diff --git a/src/main/java/com/hbm/main/ResourceManager.java b/src/main/java/com/hbm/main/ResourceManager.java
index ab9d70eb6..7d616962c 100644
--- a/src/main/java/com/hbm/main/ResourceManager.java
+++ b/src/main/java/com/hbm/main/ResourceManager.java
@@ -336,6 +336,8 @@ public class ResourceManager {
 	public static final ResourceLocation pheo_fire_door_orange_tex = new ResourceLocation(RefStrings.MODID, "textures/models/pheodoors/fire_door_orange.png");
 	public static IModelCustomNamed pheo_fire_door = new HFRWavefrontObject(new ResourceLocation(RefStrings.MODID, "models/pheodoors/fire_door.obj")).asVBO();
 	public static final ResourceLocation pheo_airlock_door_tex = new ResourceLocation(RefStrings.MODID, "textures/models/pheodoors/airlock_door.png");
+	public static final ResourceLocation pheo_airlock_door_clean_tex = new ResourceLocation(RefStrings.MODID, "textures/models/pheodoors/airlock_door_clean.png");
+	public static final ResourceLocation pheo_airlock_door_green_tex = new ResourceLocation(RefStrings.MODID, "textures/models/pheodoors/airlock_door_green.png");
 	public static IModelCustomNamed pheo_airlock_door = new HFRWavefrontObject(new ResourceLocation(RefStrings.MODID, "models/pheodoors/airlock_door.obj")).asVBO();
 	public static final ResourceLocation pheo_blast_door_tex = new ResourceLocation(RefStrings.MODID, "textures/models/pheodoors/blast_door.png");
 	public static IModelCustomNamed pheo_blast_door = new HFRWavefrontObject(new ResourceLocation(RefStrings.MODID, "models/pheodoors/blast_door.obj")).asVBO();
diff --git a/src/main/java/com/hbm/render/item/ItemRenderLibrary.java b/src/main/java/com/hbm/render/item/ItemRenderLibrary.java
index 4be2fd6bc..ff685bdb9 100644
--- a/src/main/java/com/hbm/render/item/ItemRenderLibrary.java
+++ b/src/main/java/com/hbm/render/item/ItemRenderLibrary.java
@@ -12,7 +12,6 @@ import com.hbm.items.weapon.ItemAmmoHIMARS.HIMARSRocket;
 import com.hbm.main.ResourceManager;
 import com.hbm.render.tileentity.RenderBobble;
 import com.hbm.render.tileentity.RenderDemonLamp;
-import com.hbm.util.Clock;
 
 import net.minecraft.client.Minecraft;
 import net.minecraft.client.renderer.OpenGlHelper;
@@ -26,6 +25,7 @@ public class ItemRenderLibrary {
 	public static HashMap<Item, ItemRenderBase> renderers = new HashMap();
 
 	public static void init() {
+		ItemRenderLibraryDoors.init();
 
 		renderers.put(Item.getItemFromBlock(ModBlocks.obj_tester), new ItemRenderBase() {
 			public void renderInventory() {
@@ -595,186 +595,6 @@ public class ItemRenderLibrary {
 		        bindTexture(ResourceManager.satdock_tex); ResourceManager.satDock.renderAll();
 			}});
 
