My basement is 42' x 38'. I wish to divide it using studs and drywall. The
basement has a steel I-beam supported by 3.5" steel posts. One of my walls
will be underneath the I-beam and will 'encapsulate' the support posts. The
bottom plate will be attached to the concrete floor. Normally the top plate
would attach to the joists using nails. This is not easily doable against
the I-beam. Would construction adhesive be an acceptable solution? If so,
any particular type/brand?
As a matter of principle, I wouldn't do that. The I beam is probably
so ludicrously oversized that it's not a real problem, but the bottom flanges
are the part the do most of the load-bearing work. You shouldn't
make a habit of weakening them by putting holes in them.
Make question-mark shaped clips out of strap-iron, that fit over the edge
of the flanges and screw into the sides of the studwall, under the drywall,
or (for a slightly looser fit) screw flat peices to the top of the studwall,
and hammer the ends around the flanges once you get the wall stood up.
or if you never expect to change your mind about this wall,
make a 2"x nailer exactly the same width as the beam, glue it in place
with non-creeping construction adhesive, and attach the studwall to that.
Frame the wall with a top plate under the beam, and wrap one or both sides
of beam with 1x stock tying the plate under the beam, and the plate over the
beam, together. You do have a 2x plate on top that the joists are nailed
into, right? Remember, this wall isn't holding up anything but itself. It
just needs to be stiff enough to not fall over when people lean on it, and
to keep any doors square. You will either have 1x stock as the top edge of
your finish wall, or you can offset the floor plate and studs to the pretty
side so that you can bury the 1x behind the drywall. This isn't rocket
science, but bolting to the beam is to be avoided, not to mention an
expensive PITA even for people with the right tools. That stuff is thick,
drilling takes forever, and good bits are expensive, not to metion the trip
to the eyedoctor after you get the steel drill dust in your eyes drilling
upside down. Top of existing steel columns is probably tack-welded to the
I-beam, not bolted, for just the reasons I described.
Yes...do that. Build the wall in front of the beam.
You'll get more height. Plus...I'm guessing that the posts are
actually jack posts. You won't be able to adjust them, if necessary,
if you box them in.
Liquid Nails should do it. They have different kinds...so check with
your local tech first if you go this route?
What are you gonna do with the wall when you get to a post?
Build it in front...or in back...of that beam.
Have a nice week...
Help keep down the world population...have your partner spayed or
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