Trus Joist Framers Handbook.pdf
Trus Joist Framers Handbook.pdf
Trus Joist Framers Handbook.pdf
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2 rows 8d (2 1 ⁄2")<br />
box nails at<br />
8" on-center<br />
4'-0"<br />
minimum<br />
2x4 one side. Use 2x4<br />
both sides if joist<br />
spacing is greater than<br />
24" on-center.<br />
1 1 ⁄2"<br />
4'-0"<br />
minimum<br />
2x4 one side.<br />
Use 2x6 if joist<br />
spacing is<br />
greater than<br />
24" on-center.<br />
10d (3") box nails at<br />
8" on-center<br />
2'-0"<br />
maximum<br />
Beveled 2x4<br />
block with<br />
beveled web<br />
stiffener on<br />
opposite side<br />
of web<br />
2'-0"<br />
maximum<br />
Beveled web stiffeners<br />
on both sides<br />
Beveled 2x4 block<br />
R8<br />
Birdsmouth cut allowed at low end of joist only<br />
R9<br />
Birdsmouth cut allowed at low end of joist only<br />
2 rows 8d (2 1 ⁄2")<br />
box nails at<br />
8" on-center<br />
4'-0"<br />
minimum<br />
2x4 one side. Use 2x4<br />
both sides if joist<br />
spacing is greater<br />
than 24" on-center<br />
1 1 ⁄2"<br />
LSTA18 (Simpson or USP)<br />
strap with twelve<br />
10d x 1 1 ⁄2" nails<br />
Additional blocking may be<br />
required for shear transfer<br />
Filler<br />
2'-0"<br />
maximum<br />
Beveled<br />
2x4 block<br />
Beveled bearing plate<br />
required when slope<br />
exceeds 1 ⁄4" in 12"<br />
Double beveled bearing<br />
plate when slope exceeds<br />
1⁄4" in 12"<br />
Strap nails:<br />
Leave 2 3 ⁄8"<br />
minimum<br />
end distance,<br />
typical<br />
R10<br />
R14
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