-		renderers.put(Item.getItemFromBlock(ModBlocks.vault_door), new ItemRenderBase() {
-			public void renderInventory() {
-				GL11.glTranslated(0, -5, 0);
-				GL11.glScaled(3, 3, 3);
-			}
-			public void renderCommon() {
-		        bindTexture(ResourceManager.vault_cog_tex); ResourceManager.vault_cog.renderAll();
-		        bindTexture(ResourceManager.vault_label_101_tex); ResourceManager.vault_label.renderAll();
-			}});
-		renderers.put(Item.getItemFromBlock(ModBlocks.secure_access_door), new ItemRenderBase(){
-			public void renderInventory() {
-				GL11.glTranslated(0, -3.75, 0);
-				GL11.glScaled(2.4, 2.4, 2.4);
-			}
-			public void renderCommon() {
-				GL11.glTranslated(0, 1, 0);
-				bindTexture(ResourceManager.pheo_secure_door_tex);
-				GL11.glShadeModel(GL11.GL_SMOOTH);
-				ResourceManager.pheo_secure_door.renderAll();
-				GL11.glShadeModel(GL11.GL_FLAT);
-			}
-		});
-		
-		renderers.put(Item.getItemFromBlock(ModBlocks.fire_door), new ItemRenderBase(){
-			public void renderInventory() {
-				GL11.glTranslated(0, -3, 0);
-				GL11.glScaled(3.5, 3.5, 3.5);
-			}
-			public void renderCommon() {
-				int index = (int) ((Clock.get_ms() % 3000) / 1000);
-				Minecraft.getMinecraft().getTextureManager().bindTexture(
-						index == 2 ? ResourceManager.pheo_fire_door_orange_tex :
-						index == 1 ? ResourceManager.pheo_fire_door_black_tex :
-						ResourceManager.pheo_fire_door_tex);
-				GL11.glRotated(90, 0, 1, 0);
-				GL11.glShadeModel(GL11.GL_SMOOTH);
-				ResourceManager.pheo_fire_door.renderAll();
-				GL11.glShadeModel(GL11.GL_FLAT);
-			}
-		});
-		
-		renderers.put(Item.getItemFromBlock(ModBlocks.sliding_blast_door), new ItemRenderBase(){
-			public void renderInventory() {
-				GL11.glTranslated(0, -2.75, 0);
-				GL11.glScaled(2.5, 2.5, 2.5);
-			}
-			public void renderCommon() {
-				bindTexture(ResourceManager.pheo_blast_door_tex);
-				GL11.glShadeModel(GL11.GL_SMOOTH);
-				ResourceManager.pheo_blast_door.renderAll();
-				GL11.glShadeModel(GL11.GL_FLAT);
-			}
-		});
-
-		renderers.put(Item.getItemFromBlock(ModBlocks.large_vehicle_door), new ItemRenderBase(){
-			public void renderInventory() {
-				GL11.glTranslated(0, -4, 0);
-				GL11.glScaled(1.8, 1.8, 1.8);
-			}
-			public void renderCommon() {
-				GL11.glRotated(90, 0, 1, 0);
-				bindTexture(ResourceManager.pheo_vehicle_door_tex);
-				GL11.glShadeModel(GL11.GL_SMOOTH);
-				ResourceManager.pheo_vehicle_door.renderAll();
-				GL11.glShadeModel(GL11.GL_FLAT);
-			}
-		});
-		renderers.put(Item.getItemFromBlock(ModBlocks.water_door), new ItemRenderBase(){
-			public void renderInventory() {
-				GL11.glTranslated(0, -4, 0);
-				GL11.glScaled(4, 4, 4);
-			}
-			public void renderCommon() {
-				GL11.glRotated(90, 0, 1, 0);
-				bindTexture(ResourceManager.pheo_water_door_tex);
-				GL11.glShadeModel(GL11.GL_SMOOTH);
-				ResourceManager.pheo_water_door.renderAll();
-				GL11.glShadeModel(GL11.GL_FLAT);
-			}
-		});
-		renderers.put(Item.getItemFromBlock(ModBlocks.silo_hatch), new ItemRenderBase(){
-			public void renderInventory() {
-				GL11.glTranslated(0, -2, 0);
-				GL11.glScaled(2, 2, 2);
-			}
-			public void renderCommon() {
-				bindTexture(ResourceManager.silo_hatch_tex);
-				GL11.glShadeModel(GL11.GL_SMOOTH);
-				GL11.glRotated(90, 0, 1, 0);
-				ResourceManager.silo_hatch.renderPart("Frame");
-				GL11.glTranslated(0, 0.875, -1.875);
-				GL11.glRotated(-120, 1, 0, 0);
-				GL11.glTranslated(0, -0.875, 1.875);
-				GL11.glTranslated(0, 0.25, 0);
-				ResourceManager.silo_hatch.renderPart("Hatch");
-				GL11.glShadeModel(GL11.GL_FLAT);
-			}
-		});
-		renderers.put(Item.getItemFromBlock(ModBlocks.silo_hatch_large), new ItemRenderBase(){
-			public void renderInventory() {
-				GL11.glTranslated(0, -2, 0);
-				GL11.glScaled(1.5, 1.5, 1.5);
-			}
-			public void renderCommon() {
-				bindTexture(ResourceManager.silo_hatch_large_tex);
-				GL11.glShadeModel(GL11.GL_SMOOTH);
-				GL11.glTranslated(1, 0, 0);
-				GL11.glRotated(90, 0, 1, 0);
-				ResourceManager.silo_hatch_large.renderPart("Frame");
-				GL11.glTranslated(0, 0.875, -2.875);
-				GL11.glRotated(-120, 1, 0, 0);
-				GL11.glTranslated(0, -0.875, 2.875);
-				GL11.glTranslated(0, 0.25, 0);
-				ResourceManager.silo_hatch_large.renderPart("Hatch");
-				GL11.glShadeModel(GL11.GL_FLAT);
-			}
-		});
-		renderers.put(Item.getItemFromBlock(ModBlocks.qe_containment), new ItemRenderBase(){
-			public void renderInventory() {
-				GL11.glTranslated(0, -3.5, 0);
-				GL11.glScaled(3.8, 3.8, 3.8);
-			}
-			public void renderCommon() {
-				bindTexture(ResourceManager.pheo_containment_door_tex);
-				GL11.glShadeModel(GL11.GL_SMOOTH);
-				ResourceManager.pheo_containment_door.renderAll();
-				GL11.glShadeModel(GL11.GL_FLAT);
-			}
-		});
-		renderers.put(Item.getItemFromBlock(ModBlocks.qe_sliding_door), new ItemRenderBase(){
-			public void renderInventory() {
-				GL11.glTranslated(0, -3, 0);
-				GL11.glScaled(5, 5, 5);
-			}
-			public void renderCommon() {
-				bindTexture(ResourceManager.pheo_sliding_door_tex);
-				GL11.glShadeModel(GL11.GL_SMOOTH);
-				ResourceManager.pheo_sliding_door.renderAll();
