2 Foot Overhang On Floors

First floor live loads have higher requirements than second floor live loads 40 pounds per square foot vs.

2 foot overhang on floors.

Maximum floor joist span for no. 1 psf lb f ft 2 47 88 n m 2. Live load is weight of furniture wind snow and more. How can southern pine have less allowable overhang at 12 o c.

Spacing than if it s 16 o c. If you re building rafters and aren t sure where to start when determining the length of your lumber you re in the right place our rafter stock size calculator shows you how long your rafters should be so you ll know what you need in terms of framing lumber dimensional lumber studs and more. We can also build a cantilever for the overhang which is where the bottom chord of the truss continues beyond the wall. Does it mean to say 4 1 overhang at 12 o c.

Live load 30 lbs ft 2 1436 n m 2. Put lag screws at the upper and lower sides of the width of the joist every 2 feet. A room used solely for sleeping might need to carry only 30 psf whereas a garage floor over a basement would need 50 psf or higher. 1 in 25 4 mm.

That makes absolutely no sense. If the overhang exceeds 2 5 feet we will need to use a larger top chord for the overhang typically a 2 6 top chord for the truss. Erick c 4 23 2017 11 47 00 pm reply. Repeat for each of the other joists then remove your floor jack and four by six beams.

1 ft 0 3048 m. An inaccessible attic space on the other hand might have a live load of only 20 psf. 2 grade of douglas fir are indicated below. A standard overhang is 16 24 inches but the overhang can be any length you wish.

Dead load weight of structure and fixed loads 10 lbs ft 2. With the allowable cantilever of the joists this beam would support a deck 12 feet by 17 1 2 feet.