Building a floor question?
 

Hello,

If youare building a 14 x 14 platform can you use 2 x 4's for the
joists, if the platform is sitting on a floor, and still put kitchen
appliances on it? Would putting the joists closer than 1 ft. help? The
floor boards may be 1 x 4?

Thank you.

Building a floor question?
 

On Apr 16, 3:37*pm, Jeff The Drunk wrote:
On Fri, 16 Apr 2010 13:27:00 -0700 (PDT), harry
wrote:

Hello,

If youare building a 14 x 14 platform can you use 2 x 4's for the
joists, if the platform is sitting on a floor, and still put kitchen
appliances on it? Would putting the joists closer than 1 ft. help? The
floor boards may be 1 x 4?

Thank you.

I sure wouldn't. This may help

http://www.awc.org/calculators/span/...rcalcstyle.asp

Why? His "platform" is sitting on another floor that, presumably, is
strong enough to carry the load. The only thing is 2x4s are doing is
raising the floor a few inches (i.e. "a platform").

Building a floor question?
 

harry wrote:
Hello,

If youare building a 14 x 14 platform can you use 2 x 4's for the
joists, if the platform is sitting on a floor, and still put kitchen
appliances on it? Would putting the joists closer than 1 ft. help? The
floor boards may be 1 x 4?

Thank you.

If you're gonna use 2x4's as joists, then you'll need to make sure they
are either:

a. sitting flat on an existing floor or
b. supported (suppose you have to level it or something) every 2 feet or
so. i have done just this myself to make a level spot for a washer and
dryer in a kitchen owlcove, and used tapered door shims every foot or so
to support it. then i poured wood glue over each spot to make sure they
didn't work out from under there.

Building a floor question?
 

On 4/16/2010 3:27 PM, harry wrote:
Hello,

If youare building a 14 x 14 platform can you use 2 x 4's for the
joists, if the platform is sitting on a floor, and still put kitchen
appliances on it? Would putting the joists closer than 1 ft. help? The
floor boards may be 1 x 4?

Thank you.

In this situation the 2x4's are just spacers. The load is stll caried
by the original floor underneath. The type and thickness of the
flooring material on top of the 2x4's determines the spacing between
the joists.

Do you have any minimum ceiling height building code rules to be
concerned with? That could come back and bite you one day.

LdB