-				GL11.glShadeModel(GL11.GL_FLAT);
-			}
-		});
-
-		renderers.put(Item.getItemFromBlock(ModBlocks.round_airlock_door), new ItemRenderBase(){
-			public void renderInventory() {
-				GL11.glTranslated(0, -3.75, 0);
-				GL11.glScaled(3, 3, 3);
-			}
-			public void renderCommon() {
-				bindTexture(ResourceManager.pheo_airlock_door_tex);
-				GL11.glShadeModel(GL11.GL_SMOOTH);
-				ResourceManager.pheo_airlock_door.renderAll();
-				GL11.glShadeModel(GL11.GL_FLAT);
-			}
-		});
-
-		renderers.put(Item.getItemFromBlock(ModBlocks.sliding_seal_door), new ItemRenderBase(){
-			public void renderInventory() {
-				GL11.glTranslated(0, -5, 0);
-				GL11.glScaled(7, 7, 7);
-			}
-			public void renderCommon() {
-				bindTexture(ResourceManager.pheo_seal_door_tex);
-				GL11.glShadeModel(GL11.GL_SMOOTH);
-				ResourceManager.pheo_seal_door.renderAll();
-				GL11.glShadeModel(GL11.GL_FLAT);
-			}
-		});
-
-		renderers.put(Item.getItemFromBlock(ModBlocks.blast_door), new ItemRenderBase() {
-			public void renderInventory() {
-				GL11.glTranslated(0, -3, 0);
-				GL11.glScaled(3, 3, 3);
-			}
-			public void renderCommon() {
-		        bindTexture(ResourceManager.blast_door_base_tex); ResourceManager.blast_door_base.renderAll();
-		        bindTexture(ResourceManager.blast_door_tooth_tex); ResourceManager.blast_door_tooth.renderAll();
-		        bindTexture(ResourceManager.blast_door_slider_tex); ResourceManager.blast_door_slider.renderAll();
-		        bindTexture(ResourceManager.blast_door_block_tex); ResourceManager.blast_door_block.renderAll();
-			}});
-
 		renderers.put(Item.getItemFromBlock(ModBlocks.machine_microwave), new ItemRenderBase() {
 			public void renderInventory() {
 				GL11.glTranslated(0, -4, 4);
diff --git a/src/main/java/com/hbm/render/item/ItemRenderLibraryDoors.java b/src/main/java/com/hbm/render/item/ItemRenderLibraryDoors.java
new file mode 100644
index 000000000..95a0bd537
--- /dev/null
+++ b/src/main/java/com/hbm/render/item/ItemRenderLibraryDoors.java
@@ -0,0 +1,211 @@
+package com.hbm.render.item;
+
+import org.lwjgl.opengl.GL11;
+
+import com.hbm.blocks.ModBlocks;
+import com.hbm.interfaces.NotableComments;
+import com.hbm.main.ResourceManager;
+import com.hbm.tileentity.DoorDecl;
+
+import net.minecraft.client.Minecraft;
+import net.minecraft.item.Item;
+import net.minecraft.util.ResourceLocation;
+
+// the ItemRenderLibrary system sucks and is ugly as hell but it's the quickest way of doing it
+// due to the sheer size if this stupid fucking class i just janked this part out into its own thing
+// that way, code hotswap doesn't take 5 years to work while vomitting out error messages like
+// i vomitted out that 20 pack of soggy chicken nuggets last year
+// still a better use of €15 than hollow knight
+@NotableComments
+public class ItemRenderLibraryDoors {
+
+	public static void init() {
+
+		ItemRenderLibrary.renderers.put(Item.getItemFromBlock(ModBlocks.vault_door), new ItemRenderBase() {
+			public void renderInventory() {
+				GL11.glTranslated(0, -5, 0);
+				GL11.glScaled(3, 3, 3);
+			}
+			public void renderCommon() {
+				bindTexture(ResourceManager.vault_cog_tex); ResourceManager.vault_cog.renderAll();
+				bindTexture(ResourceManager.vault_label_101_tex); ResourceManager.vault_label.renderAll();
+			}
+		});
+		
+		ItemRenderLibrary.renderers.put(Item.getItemFromBlock(ModBlocks.secure_access_door), new ItemRenderBase(){
+			public void renderInventory() {
+				GL11.glTranslated(0, -3.75, 0);
+				GL11.glScaled(2.4, 2.4, 2.4);
+			}
+			public void renderCommon() {
+				GL11.glTranslated(0, 1, 0);
+				Minecraft.getMinecraft().getTextureManager().bindTexture(DoorDecl.SECURE_ACCESS_DOOR.getCyclingSkins());
+				GL11.glShadeModel(GL11.GL_SMOOTH);
+				ResourceManager.pheo_secure_door.renderAll();
+				GL11.glShadeModel(GL11.GL_FLAT);
+			}
+		});
+		
+		ItemRenderLibrary.renderers.put(Item.getItemFromBlock(ModBlocks.fire_door), new ItemRenderBase(){
+			public void renderInventory() {
+				GL11.glTranslated(0, -3, 0);
+				GL11.glScaled(3.5, 3.5, 3.5);
+			}
+			public void renderCommon() {
+				Minecraft.getMinecraft().getTextureManager().bindTexture(DoorDecl.FIRE_DOOR.getCyclingSkins());
+				GL11.glRotated(90, 0, 1, 0);
+				GL11.glShadeModel(GL11.GL_SMOOTH);
+				ResourceManager.pheo_fire_door.renderAll();
+				GL11.glShadeModel(GL11.GL_FLAT);
+			}
+		});
+		
+		ItemRenderLibrary.renderers.put(Item.getItemFromBlock(ModBlocks.sliding_blast_door), new ItemRenderBase(){
+			public void renderInventory() {
+				GL11.glTranslated(0, -2.75, 0);
+				GL11.glScaled(2.5, 2.5, 2.5);
+			}
+			public void renderCommon() {
+				bindTexture(ResourceManager.pheo_blast_door_tex);
+				GL11.glShadeModel(GL11.GL_SMOOTH);
+				ResourceManager.pheo_blast_door.renderAll();
+				GL11.glShadeModel(GL11.GL_FLAT);
+			}
+		});
+
+		ItemRenderLibrary.renderers.put(Item.getItemFromBlock(ModBlocks.large_vehicle_door), new ItemRenderBase(){
+			public void renderInventory() {
+				GL11.glTranslated(0, -4, 0);
+				GL11.glScaled(1.8, 1.8, 1.8);
+			}
+			public void renderCommon() {
+				GL11.glRotated(90, 0, 1, 0);
