diff --git a/api/buildcraft/api/blueprints/Schematic.java b/api/buildcraft/api/blueprints/Schematic.java
index 9b89114b..8a993868 100755
--- a/api/buildcraft/api/blueprints/Schematic.java
+++ b/api/buildcraft/api/blueprints/Schematic.java
@@ -80,25 +80,13 @@ public abstract class Schematic {
 		ItemStack stack = slot.getStackInSlot();
 		ItemStack result = stack.copy();
 
-		if (stack.isItemStackDamageable()) {
-			if (req.getItemDamage() + stack.getItemDamage() <= stack.getMaxDamage()) {
-				stack.setItemDamage(req.getItemDamage() + stack.getItemDamage());
-				result.setItemDamage(req.getItemDamage());
-				req.stackSize = 0;
-			}
-
-			if (stack.getItemDamage() >= stack.getMaxDamage()) {
-				slot.decreaseStackInSlot(1);
-			}
+		if (stack.stackSize >= req.stackSize) {
+			result.stackSize = req.stackSize;
+			stack.stackSize -= req.stackSize;
+			req.stackSize = 0;
 		} else {
-			if (stack.stackSize >= req.stackSize) {
-				result.stackSize = req.stackSize;
-				stack.stackSize -= req.stackSize;
-				req.stackSize = 0;
-			} else {
-				req.stackSize -= stack.stackSize;
-				stack.stackSize = 0;
-			}
+			req.stackSize -= stack.stackSize;
+			stack.stackSize = 0;
 		}
 
 		if (stack.stackSize == 0) {
diff --git a/common/buildcraft/core/blueprints/BptBuilderBlueprint.java b/common/buildcraft/core/blueprints/BptBuilderBlueprint.java
index 87758b99..815cdac7 100644
--- a/common/buildcraft/core/blueprints/BptBuilderBlueprint.java
+++ b/common/buildcraft/core/blueprints/BptBuilderBlueprint.java
@@ -526,6 +526,8 @@ public class BptBuilderBlueprint extends BptBuilderBase {
 			return !(builder.energyAvailable() < slot.getEnergyRequirement(stacksUsed));
 		}
 
+		IInventory invCopy = new InventoryCopy(builder);
+
 		for (ItemStack reqStk : tmpReq) {
 			boolean itemBlock = reqStk.getItem() instanceof ItemBlock;
 			Fluid fluid = itemBlock ? FluidRegistry.lookupFluidForBlock(((ItemBlock) reqStk.getItem()).field_150939_a) : null;
@@ -534,7 +536,7 @@ public class BptBuilderBlueprint extends BptBuilderBase {
 				continue;
 			}
 
-			for (IInvSlot slotInv : InventoryIterator.getIterable(new InventoryCopy(builder), ForgeDirection.UNKNOWN)) {
+			for (IInvSlot slotInv : InventoryIterator.getIterable(invCopy, ForgeDirection.UNKNOWN)) {
 				if (!builder.isBuildingMaterialSlot(slotInv.getIndex())) {
 					continue;
 				}