Thickness Of Second Story Floor

Live load is weight of furniture wind snow and more.

Thickness of second story floor. 1 psf lb f ft 2 47 88 n m 2. So the house dimensions will now be 24 x 13. The widest span in the floor joist span table in part 2 of this tutorial module showed that floor joists can span 17 2 if they are 2 x 12s spaced 12 o c. Proper subflooring for wood on second floor.

4 inches 0 1 m. 5 6 inches 0 125 0 15 m porches home garage floors. Typically made of plywood or osb and ranging in thickness from 19 32 to 1 1 8 thick the subfloor is truly structural second only to joists in this respect. Floor joists are made from 2 by 8 inch or 2 by 10 inch lumber or from engineered quiet beams which are made from a thin layer of chipboard on edge between two lumber caps forming an i shape.

Standard floor thickness however is substantial in order to provide the strength necessary for bearing the weight of the walls the ceiling and the roof. Whether you re installing a hardwood floor on the first or second floor of a building you need a solid subfloor that won t sag and that will hold nails. 6 8 inches 0 15 0 2 m side walks barn and granny floors. 2 grade of douglas fir are indicated below.

Let s expand our house beyond that 17 2 span capability to 24 feet wide. Dead load weight of structure and fixed loads 10 lbs ft 2. The rec room is the only room on the 2nd floor and contains attic access and a full bath. Maximum floor joist span for no.

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. I would like to put a 12 6 ft billiards table which stands on 8 legs and weighs approx. First floor live loads have higher requirements than second floor live loads 40 pounds per square foot vs. 2755 lbs in the center of the room.

An inaccessible attic space on the other hand might have a live load of only 20 psf. Subfloor holds up all of the above layers of flooring as well as everything in your house people dogs cats pianos furniture. 1 ft 0 3048 m.