Prevents lava from being blown up

code/game/turfs/flooring/flooring.dm

@@ -498,6 +498,8 @@ var/list/flooring_types
 	desc = "Lava. Y'know. Sets you on fire. AAAAAAAAAAA"
 	icon = 'icons/turf/outdoors.dmi'
 	icon_base = "lava"
+	is_plating = TRUE
+	flags = 0
 	footstep_sounds = list("human" = list(
 		'sound/effects/footstep/lava1.ogg',
 		'sound/effects/footstep/lava2.ogg',

code/game/turfs/simulated/lava.dm

@@ -33,6 +33,17 @@
 	..()
 	name = "magma"
 
+/turf/simulated/floor/lava/make_plating(place_product, defer_icon_update)
+	return
+
+/turf/simulated/floor/lava/set_flooring(decl/flooring/newflooring, initializing)
+	if(newflooring?.type == initial_flooring)
+		return ..()
+	return
+
+/turf/simulated/floor/lava/ex_act(severity)
+	return
+
 /turf/simulated/floor/lava/Entered(atom/movable/AM)
 	if(burn_stuff(AM))
 		START_PROCESSING(SSturfs, src)