diff --git a/code/game/atoms_movable.dm b/code/game/atoms_movable.dm
index f287a23f757..cc7c61aa42c 100644
--- a/code/game/atoms_movable.dm
+++ b/code/game/atoms_movable.dm
@@ -121,7 +121,7 @@
 				// Special handling of windows, which are dense but block only from some directions
 				if(istype(A, /obj/structure/window))
 					var/obj/structure/window/W = A
-					if (!W.is_full_window() && !(turn(src.last_move, 180) & A.dir))
+					if (!W.is_fulltile() && !(turn(src.last_move, 180) & A.dir))
 						continue
 				// Same thing for (closed) windoors, which have the same problem
 				else if(istype(A, /obj/machinery/door/window) && !(turn(src.last_move, 180) & A.dir))
diff --git a/code/game/objects/items/stacks/sheets/glass.dm b/code/game/objects/items/stacks/sheets/glass.dm
index 8d82ffc8d1e..53dc72faaa7 100644
--- a/code/game/objects/items/stacks/sheets/glass.dm
+++ b/code/game/objects/items/stacks/sheets/glass.dm
@@ -14,9 +14,7 @@
 	name = "glass"
 	singular_name = "glass sheet"
 	icon_state = "sheet-glass"
-	var/created_window = /obj/structure/window/basic
 	var/is_reinforced = 0
-	var/list/construction_options = list("One Direction", "Full Window")
 	default_type = "glass"
 
 /obj/item/stack/material/glass/attack_self(mob/user as mob)
@@ -52,75 +50,7 @@
 			if (!G && replace)
 				user.put_in_hands(RG)
 
-/obj/item/stack/material/glass/proc/construct_window(mob/user as mob)
-	if(!user || !src)	return 0
-	if(!istype(user.loc,/turf)) return 0
-	if(!user.IsAdvancedToolUser())
-		return 0
-	var/title = "Sheet-[name]"
-	title += " ([src.get_amount()] sheet\s left)"
-	switch(input(title, "What would you like to construct?") as null|anything in construction_options)
-		if("One Direction")
-			if(!src)	return 1
-			if(src.loc != user)	return 1
 
-			var/list/directions = new/list(cardinal)
-			var/i = 0
-			for (var/obj/structure/window/win in user.loc)
-				i++
-				if(i >= 4)
-					user << "<span class='warning'>There are too many windows in this location.</span>"
-					return 1
-				directions-=win.dir
-				if(!(win.dir in cardinal))
-					user << "<span class='warning'>Can't let you do that.</span>"
-					return 1
-
-			//Determine the direction. It will first check in the direction the person making the window is facing, if it finds an already made window it will try looking at the next cardinal direction, etc.
-			var/dir_to_set = 2
-			for(var/direction in list( user.dir, turn(user.dir,90), turn(user.dir,180), turn(user.dir,270) ))
-				var/found = 0
-				for(var/obj/structure/window/WT in user.loc)
-					if(WT.dir == direction)
-						found = 1
-				if(!found)
-					dir_to_set = direction
-					break
-			new created_window( user.loc, dir_to_set, 1 )
-			src.use(1)
-		if("Full Window")
-			if(!src)	return 1
-			if(src.loc != user)	return 1
-			if(src.get_amount() < 4)
-				user << "<span class='warning'>You need more glass to do that.</span>"
-				return 1
-			if(locate(/obj/structure/window) in user.loc)
-				user << "<span class='warning'>There is a window in the way.</span>"
-				return 1
-			new created_window( user.loc, SOUTHWEST, 1 )
-			src.use(4)
-		if("Windoor")
-			if(!is_reinforced) return 1
-
-
-			if(!src || src.loc != user) return 1
-
-			if(isturf(user.loc) && locate(/obj/structure/windoor_assembly/, user.loc))
-				user << "<span class='warning'>There is already a windoor assembly in that location.</span>"
-				return 1
-
-			if(isturf(user.loc) && locate(/obj/machinery/door/window/, user.loc))
-				user << "<span class='warning'>There is already a windoor in that location.</span>"
-				return 1
-
-			if(src.get_amount() < 5)
-				user << "<span class='warning'>You need more glass to do that.</span>"
-				return 1
-
-			new /obj/structure/windoor_assembly(user.loc, user.dir, 1)
-			src.use(5)
-
-	return 0
 