+				bindTexture(ResourceManager.pheo_vehicle_door_tex);
+				GL11.glShadeModel(GL11.GL_SMOOTH);
+				ResourceManager.pheo_vehicle_door.renderAll();
+				GL11.glShadeModel(GL11.GL_FLAT);
+			}
+		});
+		
+		ItemRenderLibrary.renderers.put(Item.getItemFromBlock(ModBlocks.water_door), new ItemRenderBase(){
+			public void renderInventory() {
+				GL11.glTranslated(0, -4, 0);
+				GL11.glScaled(4, 4, 4);
+			}
+			public void renderCommon() {
+				GL11.glRotated(90, 0, 1, 0);
+				bindTexture(ResourceManager.pheo_water_door_tex);
+				GL11.glShadeModel(GL11.GL_SMOOTH);
+				ResourceManager.pheo_water_door.renderAll();
+				GL11.glShadeModel(GL11.GL_FLAT);
+			}
+		});
+		
+		ItemRenderLibrary.renderers.put(Item.getItemFromBlock(ModBlocks.silo_hatch), new ItemRenderBase(){
+			public void renderInventory() {
+				GL11.glTranslated(0, -2, 0);
+				GL11.glScaled(2, 2, 2);
+			}
+			public void renderCommon() {
+				bindTexture(ResourceManager.silo_hatch_tex);
+				GL11.glShadeModel(GL11.GL_SMOOTH);
+				GL11.glRotated(90, 0, 1, 0);
+				ResourceManager.silo_hatch.renderPart("Frame");
+				GL11.glTranslated(0, 0.875, -1.875);
+				GL11.glRotated(-120, 1, 0, 0);
+				GL11.glTranslated(0, -0.875, 1.875);
+				GL11.glTranslated(0, 0.25, 0);
+				ResourceManager.silo_hatch.renderPart("Hatch");
+				GL11.glShadeModel(GL11.GL_FLAT);
+			}
+		});
+		
+		ItemRenderLibrary.renderers.put(Item.getItemFromBlock(ModBlocks.silo_hatch_large), new ItemRenderBase(){
+			public void renderInventory() {
+				GL11.glTranslated(0, -2, 0);
+				GL11.glScaled(1.5, 1.5, 1.5);
+			}
+			public void renderCommon() {
+				bindTexture(ResourceManager.silo_hatch_large_tex);
+				GL11.glShadeModel(GL11.GL_SMOOTH);
+				GL11.glTranslated(1, 0, 0);
+				GL11.glRotated(90, 0, 1, 0);
+				ResourceManager.silo_hatch_large.renderPart("Frame");
+				GL11.glTranslated(0, 0.875, -2.875);
+				GL11.glRotated(-120, 1, 0, 0);
+				GL11.glTranslated(0, -0.875, 2.875);
+				GL11.glTranslated(0, 0.25, 0);
+				ResourceManager.silo_hatch_large.renderPart("Hatch");
+				GL11.glShadeModel(GL11.GL_FLAT);
+			}
+		});
+		
+		ItemRenderLibrary.renderers.put(Item.getItemFromBlock(ModBlocks.qe_containment), new ItemRenderBase(){
+			public void renderInventory() {
+				GL11.glTranslated(0, -3.5, 0);
+				GL11.glScaled(3.8, 3.8, 3.8);
+			}
+			public void renderCommon() {
+				bindTexture(ResourceManager.pheo_containment_door_tex);
+				GL11.glShadeModel(GL11.GL_SMOOTH);
+				ResourceManager.pheo_containment_door.renderAll();
+				GL11.glShadeModel(GL11.GL_FLAT);
+			}
+		});
+		
+		ItemRenderLibrary.renderers.put(Item.getItemFromBlock(ModBlocks.qe_sliding_door), new ItemRenderBase(){
+			public void renderInventory() {
+				GL11.glTranslated(0, -3, 0);
+				GL11.glScaled(5, 5, 5);
+			}
+			public void renderCommon() {
+				bindTexture(ResourceManager.pheo_sliding_door_tex);
+				GL11.glShadeModel(GL11.GL_SMOOTH);
+				ResourceManager.pheo_sliding_door.renderAll();
+				GL11.glShadeModel(GL11.GL_FLAT);
+			}
+		});
+
+		ItemRenderLibrary.renderers.put(Item.getItemFromBlock(ModBlocks.round_airlock_door), new ItemRenderBase(){
+			public void renderInventory() {
+				GL11.glTranslated(0, -3.75, 0);
+				GL11.glScaled(3, 3, 3);
+			}
+			public void renderCommon() {
+				Minecraft.getMinecraft().getTextureManager().bindTexture(DoorDecl.ROUND_AIRLOCK_DOOR.getCyclingSkins());
+				GL11.glShadeModel(GL11.GL_SMOOTH);
+				ResourceManager.pheo_airlock_door.renderAll();
+				GL11.glShadeModel(GL11.GL_FLAT);
+			}
+		});
+
+		ItemRenderLibrary.renderers.put(Item.getItemFromBlock(ModBlocks.sliding_seal_door), new ItemRenderBase(){
+			public void renderInventory() {
+				GL11.glTranslated(0, -5, 0);
+				GL11.glScaled(7, 7, 7);
+			}
+			public void renderCommon() {
+				bindTexture(ResourceManager.pheo_seal_door_tex);
+				GL11.glShadeModel(GL11.GL_SMOOTH);
+				ResourceManager.pheo_seal_door.renderAll();
+				GL11.glShadeModel(GL11.GL_FLAT);
+			}
+		});
+
+		ItemRenderLibrary.renderers.put(Item.getItemFromBlock(ModBlocks.blast_door), new ItemRenderBase() {
+			public void renderInventory() {
+				GL11.glTranslated(0, -3, 0);
+				GL11.glScaled(3, 3, 3);
+			}
+			public void renderCommon() {
+				bindTexture(ResourceManager.blast_door_base_tex); ResourceManager.blast_door_base.renderAll();
+				bindTexture(ResourceManager.blast_door_tooth_tex); ResourceManager.blast_door_tooth.renderAll();
+				bindTexture(ResourceManager.blast_door_slider_tex); ResourceManager.blast_door_slider.renderAll();
+				bindTexture(ResourceManager.blast_door_block_tex); ResourceManager.blast_door_block.renderAll();
+			}});
+	}
+
+	private static void bindTexture(ResourceLocation res) {
+		Minecraft.getMinecraft().renderEngine.bindTexture(res);
+	}
+}
diff --git a/src/main/java/com/hbm/render/tileentity/door/RenderAirlockDoor.java b/src/main/java/com/hbm/render/tileentity/door/RenderAirlockDoor.java
index 34d06cf5c..63aea4464 100644
--- a/src/main/java/com/hbm/render/tileentity/door/RenderAirlockDoor.java
+++ b/src/main/java/com/hbm/render/tileentity/door/RenderAirlockDoor.java
@@ -5,6 +5,7 @@ import java.nio.DoubleBuffer;
 import org.lwjgl.opengl.GL11;
 
