diff --git a/code/game/objects/items/weapons/RCD.dm b/code/game/objects/items/weapons/RCD.dm
index 1cbbf37846..58fc87a490 100644
--- a/code/game/objects/items/weapons/RCD.dm
+++ b/code/game/objects/items/weapons/RCD.dm
@@ -125,8 +125,8 @@ obj/item/weapon/construction
 	var/canRturf = 0
 	var/ranged = FALSE
 	var/airlock_type = /obj/machinery/door/airlock
+	var/airlock_glass = FALSE // So the floor's rcd_act knows how much ammo to use
 	var/window_type = /obj/structure/window/fulltile
-
 	var/advanced_airlock_setting = 1 //Set to 1 if you want more paintjobs available
 	var/list/conf_access = null
 	var/use_one_access = 0 //If the airlock should require ALL or only ONE of the listed accesses.
@@ -266,8 +266,10 @@ obj/item/weapon/construction
 						airlock_type = /obj/machinery/door/airlock/external
 					if("High Security")
 						airlock_type = /obj/machinery/door/airlock/highsecurity
+				airlock_glass = FALSE
 			else
 				airlock_type = /obj/machinery/door/airlock
+				airlock_glass = FALSE
 
 		if("Glass")
 			if(advanced_airlock_setting == 1)
@@ -289,10 +291,13 @@ obj/item/weapon/construction
 						airlock_type = /obj/machinery/door/airlock/glass_research
 					if("Mining")
 						airlock_type = /obj/machinery/door/airlock/glass_mining
+				airlock_glass = TRUE
 			else
 				airlock_type = /obj/machinery/door/airlock/glass
+				airlock_glass = TRUE
 		else
 			airlock_type = /obj/machinery/door/airlock
+			airlock_glass = FALSE
 
 
 /obj/item/weapon/construction/rcd/proc/rcd_create(atom/A, mob/user)
diff --git a/code/game/objects/structures/grille.dm b/code/game/objects/structures/grille.dm
index 4b912923a2..1f6426753b 100644
--- a/code/game/objects/structures/grille.dm
+++ b/code/game/objects/structures/grille.dm
@@ -23,7 +23,9 @@
 		if(RCD_DECONSTRUCT)
 			return list("mode" = RCD_DECONSTRUCT, "delay" = 20, "cost" = 5)
 		if(RCD_WINDOWGRILLE)
-			return list("mode" = RCD_WINDOWGRILLE, "delay" = 40, "cost" = 10)
+			if(the_rcd.window_type == /obj/structure/window/reinforced/fulltile)
+				return list("mode" = RCD_WINDOWGRILLE, "delay" = 40, "cost" = 12)
+			else return list("mode" = RCD_WINDOWGRILLE, "delay" = 20, "cost" = 8)
 	return FALSE
 
 /obj/structure/grille/rcd_act(mob/user, var/obj/item/weapon/construction/rcd/the_rcd, passed_mode)
diff --git a/code/game/turfs/simulated/floor.dm b/code/game/turfs/simulated/floor.dm
index c1993677f3..2fb5b03aca 100644
--- a/code/game/turfs/simulated/floor.dm
+++ b/code/game/turfs/simulated/floor.dm
@@ -206,11 +206,13 @@
 		if(RCD_FLOORWALL)
 			return list("mode" = RCD_FLOORWALL, "delay" = 20, "cost" = 16)
 		if(RCD_AIRLOCK)
-			return list("mode" = RCD_AIRLOCK, "delay" = 50, "cost" = 16)
+			if(the_rcd.airlock_glass)
+				return list("mode" = RCD_AIRLOCK, "delay" = 50, "cost" = 20)
+			else return list("mode" = RCD_AIRLOCK, "delay" = 50, "cost" = 16)
 		if(RCD_DECONSTRUCT)
 			return list("mode" = RCD_DECONSTRUCT, "delay" = 50, "cost" = 33)
 		if(RCD_WINDOWGRILLE)
-			return list("mode" = RCD_WINDOWGRILLE, "delay" = 40, "cost" = 4)
+			return list("mode" = RCD_WINDOWGRILLE, "delay" = 10, "cost" = 4)
 	return FALSE
 
 /turf/open/floor/rcd_act(mob/user, obj/item/weapon/construction/rcd/the_rcd, passed_mode)
diff --git a/code/game/turfs/space/space.dm b/code/game/turfs/space/space.dm
index bac25e68c0..e25ce336bb 100644
--- a/code/game/turfs/space/space.dm
+++ b/code/game/turfs/space/space.dm
@@ -173,7 +173,10 @@
 
 	switch(the_rcd.mode)
 		if(RCD_FLOORWALL)
-			return list("mode" = RCD_FLOORWALL, "delay" = 0, "cost" = 2)
+			var/obj/structure/lattice/L = locate(/obj/structure/lattice, src)
+			if(L)
+				return list("mode" = RCD_FLOORWALL, "delay" = 0, "cost" = 1)
+			else return list("mode" = RCD_FLOORWALL, "delay" = 0, "cost" = 3)
 	return FALSE
 
 /turf/open/space/rcd_act(mob/user, obj/item/weapon/construction/rcd/the_rcd, passed_mode)