diff --git a/code/game/objects/items/stacks/sheets/glass.dm b/code/game/objects/items/stacks/sheets/glass.dm
index 6b1220743f..08c9a632e4 100644
--- a/code/game/objects/items/stacks/sheets/glass.dm
+++ b/code/game/objects/items/stacks/sheets/glass.dm
@@ -13,8 +13,8 @@
  * Glass sheets
  */
 GLOBAL_LIST_INIT(glass_recipes, list ( \
-	new/datum/stack_recipe("directional window", /obj/structure/window/unanchored, time = 0, on_floor = TRUE, window_checks = TRUE), \
-	new/datum/stack_recipe("fulltile window", /obj/structure/window/fulltile/unanchored, 2, time = 0, on_floor = TRUE, window_checks = TRUE), \
+	new/datum/stack_recipe("directional window", /obj/structure/window/unanchored, time = 10, on_floor = TRUE, window_checks = TRUE), \
+	new/datum/stack_recipe("fulltile window", /obj/structure/window/fulltile/unanchored, 2, time = 20, on_floor = TRUE, window_checks = TRUE), \
 	null, \
 	new/datum/stack_recipe_list("glass working bases", list( \
 		new/datum/stack_recipe("chem dish", /obj/item/glasswork/glass_base/dish, 10), \
@@ -95,8 +95,8 @@ GLOBAL_LIST_INIT(glass_recipes, list ( \
 
 
 GLOBAL_LIST_INIT(pglass_recipes, list ( \
-	new/datum/stack_recipe("directional window", /obj/structure/window/plasma/unanchored, time = 0, on_floor = TRUE, window_checks = TRUE), \
-	new/datum/stack_recipe("fulltile window", /obj/structure/window/plasma/fulltile/unanchored, 2, time = 0, on_floor = TRUE, window_checks = TRUE) \
+	new/datum/stack_recipe("directional window", /obj/structure/window/plasma/unanchored, time = 10, on_floor = TRUE, window_checks = TRUE), \
+	new/datum/stack_recipe("fulltile window", /obj/structure/window/plasma/fulltile/unanchored, 2, time = 20, on_floor = TRUE, window_checks = TRUE) \
 ))
 
 /obj/item/stack/sheet/plasmaglass
@@ -147,10 +147,10 @@ GLOBAL_LIST_INIT(pglass_recipes, list ( \
  * Reinforced glass sheets
  */
 GLOBAL_LIST_INIT(reinforced_glass_recipes, list ( \
-	new/datum/stack_recipe("windoor frame", /obj/structure/windoor_assembly, 5, time = 0, on_floor = TRUE, window_checks = TRUE), \
+	new/datum/stack_recipe("windoor frame", /obj/structure/windoor_assembly, 5, time = 20, on_floor = TRUE, window_checks = TRUE), \
 	null, \
-	new/datum/stack_recipe("directional reinforced window", /obj/structure/window/reinforced/unanchored, time = 0, on_floor = TRUE, window_checks = TRUE), \
-	new/datum/stack_recipe("fulltile reinforced window", /obj/structure/window/reinforced/fulltile/unanchored, 2, time = 0, on_floor = TRUE, window_checks = TRUE) \
+	new/datum/stack_recipe("directional reinforced window", /obj/structure/window/reinforced/unanchored, time = 10, on_floor = TRUE, window_checks = TRUE), \
+	new/datum/stack_recipe("fulltile reinforced window", /obj/structure/window/reinforced/fulltile/unanchored, 2, time = 20, on_floor = TRUE, window_checks = TRUE) \
 ))
 
 
@@ -198,8 +198,8 @@ GLOBAL_LIST_INIT(reinforced_glass_recipes, list ( \
 	. += GLOB.reinforced_glass_recipes
 
 GLOBAL_LIST_INIT(prglass_recipes, list ( \
-	new/datum/stack_recipe("directional reinforced window", /obj/structure/window/plasma/reinforced/unanchored, time = 0, on_floor = TRUE, window_checks = TRUE), \
-	new/datum/stack_recipe("fulltile reinforced window", /obj/structure/window/plasma/reinforced/fulltile/unanchored, 2, time = 0, on_floor = TRUE, window_checks = TRUE) \
+	new/datum/stack_recipe("directional reinforced window", /obj/structure/window/plasma/reinforced/unanchored, time = 10, on_floor = TRUE, window_checks = TRUE), \
+	new/datum/stack_recipe("fulltile reinforced window", /obj/structure/window/plasma/reinforced/fulltile/unanchored, 2, time = 20, on_floor = TRUE, window_checks = TRUE) \
 ))
 
 /obj/item/stack/sheet/plasmarglass
@@ -226,7 +226,7 @@ GLOBAL_LIST_INIT(prglass_recipes, list ( \
 	S.efficiency *= 1.2
 
 GLOBAL_LIST_INIT(titaniumglass_recipes, list(
-	new/datum/stack_recipe("shuttle window", /obj/structure/window/shuttle/unanchored, 2, time = 0, on_floor = TRUE, window_checks = TRUE)
+	new/datum/stack_recipe("shuttle window", /obj/structure/window/shuttle/unanchored, 2, time = 20, on_floor = TRUE, window_checks = TRUE)
 	))
 
 /obj/item/stack/sheet/titaniumglass
@@ -250,7 +250,7 @@ GLOBAL_LIST_INIT(titaniumglass_recipes, list(
 	S.efficiency *= 1.5
 
 GLOBAL_LIST_INIT(plastitaniumglass_recipes, list(
-	new/datum/stack_recipe("plastitanium window", /obj/structure/window/plastitanium/unanchored, 2, time = 0, on_floor = TRUE, window_checks = TRUE)
+	new/datum/stack_recipe("plastitanium window", /obj/structure/window/plastitanium/unanchored, 2, time = 20, on_floor = TRUE, window_checks = TRUE)
 	))
 
 /obj/item/stack/sheet/plastitaniumglass