Holes shall not be closer than 2 inches (51 mm) to the top orīottom of the member, or to any other hole located in the member. Or cut into members shall not exceed one-third the depth of the Notched except at the ends of the members. Members 4 inches (102 mm) or greater in nominal thickness shall not be Not exceed one-fourth the depth of the member. One-third of the depth of the member and shall not be located in the One-sixth of the depth of the member, shall not be longer than Notches in solid lumber joists, rafters and beams shall not exceed Of the limitations specified in this section. Structural floor members shall not be cut, bored or notched in excess One-sixth the depth and shall not be located in the middle third of Notches in the top or bottom of joists shall not exceed Within 2 inches (51 mm) of the top or bottom of the joist, and theĭiameter of any such hole shall not exceed one-third the depth of the Notches on the ends of joists shall notĮxceed one-fourth the joist depth. Solid blocking shall not be less than 2 inches (51mm) in thickness and Header, band or rim joist or to an adjoining stud or by other means. Solid blocking except where the ends of the joists are nailed to a Joists shall be supported laterally at the ends and at each support by This type of thing will be covered by International Building Code (IBC) and International Residential Code (IRC) ![]() Have a look at this document for a quick reference.
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