diff --git a/src/main/java/com/raoulvdberge/refinedstorage/api/autocrafting/ICraftingPattern.java b/src/main/java/com/raoulvdberge/refinedstorage/api/autocrafting/ICraftingPattern.java
index 952601616..bf028f39b 100755
--- a/src/main/java/com/raoulvdberge/refinedstorage/api/autocrafting/ICraftingPattern.java
+++ b/src/main/java/com/raoulvdberge/refinedstorage/api/autocrafting/ICraftingPattern.java
@@ -35,6 +35,11 @@ public interface ICraftingPattern {
      */
     boolean isOredict();
 
+    /**
+     * @return true if the crafting pattern may block crafting step
+     */
+    boolean isBlocking();
+
     /**
      * @return the inputs, can contain nulls
      */
diff --git a/src/main/java/com/raoulvdberge/refinedstorage/api/autocrafting/ICraftingPatternContainer.java b/src/main/java/com/raoulvdberge/refinedstorage/api/autocrafting/ICraftingPatternContainer.java
index 99d0e7f50..bbcf0414e 100755
--- a/src/main/java/com/raoulvdberge/refinedstorage/api/autocrafting/ICraftingPatternContainer.java
+++ b/src/main/java/com/raoulvdberge/refinedstorage/api/autocrafting/ICraftingPatternContainer.java
@@ -34,4 +34,8 @@ public interface ICraftingPatternContainer {
      * @return the position of this container
      */
     BlockPos getPosition();
+
+    boolean isBlocked();
+
+    void setBlocked(boolean value);
 }
diff --git a/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/autocrafting/CraftingPattern.java b/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/autocrafting/CraftingPattern.java
index cbbedd7a5..f6074e9ba 100755
--- a/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/autocrafting/CraftingPattern.java
+++ b/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/autocrafting/CraftingPattern.java
@@ -168,6 +168,11 @@ public class CraftingPattern implements ICraftingPattern {
         return ItemPattern.isOredict(stack);
     }
 
+    @Override
+    public boolean isBlocking() {
+        return ItemPattern.isBlocking(stack);
+    }
+
     @Override
     public List<ItemStack> getInputs() {
         return inputs;
diff --git a/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/autocrafting/task/CraftingStep.java b/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/autocrafting/task/CraftingStep.java
index 3bc58d1d2..b34721322 100755
--- a/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/autocrafting/task/CraftingStep.java
+++ b/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/autocrafting/task/CraftingStep.java
@@ -5,6 +5,7 @@ import com.raoulvdberge.refinedstorage.api.autocrafting.ICraftingPattern;
 import com.raoulvdberge.refinedstorage.api.autocrafting.ICraftingPatternContainer;
 import com.raoulvdberge.refinedstorage.api.autocrafting.ICraftingPatternProvider;
 import com.raoulvdberge.refinedstorage.api.autocrafting.task.ICraftingStep;
+import com.raoulvdberge.refinedstorage.api.autocrafting.task.ICraftingTask;
 import com.raoulvdberge.refinedstorage.api.network.INetworkMaster;
 import com.raoulvdberge.refinedstorage.api.util.IComparer;
 import com.raoulvdberge.refinedstorage.api.util.IStackList;
@@ -109,6 +110,10 @@ public abstract class CraftingStep implements ICraftingStep {
 
     @Override
     public void setStartedProcessing() {
+        if (getPattern().isBlocking()) {
+            getPattern().getContainer().setBlocked(true);
+        }
+
         startedProcessing = true;
     }
 
@@ -126,6 +131,10 @@ public abstract class CraftingStep implements ICraftingStep {
             }
         }
 
+        if (getPattern().isBlocking()) {
+            getPattern().getContainer().setBlocked(false);
+        }
+
         return true;
     }
 
diff --git a/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/autocrafting/task/CraftingTask.java b/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/autocrafting/task/CraftingTask.java
index a64cae916..5826107b4 100755
--- a/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/autocrafting/task/CraftingTask.java
+++ b/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/autocrafting/task/CraftingTask.java
@@ -294,6 +294,12 @@ public class CraftingTask implements ICraftingTask {
             network.insertItemTracked(stack, stack.getCount());
         }
 
+        for (ICraftingStep step : getSteps()) {
+            if (step.getPattern().isBlocking()) {
+                step.getPattern().getContainer().setBlocked(false);
+            }
+        }
+
         network.markCraftingMonitorForUpdate();
     }
 
