deck & Fences
Typical DTB-TZ
installation
Typical SDPT7-TZ
installation
Ref. No. W L D CL Qty 100% 160% 100% 160%
DTB-TZ
DTT2Z,
FSC
14 1-13/16 6 2-1/4 1-1/8 1/2 8 WS15-GC 1835 1835 0.119 1510 1510
30, F31,
R16
1
)
WS15-GC Wood Screws are 1/4" dia. x 1-1/2" lon
g
and are included with DTB-TZ Deck Tie-Backs.
2
)
Deflections are derived from static, monotonic load tests of devices connected to DF wood members with s
p
ecified fasteners.
New
p
roducts or u
p
dated
p
roduct information are desi
g
nated in blue font.
Code
Ref.
USP
Stock No.
Rod /
Bolt
Anchor
Dia.
DF/SP
Allowable Tension (Lbs.)
S-P-F
Allowable Tension (Lbs.)
Δ (in)
at 160%
2
Wood
Screws
Fastener
Schedule
1
Dimensions (in)
Corrosion
Finish
Steel
Gauge
SDPT Deck Post Ties
Connects 2 x 4 stair posts and 4 x 4 posts to deck rim joist
or stair stringers.
Materials: 14 gauge
Finish: G-185 galvanizing
Codes: See page 11 for Code Reference Chart
Installation:
• Use all specied fasteners. See Product Notes, page 17.
• Install units in pairs on 2x4 (SDPT5-TZ) or 4x4 (SDPT7-TZ)
post. Space the connectors 5" apart from center to center
on the post. Use through bolts to fasten connectors to rim
joist or stringer. Do not use lag bolts. Fasten to post with
specied nails (see chart).
Ref. No. Qty Type Qty Dia.
2 x 4 SDPT5-TZ DPT5Z 14 5 10d x 1-1/2 HDG 2 3/8 HDG
4 x 4 SDPT7-TZ DPT7Z 14 5 10d x 1-1/2 HDG 2 3/8 HDG
1) Bolts shall conform to ASTM A 307 or better.
2)
NAILS:
10d x 1-1/2" nails are 0.148" dia. x 1-1/2" long.
Corrosion
Finish
Fastener Schedule
Code
Ref.
120
Post
Size
USP
Stock No.
Steel
Gauge
Nails
2
Bolts
1
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
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
6"
1-13/16"
CL
2-1/4"
1-1/2"
1-1/2"
3-1/2"
3-1/2"
3-1/2"
3-1/2"