Los angeles residential code 6 wall construction r602 wood wall framing r602 10 wall bracing r602 10 6 construction of methods abw pfh pfg cs pf and bv wsp r602 10 6 4 method cs pf.
Cspf to floor framing.
Floor joists are typically 2 by 8s 2 by 10s or 2 by 12s.
Before you begin cutting or measuring grab a pencil and paper and sketch an outline of your floor.
Story height cannot be more than 11 feet 4 inches 10 feet of stud height plus 16 inches for floor framing.
Best performance of wood frame buildings is obtained when the moisture content of framing lumber at the time the build ing is enclosed with sheathing and interior finish is as close as possible to the condition it will reach in service.
Grading rules which conform with american soft wood lumber standard ps 20 provide for framing lumber.
Bracing method over raised wood floor or second floor framing anchor option a b min.
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Your sketch should depict the floor s basic shape and layout complete with any additional features like alcoves nooks and staircases.
Learn how to navigate all of these various materials and how to make the decisions that will lead you to a well designed floor frame.
A floor s framework is made up mostly of wooden joists that run parallel to one another at regular intervals.
Ceiling joists are usually 2 by 6s or sometimes 2 by 4s if it is an older home.
Garage openin g h 6 10 max 12 max with pony wall fully sheathed dwelling r602 10 6 4 garage opening no hold downs required ok on raised floor top of header at 10 max.
Continuously sheathed portal frame.
In that case the builder has to increase the braced wall amount by 20.
Method cs pf continuous portal frame walls on either or both sides of openings in garage may have wall segment with a maximum 6 1 height to length ratio.
There is an exception in section 3 of the irc that allows studs as high as 12 feet and still falls within the irc s scope.
Advanced framing construction guide apa system report sr 103 build a better home series engineered wood construction guide fire rated systems glulam floor beams glulam garage door headers guide to irc wood wall bracing iecc compliant wall assemblies lateral load connections for low slope roof diaphragms performance rated i joists.
Some newer homes have manufactured i beam shaped joists.
Extremely long spans staircases or interior walls typically require additional support which can complicate your framing.
Ltp4 outside elevation side elevation wood structural panel sheathing over approved band joist approved band joist nail sole plate to joist per irc table r602 3 1 not to scale.
Standard dimensional lumber heavy timber open web joists wooden i joists etc.
Draw up a basic floor framing plan.