 import com.hbm.main.ResourceManager;
+import com.hbm.tileentity.DoorDecl;
 import com.hbm.tileentity.TileEntityDoorGeneric;
 
 import net.minecraft.client.Minecraft;
@@ -17,7 +18,7 @@ public class RenderAirlockDoor implements IRenderDoors {
 	@Override
 	public void render(TileEntityDoorGeneric door, DoubleBuffer buf) {
 		
-		Minecraft.getMinecraft().getTextureManager().bindTexture(ResourceManager.pheo_airlock_door_tex);
+		Minecraft.getMinecraft().getTextureManager().bindTexture(DoorDecl.ROUND_AIRLOCK_DOOR.getSkinFromIndex(door.getSkinIndex()));
 		
 		double maxOpen = 1.5;
 		double open = 0;
diff --git a/src/main/java/com/hbm/render/tileentity/door/RenderFireDoor.java b/src/main/java/com/hbm/render/tileentity/door/RenderFireDoor.java
index a45958820..97787b158 100644
--- a/src/main/java/com/hbm/render/tileentity/door/RenderFireDoor.java
+++ b/src/main/java/com/hbm/render/tileentity/door/RenderFireDoor.java
@@ -5,6 +5,7 @@ import java.nio.DoubleBuffer;
 import org.lwjgl.opengl.GL11;
 
 import com.hbm.main.ResourceManager;
+import com.hbm.tileentity.DoorDecl;
 import com.hbm.tileentity.TileEntityDoorGeneric;
 
 import net.minecraft.client.Minecraft;
@@ -17,10 +18,7 @@ public class RenderFireDoor implements IRenderDoors {
 	@Override
 	public void render(TileEntityDoorGeneric door, DoubleBuffer buf) {
 		
-		Minecraft.getMinecraft().getTextureManager().bindTexture(
-				door.getSkinIndex() == 2 ? ResourceManager.pheo_fire_door_orange_tex :
-				door.getSkinIndex() == 1 ? ResourceManager.pheo_fire_door_black_tex :
-					ResourceManager.pheo_fire_door_tex);
+		Minecraft.getMinecraft().getTextureManager().bindTexture(DoorDecl.FIRE_DOOR.getSkinFromIndex(door.getSkinIndex()));
 		
 		double maxRaise = 2.75;
 		double raise = 0;
diff --git a/src/main/java/com/hbm/render/tileentity/door/RenderSecureDoor.java b/src/main/java/com/hbm/render/tileentity/door/RenderSecureDoor.java
index 8ce9be891..ee03079eb 100644
--- a/src/main/java/com/hbm/render/tileentity/door/RenderSecureDoor.java
+++ b/src/main/java/com/hbm/render/tileentity/door/RenderSecureDoor.java
@@ -5,6 +5,7 @@ import java.nio.DoubleBuffer;
 import org.lwjgl.opengl.GL11;
 
 import com.hbm.main.ResourceManager;
+import com.hbm.tileentity.DoorDecl;
 import com.hbm.tileentity.TileEntityDoorGeneric;
 
 import net.minecraft.client.Minecraft;
@@ -17,10 +18,7 @@ public class RenderSecureDoor implements IRenderDoors {
 	@Override
 	public void render(TileEntityDoorGeneric door, DoubleBuffer buf) {
 		