 
 /*
@@ -131,9 +61,7 @@
 	singular_name = "reinforced glass sheet"
 	icon_state = "sheet-rglass"
 	default_type = "reinforced glass"
-	created_window = /obj/structure/window/reinforced
 	is_reinforced = 1
-	construction_options = list("One Direction", "Full Window", "Windoor")
 
 /*
  * Phoron Glass sheets
@@ -142,7 +70,6 @@
 	name = "phoron glass"
 	singular_name = "phoron glass sheet"
 	icon_state = "sheet-phoronglass"
-	created_window = /obj/structure/window/phoronbasic
 	default_type = "phoron glass"
 
 /obj/item/stack/material/glass/phoronglass/attackby(obj/item/W, mob/user)
@@ -170,5 +97,4 @@
 	singular_name = "reinforced phoron glass sheet"
 	icon_state = "sheet-phoronrglass"
 	default_type = "reinforced phoron glass"
-	created_window = /obj/structure/window/phoronreinforced
 	is_reinforced = 1
diff --git a/code/game/objects/structures/window.dm b/code/game/objects/structures/window.dm
index 251e168293a..f7f35c783a6 100644
--- a/code/game/objects/structures/window.dm
+++ b/code/game/objects/structures/window.dm
@@ -21,6 +21,7 @@
 	var/shardtype = /obj/item/weapon/material/shard
 	var/glasstype = null // Set this in subtypes. Null is assumed strange or otherwise impossible to dismantle, such as for shuttle glass.
 	var/silicate = 0 // number of units of silicate
+	var/fulltile = FALSE // Set to true on full-tile variants.
 
 /obj/structure/window/examine(mob/user)
 	. = ..(user)
@@ -128,16 +129,10 @@
 /obj/structure/window/blob_act()
 	take_damage(50)
 
-//TODO: Make full windows a separate type of window.
-//Once a full window, it will always be a full window, so there's no point
-//having the same type for both.
-/obj/structure/window/proc/is_full_window()
-	return (dir == SOUTHWEST || dir == SOUTHEAST || dir == NORTHWEST || dir == NORTHEAST)
-
 /obj/structure/window/CanPass(atom/movable/mover, turf/target, height=0, air_group=0)
 	if(istype(mover) && mover.checkpass(PASSGLASS))
 		return 1
-	if(is_full_window())
+	if(is_fulltile())
 		return 0	//full tile window, you can't move into it!
 	if(get_dir(loc, target) & dir)
 		return !density
@@ -388,8 +383,6 @@
 		anchored = 0
 		state = 0
 		update_verbs()
-		if(is_fulltile())
-			maxhealth *= 2
 
 	health = maxhealth
 
@@ -416,9 +409,7 @@
 
 //checks if this window is full-tile one
 /obj/structure/window/proc/is_fulltile()
-	if(dir & (dir - 1))
-		return 1
-	return 0
+	return fulltile
 
 //This proc is used to update the icons of nearby windows. It should not be confused with update_nearby_tiles(), which is an atmos proc!
 /obj/structure/window/proc/update_nearby_icons()
@@ -484,6 +475,10 @@
 	maxhealth = 12.0
 	force_threshold = 3
 
+/obj/structure/window/basic/full
+	maxhealth = 24
+	fulltile = TRUE
+
 /obj/structure/window/phoronbasic
 	name = "phoron window"
 	desc = "A borosilicate alloy window. It seems to be quite strong."
@@ -497,8 +492,8 @@
 	force_threshold = 5
 
 /obj/structure/window/phoronbasic/full
-	dir = SOUTHWEST
 	maxhealth = 80
+	fulltile = TRUE
 
 /obj/structure/window/phoronreinforced
 	name = "reinforced borosilicate window"
@@ -514,8 +509,8 @@
 	force_threshold = 10
 
 /obj/structure/window/phoronreinforced/full
-	dir = SOUTHWEST
 	maxhealth = 160
+	fulltile = TRUE
 
 /obj/structure/window/reinforced
 	name = "reinforced window"
@@ -530,9 +525,9 @@
 	force_threshold = 6
 
 /obj/structure/window/reinforced/full
-	dir = SOUTHWEST
 	icon_state = "fwindow"
 	maxhealth = 80
+	fulltile = TRUE
 
 /obj/structure/window/reinforced/tinted
 	name = "tinted window"
@@ -567,9 +562,9 @@
 	var/id
 
 /obj/structure/window/reinforced/polarized/full
-	dir = SOUTHWEST
 	icon_state = "fwindow"
 	maxhealth = 80
+	fulltile = TRUE
 