@@ -348,11 +354,13 @@ public class CraftingTask implements ICraftingTask {
             }
 
             if (timesUsed++ <= container.getSpeedUpdateCount()) {
-                if (!step.hasStartedProcessing() && step.canStartProcessing(oreDictPrepped, networkFluids)) {
-                    step.setStartedProcessing();
-                    step.execute(toInsertItems, toInsertFluids);
-                    usedContainers.put(container, timesUsed);
-                    network.markCraftingMonitorForUpdate();
+                if (!step.getPattern().isProcessing() || !container.isBlocked()) {
+                    if (!step.hasStartedProcessing() && step.canStartProcessing(oreDictPrepped, networkFluids)) {
+                        step.setStartedProcessing();
+                        step.execute(toInsertItems, toInsertFluids);
+                        usedContainers.put(container, timesUsed);
+                        network.markCraftingMonitorForUpdate();
+                    }
                 }
             }
         }
@@ -535,6 +543,8 @@ public class CraftingTask implements ICraftingTask {
                             element = new CraftingMonitorElementError(element, "gui.refinedstorage:crafting_monitor.machine_none");
                         } else if (!step.hasStartedProcessing() && !step.canStartProcessing()) {
                             element = new CraftingMonitorElementError(element, "gui.refinedstorage:crafting_monitor.machine_in_use");
+                        } else if (!step.hasStartedProcessing() && step.getPattern().getContainer().isBlocked()) {
+                            element = new CraftingMonitorElementError(element, "gui.refinedstorage:crafting_monitor.blocked");
                         }
 
                         elements.add(element);
diff --git a/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/network/node/NetworkNodeCrafter.java b/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/network/node/NetworkNodeCrafter.java
index 8e44ebad0..134dd5b9d 100755
--- a/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/network/node/NetworkNodeCrafter.java
+++ b/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/network/node/NetworkNodeCrafter.java
@@ -25,6 +25,7 @@ public class NetworkNodeCrafter extends NetworkNode implements ICraftingPatternC
     public static final String ID = "crafter";
 
     private static final String NBT_TRIGGERED_AUTOCRAFTING = "TriggeredAutocrafting";
+    private static final String NBT_BLOCKED = "Blocked";
 
     private ItemHandlerBasic patterns = new ItemHandlerBasic(9, new ItemHandlerListenerNetworkNode(this), s -> {
         // We can only validate the crafting pattern if the world exists.
@@ -54,6 +55,7 @@ public class NetworkNodeCrafter extends NetworkNode implements ICraftingPatternC
     private ItemHandlerUpgrade upgrades = new ItemHandlerUpgrade(4, new ItemHandlerListenerNetworkNode(this), ItemUpgrade.TYPE_SPEED);
 
     private boolean triggeredAutocrafting = false;
+    private boolean blocked = false;
 
     public NetworkNodeCrafter(INetworkNodeHolder holder) {
         super(holder);
@@ -124,6 +126,10 @@ public class NetworkNodeCrafter extends NetworkNode implements ICraftingPatternC
 
         RSUtils.readItems(patterns, 0, tag);
         RSUtils.readItems(upgrades, 1, tag);
+
+        if (tag.hasKey(NBT_BLOCKED)) {
+            blocked = tag.getBoolean(NBT_BLOCKED);
+        }
     }
 
     @Override
@@ -138,6 +144,8 @@ public class NetworkNodeCrafter extends NetworkNode implements ICraftingPatternC
         RSUtils.writeItems(patterns, 0, tag);
         RSUtils.writeItems(upgrades, 1, tag);
 
+        tag.setBoolean(NBT_BLOCKED, blocked);
+
         return tag;
     }
 
@@ -204,4 +212,16 @@ public class NetworkNodeCrafter extends NetworkNode implements ICraftingPatternC
     public boolean hasConnectivityState() {
         return true;
     }
+
+    @Override
+    public boolean isBlocked() {
+        return blocked;
+    }
+
+    @Override
+    public void setBlocked(boolean value) {
+        blocked = value;
+
+        markDirty();
+    }
 }
diff --git a/src/main/java/com/raoulvdberge/refinedstorage/gui/GuiProcessingPatternEncoder.java b/src/main/java/com/raoulvdberge/refinedstorage/gui/GuiProcessingPatternEncoder.java
index 4506fa783..7a9afdb21 100755
--- a/src/main/java/com/raoulvdberge/refinedstorage/gui/GuiProcessingPatternEncoder.java
+++ b/src/main/java/com/raoulvdberge/refinedstorage/gui/GuiProcessingPatternEncoder.java
@@ -18,6 +18,7 @@ public class GuiProcessingPatternEncoder extends GuiBase {
     private TileProcessingPatternEncoder encoder;
 
     private GuiCheckBox oredictPattern;
+    private GuiCheckBox blockingPattern;
 
     public GuiProcessingPatternEncoder(ContainerProcessingPatternEncoder container, TileProcessingPatternEncoder encoder) {
         super(container, 176, 183);
@@ -28,6 +29,7 @@ public class GuiProcessingPatternEncoder extends GuiBase {
     @Override
     public void init(int x, int y) {
         oredictPattern = addCheckBox(x + 7, y + 76, I18n.format("misc.refinedstorage:oredict"), TileProcessingPatternEncoder.OREDICT_PATTERN.getValue());
+        blockingPattern = addCheckBox(x + 60, y + 76, I18n.format("misc.refinedstorage:blocking"), TileProcessingPatternEncoder.BLOCKING_TASK_PATTERN.getValue());
     }
 
