diff --git a/code/game/objects/stacks/glass.dm b/code/game/objects/stacks/glass.dm
index 658ac96c357..e109d4bf2bc 100644
--- a/code/game/objects/stacks/glass.dm
+++ b/code/game/objects/stacks/glass.dm
@@ -6,8 +6,9 @@ SHARDS
 
 */
 
-/proc/construct_window(mob/user as mob, obj/item/stack/sheet/src as obj)//Why is this a general proc and not on the glass sheet?
+/obj/item/stack/sheet/glass/proc/construct_window(mob/user as mob)
 	if(!user || !src)	return 0
+	if(!istype(user.loc,/turf)) return 0
 	if(!user.IsAdvancedToolUser())
 		user << "\red You don't have the dexterity to do this!"
 		return 0
@@ -69,7 +70,7 @@ SHARDS
 // GLASS
 
 /obj/item/stack/sheet/glass/attack_self(mob/user as mob)
-	construct_window(user, src)
+	construct_window(user)
 
 /obj/item/stack/sheet/glass/attackby(obj/item/W, mob/user)
 	..()
@@ -105,13 +106,6 @@ SHARDS
 
 // REINFORCED GLASS
 
-/obj/item/stack/sheet/rglass/attack_self(mob/user as mob)
-	construct_window(user, src)
-
-
-
-
-
 
 // SHARDS
 
diff --git a/code/game/objects/stacks/metal.dm b/code/game/objects/stacks/metal.dm
index ee91ab6989a..dc7a8da43a9 100644
--- a/code/game/objects/stacks/metal.dm
+++ b/code/game/objects/stacks/metal.dm
@@ -33,6 +33,9 @@ FLOOR TILES
 
 /obj/item/stack/rods/attack_self(mob/user as mob)
 	src.add_fingerprint(user)
+
+	if(!istype(user.loc,/turf)) return 0
+
 	if (locate(/obj/structure/grille, usr.loc))
 		for(var/obj/structure/grille/G in usr.loc)
 			if (G.destroyed)
@@ -62,28 +65,28 @@ FLOOR TILES
 
 // /datum/stack_recipe/New(title, result_type, req_amount, res_amount, max_res_amount, time, one_per_turf, on_floor = 0)
 var/global/list/datum/stack_recipe/metal_recipes = list ( \
-	new/datum/stack_recipe("stool", /obj/structure/stool), \
-	new/datum/stack_recipe("chair", /obj/structure/stool/bed/chair, one_per_turf = 1), \
-	new/datum/stack_recipe("bed", /obj/structure/stool/bed, 2, one_per_turf = 1), \
+	new/datum/stack_recipe("stool", /obj/structure/stool, on_floor = 1), \
+	new/datum/stack_recipe("chair", /obj/structure/stool/bed/chair, one_per_turf = 1, on_floor = 1), \
+	new/datum/stack_recipe("bed", /obj/structure/stool/bed, 2, one_per_turf = 1, on_floor = 1), \
 	new/datum/stack_recipe("table parts", /obj/item/weapon/table_parts, 2), \
 	new/datum/stack_recipe("rack parts", /obj/item/weapon/rack_parts), \
-	new/datum/stack_recipe("closet", /obj/structure/closet, 2, one_per_turf = 1), \
+	new/datum/stack_recipe("closet", /obj/structure/closet, 2, one_per_turf = 1, on_floor = 1), \
 	null, \
-	new/datum/stack_recipe("canister", /obj/machinery/portable_atmospherics/canister, 2, one_per_turf = 1), \
+	new/datum/stack_recipe("canister", /obj/machinery/portable_atmospherics/canister, 2, one_per_turf = 1, on_floor = 1), \
 	null, \
 	new/datum/stack_recipe("floor tile", /obj/item/stack/tile/plasteel, 1, 4, 10), \
 	new/datum/stack_recipe("metal rod", /obj/item/stack/rods, 1, 2, 60), \
 	null, \
-	new/datum/stack_recipe("computer frame", /obj/structure/computerframe, 5, one_per_turf = 1), \
+	new/datum/stack_recipe("computer frame", /obj/structure/computerframe, 5, one_per_turf = 1, on_floor = 1), \
 	new/datum/stack_recipe("wall girders", /obj/structure/girder, 2, time = 50, one_per_turf = 1, on_floor = 1), \
 	new/datum/stack_recipe("airlock assembly", /obj/structure/door_assembly, 4, time = 50, one_per_turf = 1, on_floor = 1), \
-	new/datum/stack_recipe("machine frame", /obj/machinery/constructable_frame/machine_frame, 5, one_per_turf = 1), \
-	new/datum/stack_recipe("turret frame", /obj/machinery/porta_turret_construct, 5, one_per_turf = 1), \
+	new/datum/stack_recipe("machine frame", /obj/machinery/constructable_frame/machine_frame, 5, one_per_turf = 1, on_floor = 1), \
+	new/datum/stack_recipe("turret frame", /obj/machinery/porta_turret_construct, 5, one_per_turf = 1, on_floor = 1), \
 	null, \
 	new/datum/stack_recipe("apc frame", /obj/item/apc_frame, 2), \
 	new/datum/stack_recipe("grenade casing", /obj/item/weapon/chem_grenade), \
 	null, \
-	new/datum/stack_recipe("iron door", /obj/structure/mineral_door/iron, 20), \
+	new/datum/stack_recipe("iron door", /obj/structure/mineral_door/iron, 20, one_per_turf = 1, on_floor = 1), \
 )
 
