Spacing Requirements

 


source

 

 

Nail Spacing

NDS section 11.1.5.6

no specific requirements for diameters less than 1/4-in.

 

commentary

edge distance   -   measured ⊥ to grain
end distance   -   measured // to grain
row   -   // to grain
row spacing   -   measured ⊥ to grain

 

no guidelines

  1. center-to-center spacing when loading is at angle to grain
  2. end distance when loads are ⊥ to grain
  3. angled cuts

engineering judgment

 

 

Pre-Drilling


source

 

NDS section 11.1.5.3

Z' and W' apply to predrilled or not predrilled