 /obj/structure/window/reinforced/polarized/attackby(obj/item/W as obj, mob/user as mob)
 	if(istype(W, /obj/item/device/multitool) && !anchored) // Only allow programming if unanchored!
diff --git a/code/modules/materials/materials.dm b/code/modules/materials/materials.dm
index f8aad253d83..6f55572ef91 100644
--- a/code/modules/materials/materials.dm
+++ b/code/modules/materials/materials.dm
@@ -113,6 +113,7 @@ var/list/name_to_material
 
 	// Placeholder vars for the time being, todo properly integrate windows/light tiles/rods.
 	var/created_window
+	var/created_fulltile_window
 	var/rod_product
 	var/wire_product
 	var/list/window_options = list()
@@ -485,11 +486,12 @@ var/list/name_to_material
 	destruction_desc = "shatters"
 	window_options = list("One Direction" = 1, "Full Window" = 4, "Windoor" = 2)
 	created_window = /obj/structure/window/basic
+	created_fulltile_window = /obj/structure/window/basic/full
 	rod_product = /obj/item/stack/material/glass/reinforced
 
 /material/glass/build_windows(var/mob/living/user, var/obj/item/stack/used_stack)
 
-	if(!user || !used_stack || !created_window || !window_options.len)
+	if(!user || !used_stack || !created_window || !created_fulltile_window || !window_options.len)
 		return 0
 
 	if(!user.IsAdvancedToolUser())
@@ -544,6 +546,8 @@ var/list/name_to_material
 	if(choice == "Windoor")
 		if(is_reinforced())
 			build_path = /obj/structure/windoor_assembly/secure
+	else if(choice == "Full Window")
+		build_path = created_fulltile_window
 	else
 		build_path = created_window
 
@@ -575,6 +579,7 @@ var/list/name_to_material
 	composite_material = list(DEFAULT_WALL_MATERIAL = SHEET_MATERIAL_AMOUNT / 2, "glass" = SHEET_MATERIAL_AMOUNT)
 	window_options = list("One Direction" = 1, "Full Window" = 4, "Windoor" = 2)
 	created_window = /obj/structure/window/reinforced
+	created_fulltile_window = /obj/structure/window/reinforced/full
 	wire_product = null
 	rod_product = null
 
@@ -588,6 +593,7 @@ var/list/name_to_material
 	stack_origin_tech = list(TECH_MATERIAL = 4)
 	window_options = list("One Direction" = 1, "Full Window" = 4)
 	created_window = /obj/structure/window/phoronbasic
+	created_fulltile_window = /obj/structure/window/phoronbasic/full
 	wire_product = null
 	rod_product = /obj/item/stack/material/glass/phoronrglass
 
@@ -599,6 +605,7 @@ var/list/name_to_material
 	composite_material = list() //todo
 	window_options = list("One Direction" = 1, "Full Window" = 4)
 	created_window = /obj/structure/window/phoronreinforced
+	created_fulltile_window = /obj/structure/window/phoronreinforced/full
 	hardness = 40
 	weight = 30
 	stack_origin_tech = list(TECH_MATERIAL = 2)
diff --git a/code/modules/mining/shelter_atoms.dm b/code/modules/mining/shelter_atoms.dm
index 51b61cd5b1b..afd9ad6d5f9 100644
--- a/code/modules/mining/shelter_atoms.dm
+++ b/code/modules/mining/shelter_atoms.dm
@@ -128,7 +128,7 @@
 	basestate = "pwindow"
 
 //The windows have diagonal versions, and will never be a full window
-/obj/structure/window/reinforced/survival_pod/is_full_window()
+/obj/structure/window/reinforced/survival_pod/is_fulltile()
 	return FALSE
 
 /obj/structure/window/reinforced/survival_pod/update_icon()
diff --git a/code/modules/mob/living/living.dm b/code/modules/mob/living/living.dm
index 9dd2fd1fa06..51fb49f29ac 100644
--- a/code/modules/mob/living/living.dm
+++ b/code/modules/mob/living/living.dm
@@ -867,7 +867,7 @@ default behaviour is:
 					if (pulling)
 						if (istype(pulling, /obj/structure/window))
 							var/obj/structure/window/W = pulling
-							if(W.is_full_window())
+							if(W.is_fulltile())
 								for(var/obj/structure/window/win in get_step(pulling,get_dir(pulling.loc, T)))
 									stop_pulling()
 					if (pulling)