Earthbound SlackJack: a seismic, snow and wind load holdown system for wood framed structures.
Phone: 800-944-5669 | Fax: 360-863-0724
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Posting Calculator Notes: Canadian Use Only!
Calculations based on
CSA 086-01
.
Joist on Wall
calculates member height = Wall Height minus given joist height and minus 4.5 inches for horizontal plates.
Joist Hanging
calculates member height = Wall Height minus 4.5 inches for horizontal plates. Also known as “balloon or platform” framing.
Perpendicular to Grain Compression: DF = 1015 psi, HF = 667 psi, SPF = 769.
Refer to
CSA 086-01
: 5.3.1a.
Load duration factor:
K
D
Stud/Plate
HF on HF
HF on DFL
DFL on DFL
SPF on DFL
HF on SPF
SPF on SPF
Posting Grade
Select Struc.
No. 1 / No. 2
No. 3 / Stud
Joist Condition
Joist on Wall
Joist Hanging
Posting Options
Bridge Posting
Joist Height
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
inches
Floor Height
8
9
10
11
12
13
14
ft.
0
1
2
3
4
5
6
7
8
9
10
11
in.
Load Duration Factor
1.15
1.00
Compression Load
Input load in pounds
Valid load range > 1 and < 88950
Numeric values only!
Comments/Questions
Contact us
here
.
Posting Results
Enter compression load and click 'GO'.
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2012
Earthbound Corp., Domestic & Foreign: Patents & Patents Pending
US Patents: 7,762,030 7,665,258 7,617,642 7,340,867 7,159,366 6,951,078 6,688,058 6,494,654 6,161,350