-		Minecraft.getMinecraft().getTextureManager().bindTexture(
-				door.getSkinIndex() == 1 ?
-				ResourceManager.pheo_secure_door_grey_tex :
-				ResourceManager.pheo_secure_door_tex);
+		Minecraft.getMinecraft().getTextureManager().bindTexture(DoorDecl.SECURE_ACCESS_DOOR.getSkinFromIndex(door.getSkinIndex()));
 		
 		double maxRaise = 3.5;
 		double raise = 0;
diff --git a/src/main/java/com/hbm/tileentity/DoorDecl.java b/src/main/java/com/hbm/tileentity/DoorDecl.java
index b2b6de1f3..185a6f58e 100644
--- a/src/main/java/com/hbm/tileentity/DoorDecl.java
+++ b/src/main/java/com/hbm/tileentity/DoorDecl.java
@@ -10,6 +10,8 @@ import com.hbm.render.anim.BusAnimationSequence;
 import com.hbm.render.loader.IModelCustomNamed;
 import com.hbm.render.tileentity.door.*;
 import com.hbm.util.BobMathUtil;
+import com.hbm.util.Clock;
+
 import cpw.mods.fml.relauncher.Side;
 import cpw.mods.fml.relauncher.SideOnly;
 import net.minecraft.util.AxisAlignedBB;
@@ -119,7 +121,13 @@ public abstract class DoorDecl {
 			return null;
 		}
 
-		@Override public int getSkinCount() { return 3; }
+		public final ResourceLocation[] skins = new ResourceLocation[] {
+				ResourceManager.pheo_fire_door_tex,
+				ResourceManager.pheo_fire_door_black_tex,
+				ResourceManager.pheo_fire_door_orange_tex,
+		};
+		
+		@Override public ResourceLocation[] getSEDNASkins() { return skins; }
 
 		@Override public int timeToOpen() { return 160; }
 		@Override public int[][] getDoorOpenRanges() { return new int[][] { { -1, 0, 0, 3, 4, 1 } }; }
@@ -127,19 +135,12 @@ public abstract class DoorDecl {
 
 		@Override
 		public AxisAlignedBB getBlockBound(int x, int y, int z, boolean open, boolean forCollision) {
-			if(!open)
-				return AxisAlignedBB.getBoundingBox(0, 0, 0, 1, 1, 1);
-			if(z == 1) {
-				return AxisAlignedBB.getBoundingBox(0.5, 0, 0, 1, 1, 1);
-			} else if(z == -2) {
-				return AxisAlignedBB.getBoundingBox(0, 0, 0, 0.5, 1, 1);
-			} else if(y > 1) {
-				return AxisAlignedBB.getBoundingBox(0, 0.75, 0, 1, 1, 1);
-			} else if(y == 0) {
-				return AxisAlignedBB.getBoundingBox(0, 0, 0, 1, forCollision ? 0 : 0.1, 1);
-			} else {
-				return super.getBlockBound(x, y, z, open, forCollision);
-			}
+			if(!open) return AxisAlignedBB.getBoundingBox(0, 0, 0, 1, 1, 1);
+			if(z == 1) return AxisAlignedBB.getBoundingBox(0.5, 0, 0, 1, 1, 1);
+			else if(z == -2) return AxisAlignedBB.getBoundingBox(0, 0, 0, 0.5, 1, 1);
+			else if(y > 1) return AxisAlignedBB.getBoundingBox(0, 0.75, 0, 1, 1, 1);
+			else if(y == 0) return AxisAlignedBB.getBoundingBox(0, 0, 0, 1, forCollision ? 0 : 0.1, 1);
+			else return super.getBlockBound(x, y, z, open, forCollision);
 		}
 	};
 
@@ -174,11 +175,8 @@ public abstract class DoorDecl {
 		@Override
 		public AxisAlignedBB getBlockBound(int x, int y, int z, boolean open, boolean forCollision) {
 			if(open) {
-				if(y == 3) {
-					return AxisAlignedBB.getBoundingBox(0, 0.5, 0, 1, 1, 1);
-				} else if(y == 0) {
-					return AxisAlignedBB.getBoundingBox(0, 0, 0, 1, forCollision ? 0 : 0.08, 1);
-				}
+				if(y == 3) return AxisAlignedBB.getBoundingBox(0, 0.5, 0, 1, 1, 1);
+				else if(y == 0) return AxisAlignedBB.getBoundingBox(0, 0, 0, 1, forCollision ? 0 : 0.08, 1);
 			}
 			return super.getBlockBound(x, y, z, open, forCollision);
 		}
@@ -208,11 +206,8 @@ public abstract class DoorDecl {
 
 		@Override
 		public AxisAlignedBB getBlockBound(int x, int y, int z, boolean open, boolean forCollision) {
-			if(forCollision && open) {
-				return AxisAlignedBB.getBoundingBox(0, 0, 0, 0, 0, 0);
-			} else {
-				return AxisAlignedBB.getBoundingBox(0, 0, 1 - 0.25, 1, 1, 1);
-			}
+			if(forCollision && open) return AxisAlignedBB.getBoundingBox(0, 0, 0, 0, 0, 0);
+			else return AxisAlignedBB.getBoundingBox(0, 0, 1 - 0.25, 1, 1, 1);
 		};
 
