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Josh-D. S. Davis

Xaminmo / Omnimax / Max Omni / Mad Scientist / Midnight Shadow / Radiation Master

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Drywall joint compound experience anyone?
Josh 201604 KWP
joshdavis
I'm making the kitchen walls smooth and level. The biggest knife I've got is a 14" trowel and a 12" putty knife (can't find anything bigger).

The joint compound (not spackle) products tried so far:

SheetRock Wallboard Joint Compound, readymix. Seems a little dense. It sticks well enough but it takes some work to flatten out. It's heavy. It came in a box which sucks. Pail only for better seal between uses.

Dap All Purpose Joint Compound is a little drippy, but sticks where it's applied and can be overcoated in about an hour. It's a little thin, but it's easy to work. Could only find this in quart tubs.

Dap Lightweight Joint Compound with Drydex may be "30% lighter and 20% less shrinkage", but it balls up and is pretty viscous. I found that I had to work harder to spread it around and get it to stick. This came in a 2-gallon square pail. Good access to the product, but I just don't like it's workability and don't have a mixer with the HP to thin or mix it with something else.

I probably need to buy a couple of 4.5 gallon pails and I'd really rather not buy 8 1-quart test pails to find something easy to work with.

So, Please tell me your experience with joint compounds. What did you like and dislike?


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(Deleted comment)
I've already done pretty extensive research.

Spackle is for filling cracks, voids, or holes
Texture is for applying a texture on top.
Joint compound is for tape and bed, skim coat, or for texturing at full or thinned.

Joint compound is the only type of mud generally approved for multi-layer skim coating of wallboards.

I've always used SheetRock All Purpose Joint Compound. Comes in buckets. I've got a gallon bucket half-used in the garage that I bought almost three years ago. It has dried out a little bit, but just needs a little water.

For what you're doing, you'd probably want to get a fresh bucket, do a pass wherever you're leveling with the stuff undiluted, then smooth it out with a diluted mixture. If you really want to do it right, you do it in several passes, each time diluting a little more. I'm never that patient.

I may just have to hit up home depot. Lowes seems to be limited in their volume and selection. You know, unless I'm blind, which is possible.

do you sand it after you put on the mud? I don't know what kind of mud we used so I can't really help ya. :)

In new construction, often they sand with a sanding block to get it flat and smoove, but for us, sanding tends to be an impossible amount of dust. Maybe the USG "Dust Control" product. dunno.

I just have to apply it smooth. Having a really wide, flexible putty knife is best, though the trowel is ok.

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