The separation your joists can securely cantilever or shade a drop shaft is dictated by the extent of the joists, the wood sort and grade of the timber and the separating between joists. Numerous building divisions limit joist cantilevers to 24" maximums. You must utilization no less than 5 surrounding nails to connect the edge joist to the closures of your joists.
The Wood Frame Construction Manual, Published by the American Wood Council expresses that cantilevers are constrained to 1/4 the compass of the joists. 2x10 joists spreading over 14 feet, for instance, could cantilever up to 3.5 feet.
The Wood Frame Construction Manual, Published by the American Wood Council expresses that cantilevers are constrained to 1/4 the compass of the joists. 2x10 joists spreading over 14 feet, for instance, could cantilever up to 3.5 feet.