diff --git a/code/game/objects/items/weapons/RCD.dm b/code/game/objects/items/weapons/RCD.dm
index d68922748d7..e4624a00ba6 100644
--- a/code/game/objects/items/weapons/RCD.dm
+++ b/code/game/objects/items/weapons/RCD.dm
@@ -255,6 +255,8 @@ GLOBAL_LIST_INIT(rcd_door_types, list(
 			var/turf/AT = get_turf(A)
 			AT.ChangeTurf(/turf/simulated/floor/plating)
 			return TRUE
+		to_chat(user, "<span class='warning'>ERROR! Not enough matter in unit to construct this floor!</span>")
+		playsound(loc, 'sound/machines/click.ogg', 50, 1)
 		return FALSE
 
 	if(isfloorturf(A))
@@ -268,27 +270,39 @@ GLOBAL_LIST_INIT(rcd_door_types, list(
 				var/turf/AT = A
 				AT.ChangeTurf(/turf/simulated/wall)
 				return TRUE
+			return FALSE
+		to_chat(user, "<span class='warning'>ERROR! Not enough matter in unit to construct this wall!</span>")
+		playsound(loc, 'sound/machines/click.ogg', 50, 1)
 		return FALSE
+	to_chat(user, "<span class='warning'>ERROR! Location unsuitable for wall construction!</span>")
+	playsound(loc, 'sound/machines/click.ogg', 50, 1)
 	return FALSE
 
 /obj/item/rcd/proc/mode_airlock(atom/A, mob/user)
-	if(isfloorturf(A) && checkResource(10, user))
-		to_chat(user, "Building Airlock...")
-		playsound(loc, 'sound/machines/click.ogg', 50, 1)
-		if(do_after(user, 50 * toolspeed, target = A))
-			if(locate(/obj/machinery/door/airlock) in A.contents)
+	if(isfloorturf(A))
+		if(checkResource(10, user))
+			to_chat(user, "Building Airlock...")
+			playsound(loc, 'sound/machines/click.ogg', 50, 1)
+			if(do_after(user, 50 * toolspeed, target = A))
+				if(locate(/obj/machinery/door/airlock) in A.contents)
+					return FALSE
+				if(!useResource(10, user))
+					return FALSE
+				playsound(loc, usesound, 50, 1)
+				var/obj/machinery/door/airlock/T = new door_type(A)
+				T.name = door_name
+				T.autoclose = TRUE
+				if(one_access)
+					T.req_one_access = door_accesses.Copy()
+				else
+					T.req_access = door_accesses.Copy()
 				return FALSE
-			if(!useResource(10, user))
-				return FALSE
-			playsound(loc, usesound, 50, 1)
-			var/obj/machinery/door/airlock/T = new door_type(A)
-			T.name = door_name
-			T.autoclose = TRUE
-			if(one_access)
-				T.req_one_access = door_accesses.Copy()
-			else
-				T.req_access = door_accesses.Copy()
 			return FALSE
+		to_chat(user, "<span class='warning'>ERROR! Not enough matter in unit to construct this airlock!</span>")
+		playsound(loc, 'sound/machines/click.ogg', 50, 1)
+		return FALSE
+	to_chat(user, "<span class='warning'>ERROR! Location unsuitable for airlock construction!</span>")
+	playsound(loc, 'sound/machines/click.ogg', 50, 1)
 	return FALSE
 
 /obj/item/rcd/proc/mode_decon(atom/A, mob/user)
@@ -305,6 +319,9 @@ GLOBAL_LIST_INIT(rcd_door_types, list(
 				var/turf/AT = A
 				AT.ChangeTurf(/turf/simulated/floor/plating)
 				return TRUE
+			return FALSE
+		to_chat(user, "<span class='warning'>ERROR! Not enough matter in unit to deconstruct this wall!</span>")
+		playsound(loc, 'sound/machines/click.ogg', 50, 1)
 		return FALSE
 
 	if(isfloorturf(A))
@@ -318,6 +335,9 @@ GLOBAL_LIST_INIT(rcd_door_types, list(
 				var/turf/AT = A
 				AT.ChangeTurf(/turf/space)
 				return TRUE
+			return FALSE
+		to_chat(user, "<span class='warning'>ERROR! Not enough matter in unit to deconstruct this floor!</span>")
+		playsound(loc, 'sound/machines/click.ogg', 50, 1)
 		return FALSE
 
 	if(istype(A, /obj/machinery/door/airlock))
@@ -330,12 +350,17 @@ GLOBAL_LIST_INIT(rcd_door_types, list(
 				playsound(loc, usesound, 50, 1)
 				qdel(A)
 				return TRUE
+			return FALSE
+		to_chat(user, "<span class='warning'>ERROR! Not enough matter in unit to deconstruct this airlock!</span>")
+		playsound(loc, 'sound/machines/click.ogg', 50, 1)
 		return FALSE
 
 	if(istype(A, /obj/structure/window)) // You mean the grille of course, do you?
 		A = locate(/obj/structure/grille) in A.loc
 	if(istype(A, /obj/structure/grille))
 		if(!checkResource(2, user))
+			to_chat(user, "<span class='warning'>ERROR! Not enough matter in unit to deconstruct this window!</span>")
+			playsound(loc, 'sound/machines/click.ogg', 50, 1)
 			return 0
 		to_chat(user, "Deconstructing window...")
 		playsound(loc, 'sound/machines/click.ogg', 50, 1)
@@ -367,6 +392,8 @@ GLOBAL_LIST_INIT(rcd_door_types, list(
 		if(locate(/obj/structure/grille) in A)
 			return 0 // We already have window
 		if(!checkResource(2, user))
+			to_chat(user, "<span class='warning'>ERROR! Not enough matter in unit to construct this window!</span>")
+			playsound(loc, 'sound/machines/click.ogg', 50, 1)
 			return 0
 		to_chat(user, "Constructing window...")
 		playsound(loc, 'sound/machines/click.ogg', 50, 1)
@@ -392,6 +419,9 @@ GLOBAL_LIST_INIT(rcd_door_types, list(
 		var/turf/AT = A
 		AT.ChangeTurf(/turf/simulated/floor/plating) // Platings go under windows.
 		return 1
+	to_chat(user, "<span class='warning'>ERROR! Location unsuitable for window construction!</span>")
+	playsound(loc, 'sound/machines/click.ogg', 50, 1)
+	return 0
 
 /obj/item/rcd/afterattack(atom/A, mob/user, proximity)
 	if(!proximity)