 		@Override public int[][] getDoorOpenRanges() { return new int[][] { { 0, 0, 0, 1, 2, 2 } }; }
@@ -246,26 +241,21 @@ public abstract class DoorDecl {
 		@Override
 		public AxisAlignedBB getBlockBound(int x, int y, int z, boolean open, boolean forCollision) {
 			if(!open) {
-				if(y > 0) {
-					return AxisAlignedBB.getBoundingBox(0, 0, 0.375, 1, 1, 0.625);
-				}
+				if(y > 0) return AxisAlignedBB.getBoundingBox(0, 0, 0.375, 1, 1, 0.625);
 				return AxisAlignedBB.getBoundingBox(0, 0, 0, 1, 1, 1);
 			}
-			if(y == 1) {
-				return AxisAlignedBB.getBoundingBox(0, 0, 0, 1, forCollision ? 0 : 0.0625, 1);
-			} else if(y == 4) {
-				return AxisAlignedBB.getBoundingBox(0, 0.5, 0.15, 1, 1, 0.85);
-			} else if(y == 0) {
-				return AxisAlignedBB.getBoundingBox(0, 0, 0, 1, 1, 1);
-			}else {
-				return super.getBlockBound(x, y, z, open, forCollision);
-			}
+			if(y == 1) return AxisAlignedBB.getBoundingBox(0, 0, 0, 1, forCollision ? 0 : 0.0625, 1);
+			else if(y == 4) return AxisAlignedBB.getBoundingBox(0, 0.5, 0.15, 1, 1, 0.85);
+			else if(y == 0) return AxisAlignedBB.getBoundingBox(0, 0, 0, 1, 1, 1);
+			else return super.getBlockBound(x, y, z, open, forCollision);
 		}
 
-		@Override
-		public int getSkinCount() {
-			return 2;
-		}
+		public final ResourceLocation[] skins = new ResourceLocation[] {
+				ResourceManager.pheo_secure_door_tex,
+				ResourceManager.pheo_secure_door_grey_tex
+		};
+		
+		@Override public ResourceLocation[] getSEDNASkins() { return skins; }
 	};
 
 	public static final DoorDecl ROUND_AIRLOCK_DOOR = new DoorDecl() {
@@ -286,19 +276,21 @@ public abstract class DoorDecl {
 			return null;
 		}
 
+		public final ResourceLocation[] skins = new ResourceLocation[] {
+				ResourceManager.pheo_airlock_door_tex,
+				ResourceManager.pheo_airlock_door_clean_tex,
+				ResourceManager.pheo_airlock_door_green_tex
+		};
+		
+		@Override public ResourceLocation[] getSEDNASkins() { return skins; }
+
 		@Override
 		public AxisAlignedBB getBlockBound(int x, int y, int z, boolean open, boolean forCollision) {
-			if(!open)
-				return super.getBlockBound(x, y, z, open, forCollision);
-			if(z == 1) {
-				return AxisAlignedBB.getBoundingBox(0.4, 0, 0, 1, 1, 1);
-			} else if(z == -2) {
-				return AxisAlignedBB.getBoundingBox(0, 0, 0, 0.6, 1, 1);
-			} else if(y == 3) {
-				return AxisAlignedBB.getBoundingBox(0, 0.5, 0, 1, 1, 1);
-			} else if(y == 0) {
-				return AxisAlignedBB.getBoundingBox(0, 0, 0, 1, forCollision ? 0 : 0.0625, 1);
-			}
+			if(!open) return super.getBlockBound(x, y, z, open, forCollision);
+			if(z == 1) return AxisAlignedBB.getBoundingBox(0.4, 0, 0, 1, 1, 1);
+			else if(z == -2) return AxisAlignedBB.getBoundingBox(0, 0, 0, 0.6, 1, 1);
+			else if(y == 3) return AxisAlignedBB.getBoundingBox(0, 0.5, 0, 1, 1, 1);
+			else if(y == 0) return AxisAlignedBB.getBoundingBox(0, 0, 0, 1, forCollision ? 0 : 0.0625, 1);
 			return super.getBlockBound(x, y, z, open, forCollision);
 		};
 
@@ -330,11 +322,8 @@ public abstract class DoorDecl {
 		@Override
 		public AxisAlignedBB getBlockBound(int x, int y, int z, boolean open, boolean forCollision) {
 			if(forCollision && open) {
-				if(z == 0) {
-					return AxisAlignedBB.getBoundingBox(1 - 0.125, 0, 1 - 0.1875, 1, 1, 1);
-				} else {
-					return AxisAlignedBB.getBoundingBox(0, 0, 1 - 0.1875, 0.125, 1, 1);
-				}
+				if(z == 0) return AxisAlignedBB.getBoundingBox(1 - 0.125, 0, 1 - 0.1875, 1, 1, 1);
+				else return AxisAlignedBB.getBoundingBox(0, 0, 1 - 0.1875, 0.125, 1, 1);
 			} else {
 				return AxisAlignedBB.getBoundingBox(0, 0, 1 - 0.1875, 1, 1, 1);
 			}
@@ -369,12 +358,9 @@ public abstract class DoorDecl {
 
