wrote:
Hello everyone. Recently I had a posting on here about building a
temporary wall. Thank you everyone for your suggestions. I am finding
out what I really need is called a "half-wall" with a counter top.
Basically identical to that is seen in the picture I have included (
http://images.scrippsweb.com/DIY/200...r105_1cc_e.jpg ). I have
no idea how to even begin. I also have hardwood floors so I would like
it if I can install this without really damaging them in case I want to
remove the wall at some later date. Thank you very very much for your
help. I am a newbie at home improvement and I am being told this is a
very easy job. Thank you.

You'll have better luck searching if you use the term knee wall.

You will want to build the wall with 2x6 framing - it will be more
stable than with 2x4s. Can you build a return wall (short wall @ 90
degrees forming a corner) under the countertop? If so you won't need
to do a lot to stabilize the wall. A couple of deck screws every 12"
will be all you'll need to keep it from moving around.

If not, do you have access from below? If so you can use drill holes
through the floor and bolt the wall with threaded rod (longer rod is
better) and blocking between the floor joists. The drilled hole
doesn't really present a problem if you want to lose the wall later. A
round plug with grain oriented to match the flooring will fill the hole
and can be touched up to be hardly noticeable.

Covering one or both sides with glued and screwed plywood will add a
lot of stiffness.

R