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Comment by PaulDavisThe1st | Hacker News Reader

Interesting to me that no mention of the use of drywall (in various forms) to act as a substrate for actual plaster. This seems common in the UK from what I understand from my family back there, and it is also common in the USA in high end residential construction. It is particular common in Santa Fe where I live now (for high end anyway) because the so-called "diamond plaster" look & feel is very popular. So, you still build with stick frames (or in a few cases, cinder block), cover that with drywall/sheetrock, then plaster it.

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It is indeed how it's done in the UK. It's a bit of a cliché for British people to complain about American houses, but it's not that we don't have stud walls ourselves, it's just that we don't just go and paint directly on top of plasterboard. Both walls and ceilings are skimmed, with either plaster or shudder Artex. We also have dot and dab walls which are built from block, have a layer of plasterboard glued, leaving a ~6mm cavity, then skimmed with plaster.

Probably 99% of all drywall in the US is not painted directly, either. It is textured [0]. I'll go out on a limb and say that a substantial majority these days are orange peel texture on the walls and knockdown on the ceiling, made primarily with drywall mud (Artex seems to be essentially the same thing).

I'm not sure I would want a plaster skim in any case. I grew up in a house built in 1914 that had lath & plaster, and I've cursed the brittle plaster many times. We even had actual picture rails but my mom never liked to use them to actually hang pictures, amusingly enough.

[0] To be brutally honest, the texturing isn't for any particular reason aside from how well it hides minor imperfections. Having someone skim coat the walls and ceiling with a perfectly smooth finish is definitely a thing, but it's a good bit more labor intensive.

> Probably 99% of all drywall in the US is not painted directly, either.

I'm not sure about the exact numbers, but I'm pretty certain this is a vast overestimate.

I've painted a more than average number of interior walls in the US (both personally and professionally) and except for a few that were wood, adobe, or lath and plaster, all the rest involved painting directly on drywall. Sometimes the base paint was applied with a thick nap roller to achieve a degree of texture, but I never textured one with something else before painting.

All I can guess is that there are large regional or cultual differences here, and each of us is having a very localized experience.

My experience (South and NE US) is that walls are painted and ceilings are textured. More labor is required to produce a good finish on a drywall ceiling and knockdown and popcorn finishes arose to reduce construction costs.

“Level 5” drywall has a skim coat of plaster over it. It’s very common.

yeah, my parents' US home (which was originally my grandmother's) in the eastern half of the US has plaster-on-drywall construction.

it is a bitch and a half for hanging anything (just like plaster on lath), plus it screws up wifi.

Pro tip for finding a stud, if you have access to the bare floor -- stick a drywalling knife / spatula under the bottom trim and poke. you can find the studs that way, and then measure off since 16" is pretty common. Measuring off the edge of an electrical box can work too, but you have to figure out what side of the stud the box is on...

re: finding studs. unless it's balloon framing, you'll hit the bottom plate in normal stick home construction (and if not, you probably should air seal that gap...). The most consistent and easiest way to find studs is hovering a neodymium magnet across the wall to find the drywall screws. I haven't used my stud finder in years b/c of how much more reliable this is. Plus, it works even if you've doubled up your drywall (e.g. 2x 5/8in w/ green glue for sound abatement, etc).

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