Technical Specifications

60
Holdowns
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LSTAD / STAD Foundation Straps
Min
Stemwall
Thickness
Ref. No. Qty Type W L
I
E
D CS
(in)
Concrete
10,11
SDC A & B SDC C-F
Uncracked
2470 2470 2120
Cracked
2075
2075 1780
Uncracked
4035
4035 3145
Cracked
3460
3460 2965
Uncracked
2470 2470 2120
Cracked
2075
2075 1780
Uncracked
4035
4035 3145
Cracked
3460
3460 2965
Uncracked
3265
3265 2800
Cracked
2645
2645 2265
Uncracked
5595
5595 4360
Cracked
4665
4665 4000
Uncracked
3265
3265 2800
Cracked
2645
2645 2265
Uncracked
5595
5595 4360
Cracked
4665
4665 4000
Uncracked
5035
5035 4030
Cracked
5035
5035 4030
Uncracked
5580
5580 4345
Cracked
5580
5580 4345
Uncracked
5035
5035 4030
Cracked
5035
5035 4030
Uncracked
5580
5580 4345
Cracked
5580
5580 4345
1
)
Predrilled holes are not re
q
uired.
2
)
Wood thickness shall be no less than 3-inches
(
2 - 2x members
)
3
)
Corner stra
p
location im
p
lies that the distance from the corner of the wall to the ed
g
e of the stra
p
is no less than 1/2".
4
)
Middle stra
p
location im
p
lies that the minimum distance from the corner of the wall to the centerline of the stra
p
is no less than 1.5 times the embedment de
p
th.
5) For edge distances between 1/2" and 1.5 x l
E
calculate loads using straight line interpolation.
6) Minimum anchor spacing for full capacity is 2 x l
E
. For spacing less than that reduce capacity proportionally.
7
)
The allowable loads are based on lumber with a s
p
ecific
g
ravit
y
of 0.50 and a moisture content of 19% or less.
8
)
Deformation based on wood connection stren
g
th.
9
)
The lesser of the allowable load based on anchora
g
e to concrete or wood connection stren
g
th must be selected..
10
)
Minimum concrete stren
g
th f'c = 2500
p
si
11
)
Minimum 1-#4 rebar shall be installed in the shear cone
12
)
NAILS: 16d sinkers are 0.148˝ dia. x 3-1/4˝ lon
g
. 10d common
(
0.148" dia. x 3" lon
g)
nails ma
y
be substituted with no load reduction.
New
p
roducts or u
p
dated
p
roduct information are desi
g
nated in blue font.
Code
Ref.
13,
F33
6
Corner
3
Middle
4,5
7220
7220
7220
7220
0.139
5960
0.123
0.123
0.123
0.123
0.139
Seismic
5,6,7
0.138
6
Corner
3
Middle
4,5
Corner
3
Deflection
at Allowable
Load Based
on Wood
Connection
Strength
(in)
10
USP
Stock No. Ga.
STAD8 12 24
16d
Sinker
3 21-5/8 10 STAD10 12 28
16d
Sinker
3 21-5/8 8
STAD8RJ 83 35-1/8
Fastener
Concrete Connection Strength
10
5105
STAD10RJ STHD10RJ 12 28
16d
Sinker
3 36 10 5
STAD14
16d
Sinker
3 39-5/8 14 STAD14RJ STHD14RJ 12 38
12 38
16d
Sinker
STHD14 3 32-1/8 14
0.138
0.138
0.138
6
Corner
3
Middle
4,5
5105
5105
5960
5960
5960
6
6
Middle
4,5
0.139
0.139
-- --
STHD10
-- -- 12 24
16d
Sinker
Schedule
1,12
5
5
5
1-5/8
16-1/8
4-5/8
12-1/8
Wood
Connection
Strength
CD = 1.6
Allowable Tension Loads (Lbs.)
9
Strap
Location
Corner
3
Middle
4,5
Corner
3
Middle
4,5
5105
WInd
5,6,7
6
Dimensions (in)
4-5/8
18-1/8
5
5
TA Foundation Straps
Foundation Straps offer an economical, one-piece method of achieving a
continuous load path from a 2 x 8, 2 x 10, 2 x 12, or 2 x 14 rim joist through
concrete block to foundation. All models require a 6" embedment into
concrete footings.
Materials: 12 gauge
Finish: G90 galvanizing
Options: See chart for Corrosion Finish Options
Codes: See page 11 for Code Reference Key Chart
Typical TA stud to
foundation installation
Continued on next page
6" min.
Double
2 x 10 rim
joist
Holdowns