 /obj/item/stack/sheet/metal
diff --git a/code/game/objects/stacks/minerals.dm b/code/game/objects/stacks/minerals.dm
index 49a28193172..5993bfc8d9a 100644
--- a/code/game/objects/stacks/minerals.dm
+++ b/code/game/objects/stacks/minerals.dm
@@ -10,7 +10,7 @@ SILVER
 
 //Sandstone
 var/global/list/datum/stack_recipe/sandstone_recipes = list ( \
-	new/datum/stack_recipe("sandstone door", /obj/structure/mineral_door/sandstone, 10), \
+	new/datum/stack_recipe("sandstone door", /obj/structure/mineral_door/sandstone, 10, one_per_turf = 1, on_floor = 1), \
 /*	new/datum/stack_recipe("sandstone wall", ???), \
 		new/datum/stack_recipe("sandstone floor", ???),\*/
 	)
@@ -22,7 +22,7 @@ var/global/list/datum/stack_recipe/sandstone_recipes = list ( \
 
 //Diamond
 var/global/list/datum/stack_recipe/diamond_recipes = list ( \
-	new/datum/stack_recipe("diamond door", /obj/structure/mineral_door/transparent/diamond, 10), \
+	new/datum/stack_recipe("diamond door", /obj/structure/mineral_door/transparent/diamond, 10, one_per_turf = 1, on_floor = 1), \
 	)
 
 /obj/item/stack/sheet/diamond
@@ -32,7 +32,7 @@ var/global/list/datum/stack_recipe/diamond_recipes = list ( \
 
 //Uranium
 var/global/list/datum/stack_recipe/uranium_recipes = list ( \
-	new/datum/stack_recipe("uranium door", /obj/structure/mineral_door/uranium, 10), \
+	new/datum/stack_recipe("uranium door", /obj/structure/mineral_door/uranium, 10, one_per_turf = 1, on_floor = 1), \
 	)
 
 /obj/item/stack/sheet/uranium
@@ -42,7 +42,7 @@ var/global/list/datum/stack_recipe/uranium_recipes = list ( \
 
 //Plasma
 var/global/list/datum/stack_recipe/plasma_recipes = list ( \
-	new/datum/stack_recipe("plasma door", /obj/structure/mineral_door/transparent/plasma, 10), \
+	new/datum/stack_recipe("plasma door", /obj/structure/mineral_door/transparent/plasma, 10, one_per_turf = 1, on_floor = 1), \
 	)
 
 /obj/item/stack/sheet/plasma
@@ -52,7 +52,7 @@ var/global/list/datum/stack_recipe/plasma_recipes = list ( \
 
 //Gold
 var/global/list/datum/stack_recipe/gold_recipes = list ( \
-	new/datum/stack_recipe("golden door", /obj/structure/mineral_door/gold, 10), \
+	new/datum/stack_recipe("golden door", /obj/structure/mineral_door/gold, 10, one_per_turf = 1, on_floor = 1), \
 	)
 
 /obj/item/stack/sheet/gold
@@ -62,7 +62,7 @@ var/global/list/datum/stack_recipe/gold_recipes = list ( \
 
 //Silver
 var/global/list/datum/stack_recipe/silver_recipes = list ( \
-	new/datum/stack_recipe("silver door", /obj/structure/mineral_door/silver, 10), \
+	new/datum/stack_recipe("silver door", /obj/structure/mineral_door/silver, 10, one_per_turf = 1, on_floor = 1), \
 	)
 
 /obj/item/stack/sheet/silver