Ceiling Joist Framing

The existing ceiling joists are 2x6s clear spanning about 11 feet 3 inches.

Ceiling joist framing. Ceiling joist spans for common lumber species uninhabitable attics without storage live load 10 psf l δ 240 check sources for availability of lumber in lengths greater than 20 feet. Basic ceiling joist spacing the standard construction of interior framing in a home uses 16 inch on center oc spacing for ceiling joists. Space each ceiling joist 16 in.

Enter a span for the joist. Frame your ceiling after all the walls are plumb aligned and secured. Span exceeds 26 feet in length.

This will be slightly less than the length of the board. Joist spacing in this design mode incorporates different types of wood used in ceiling construction including 2 grades of southern pine douglas fir and hemlock fir types which are the most common. Lay a ceiling joist on.

Rather than sistering in deeper members which would involve moving wiring can i stack new 2x6s on top of the existing ones. How to frame a ceiling step 1. Build your own concrete foundation forms introduction to roof framing.

You will determine the size of your ceiling joist. Joists these are the horizontal members that run from wall to wall. Rest one end of the ceiling.

1 inch 25 4 mm 1 foot 304 8 mm 1 pound per square foot 0 0479kpa. This is a 2 x 4 nailed flat down against the top of the joist perpendicular and right along the center of the span and 2 x 6 or more nailed into it and turned like a joist or blocking bridging or similar x bracing. This creates a 2x12 joist depth but will i achieve an actual structural benefit from stacking members.