 		@Override
 		public AxisAlignedBB getBlockBound(int x, int y, int z, boolean open, boolean forCollision) {
-			if(!open)
-				return AxisAlignedBB.getBoundingBox(0, 0, 0.5, 1, 1, 1);
-			if(y > 1)
-				return AxisAlignedBB.getBoundingBox(0, 0.25, 0.5, 1, 1, 1);
-			else if(y == 0)
-				return AxisAlignedBB.getBoundingBox(0, 0, 0.5, 1, forCollision ? 0 : 0.125, 1);
+			if(!open) return AxisAlignedBB.getBoundingBox(0, 0, 0.5, 1, 1, 1);
+			if(y > 1) return AxisAlignedBB.getBoundingBox(0, 0.25, 0.5, 1, 1, 1);
+			else if(y == 0) return AxisAlignedBB.getBoundingBox(0, 0, 0.5, 1, forCollision ? 0 : 0.125, 1);
 			return super.getBlockBound(x, y, z, open, forCollision);
 		};
 
@@ -407,13 +393,9 @@ public abstract class DoorDecl {
 
 		@Override
 		public AxisAlignedBB getBlockBound(int x, int y, int z, boolean open, boolean forCollision) {
-			if(!open) {
-				return AxisAlignedBB.getBoundingBox(0, 0, 0.75, 1, 1, 1);
-			} else if(y > 1) {
-				return AxisAlignedBB.getBoundingBox(0, 0.85, 0.75, 1, 1, 1);
-			} else if(y == 0) {
-				return AxisAlignedBB.getBoundingBox(0, 0, 0.75, 1, forCollision ? 0 : 0.15, 1);
-			}
+			if(!open) return AxisAlignedBB.getBoundingBox(0, 0, 0.75, 1, 1, 1);
+			else if(y > 1) return AxisAlignedBB.getBoundingBox(0, 0.85, 0.75, 1, 1, 1);
+			else if(y == 0) return AxisAlignedBB.getBoundingBox(0, 0, 0.75, 1, forCollision ? 0 : 0.15, 1);
 			return super.getBlockBound(x, y, z, open, forCollision);
 		};
 
@@ -551,15 +533,10 @@ public abstract class DoorDecl {
 
 		@Override
 		public AxisAlignedBB getBlockBound(int x, int y, int z, boolean open, boolean forCollision) {
-			if(!open)
-				return super.getBlockBound(x, y, z, open, forCollision);
-			if(z == 3) {
-				return AxisAlignedBB.getBoundingBox(0.4, 0, 0, 1, 1, 1);
-			} else if(z == -3) {
-				return AxisAlignedBB.getBoundingBox(0, 0, 0, 0.6, 1, 1);
-			} else if(y == 0) {
-				return AxisAlignedBB.getBoundingBox(0, 0, 0, 1, forCollision ? 0 : 0.0625, 1);
-			}
+			if(!open) return super.getBlockBound(x, y, z, open, forCollision);
+			if(z == 3) return AxisAlignedBB.getBoundingBox(0.4, 0, 0, 1, 1, 1);
+			else if(z == -3) return AxisAlignedBB.getBoundingBox(0, 0, 0, 0.6, 1, 1);
+			else if(y == 0) return AxisAlignedBB.getBoundingBox(0, 0, 0, 1, forCollision ? 0 : 0.0625, 1);
 			return super.getBlockBound(x, y, z, open, forCollision);
 		};
 
@@ -592,9 +569,6 @@ public abstract class DoorDecl {
 		return BobMathUtil.remap01_clamp(time, min, max);
 	}
 
-	public boolean hasSkins() { return getSkinCount() > 0; }
-	public int getSkinCount() { return 0; }
-
 	@SideOnly(Side.CLIENT)
 	public ResourceLocation getTextureForPart(String partName) {
 		return getTextureForPart(0, partName);
@@ -639,6 +613,26 @@ public abstract class DoorDecl {
 		f[2] = z;
 		return f;
 	}
+
+	public ResourceLocation[] getSEDNASkins() { return null; }
+	public boolean hasSkins() { return getSkinCount() > 0; }
+	
+	public int getSkinCount() {
+		ResourceLocation[] skins = this.getSEDNASkins();
+		if(skins == null || skins.length <= 1) return 0;
+		return skins.length;
+	}
+	
+	public ResourceLocation getCyclingSkins() {
+		ResourceLocation[] skins = this.getSEDNASkins();
+		int index = (int) ((Clock.get_ms() % (skins.length * 1000)) / 1000);
+		return skins[index];
+	}
+	
+	public ResourceLocation getSkinFromIndex(int index) {
+		ResourceLocation[] skins = this.getSEDNASkins();
+		return skins[Math.abs(index) % skins.length];
+	}
 	
 	// keyframe animation system sneakily stitched into the door decl
 	public IRenderDoors getSEDNARenderer() { return null; }
diff --git a/src/main/resources/assets/hbm/textures/models/pheodoors/airlock_door_clean.png b/src/main/resources/assets/hbm/textures/models/pheodoors/airlock_door_clean.png
new file mode 100644
index 000000000..3dbd5fbe3
Binary files /dev/null and b/src/main/resources/assets/hbm/textures/models/pheodoors/airlock_door_clean.png differ
diff --git a/src/main/resources/assets/hbm/textures/models/pheodoors/airlock_door_green.png b/src/main/resources/assets/hbm/textures/models/pheodoors/airlock_door_green.png
new file mode 100644
index 000000000..194599bbe
Binary files /dev/null and b/src/main/resources/assets/hbm/textures/models/pheodoors/airlock_door_green.png differ