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So I have been doing quite a bit of DIY in the house, and have come away with quite a few medium sized pieces of plasterboard (drywall for the US folks I believe?).

Any ideas on a use for this? I guess as terrain, it’s thin enough that perhaps as buildings walls or something etc.
But I was wondering how well it would hold up, to spraying or gluing and the like.
Anyone have any knowledge on prior use perhaps?

Cheers!

Use pieces in terrain as rough ruins perhaps?

It is weird material for the hobby, be interesting material to use for a terrain challenge.

I think for now Id use it as a "filler". Break it up and use pieces to fill inside of a terrain that needs more girth and weight.

Perhaps good for an Aegis Defence Line?

I don't like to poo-poo creative re-use of trash, but in this case it feels kinda hard to justify it. Drywall/gypsum board is kind of a bad combination of being heavy, brittle, and prone to leaving nasty dust residue if it's not completely sealed.

Aside from maybe chunking it up and mixing it with PVA glue for ground/rubble texture, I can't think of uses that other cheap materials aren't much better for. (And really, that's assuming you have a place to work where you can deal with all the drywall dust.)

Rigid insulation foam, by comparison, is super light, very strong for its weight, easy to carve with simple tools without crumbling, and you don't need to wear a dust mask while working with it or cleaning up afterwards.

Drywall (US term, I guess) is not really conducive to much else, as it is pretty heavy and the inside starts to melt if it gets wet, like when painting, so if you sculpt it into a terrain piece, you would have a bit of trouble sealing it so it was not all crumbly and fragile. You can accomplish the same and so much better with the thick hard foam insulation sheets without the headaches of drywall.

Smash it up with a hammer for rubble. That's about as best as I can figure

plaster board as others have said are good for rubble and ruins. you can also use it for scattering rocks on wilderness terrain or river beds anywhere you need a scattering of rocks to bolders. You can smash it and carve up chunks. For any other concept plasterboard / dry rock / gypsum board is really heavy and doesn't do well if you flex it. So it tends to lend to permanent terrain. materials would be XPS foam.