For many people, the appeal of war games like Warhammer 40k is the opportunity to create intricate landscapes where the battles can take place. If you're looking for a way to add some extra depth and detail to your fantasy terrain, consider using XPS foam. This material
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Owens Corning FOAMULAR NGX F-250 2 in. x 4 ft. x 8 ft. SSE R-10
XPS CRAFT FOAM SHEETS, WARGAMING & HOBBY FOAM, TERRAIN, SCENERY
Foam Terrains
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Crafting a miniature ruined chapel out of XPS foam
Kingspan Insulation R-10, 2-in x 4-ft x 8-ft Unfaced Foam Board
FOAMULAR® XPS Insulation Products
XPS Foam Sheets Lot 3 Pcs 1 Thick EPS-Diorama Foamboard