     @Override
@@ -81,6 +83,8 @@ public class GuiProcessingPatternEncoder extends GuiBase {
 
         if (button == oredictPattern) {
             TileDataManager.setParameter(TileProcessingPatternEncoder.OREDICT_PATTERN, oredictPattern.isChecked());
+        } else if (button == blockingPattern) {
+            TileDataManager.setParameter(TileProcessingPatternEncoder.BLOCKING_TASK_PATTERN, blockingPattern.isChecked());
         }
     }
 
@@ -104,4 +108,10 @@ public class GuiProcessingPatternEncoder extends GuiBase {
             oredictPattern.setIsChecked(checked);
         }
     }
+
+    public void updateBlockingPattern(boolean checked) {
+        if (blockingPattern != null) {
+            blockingPattern.setIsChecked(checked);
+        }
+    }
 }
\ No newline at end of file
diff --git a/src/main/java/com/raoulvdberge/refinedstorage/item/ItemPattern.java b/src/main/java/com/raoulvdberge/refinedstorage/item/ItemPattern.java
index 5490c0eaa..13005c543 100755
--- a/src/main/java/com/raoulvdberge/refinedstorage/item/ItemPattern.java
+++ b/src/main/java/com/raoulvdberge/refinedstorage/item/ItemPattern.java
@@ -35,6 +35,7 @@ public class ItemPattern extends ItemBase implements ICraftingPatternProvider {
     private static final String NBT_SLOT = "Slot_%d";
     private static final String NBT_OUTPUTS = "Outputs";
     private static final String NBT_OREDICT = "Oredict";
+    private static final String NBT_BLOCKING = "Blocking";
 
     public ItemPattern() {
         super("pattern");
@@ -70,6 +71,10 @@ public class ItemPattern extends ItemBase implements ICraftingPatternProvider {
             if (isOredict(stack)) {
                 tooltip.add(TextFormatting.BLUE + I18n.format("misc.refinedstorage:pattern.oredict") + TextFormatting.RESET);
             }
+
+            if (isBlocking(stack)) {
+                tooltip.add(TextFormatting.BLUE + I18n.format("misc.refinedstorage:blocking") + TextFormatting.RESET);
+            }
         } else {
             tooltip.add(TextFormatting.RED + I18n.format("misc.refinedstorage:pattern.invalid") + TextFormatting.RESET);
 
@@ -159,6 +164,10 @@ public class ItemPattern extends ItemBase implements ICraftingPatternProvider {
         return pattern.hasTagCompound() && pattern.getTagCompound().hasKey(NBT_OREDICT) && pattern.getTagCompound().getBoolean(NBT_OREDICT);
     }
 
+    public static boolean isBlocking(ItemStack pattern) {
+        return pattern.hasTagCompound() && pattern.getTagCompound().hasKey(NBT_BLOCKING) && pattern.getTagCompound().getBoolean(NBT_BLOCKING);
+    }
+
     public static void setOredict(ItemStack pattern, boolean oredict) {
         if (!pattern.hasTagCompound()) {
             pattern.setTagCompound(new NBTTagCompound());
@@ -167,6 +176,14 @@ public class ItemPattern extends ItemBase implements ICraftingPatternProvider {
         pattern.getTagCompound().setBoolean(NBT_OREDICT, oredict);
     }
 
+    public static void setBlocking(ItemStack pattern, boolean blockingTask) {
+        if (!pattern.hasTagCompound()) {
+            pattern.setTagCompound(new NBTTagCompound());
+        }
+
+        pattern.getTagCompound().setBoolean(NBT_BLOCKING, blockingTask);
+    }
+
     public static void combineItems(List<String> tooltip, boolean displayAmount, NonNullList<ItemStack> stacks) {
         Set<Integer> combinedIndices = new HashSet<>();
 
diff --git a/src/main/java/com/raoulvdberge/refinedstorage/tile/TileProcessingPatternEncoder.java b/src/main/java/com/raoulvdberge/refinedstorage/tile/TileProcessingPatternEncoder.java
index e0fa1672c..8079c4a35 100755
--- a/src/main/java/com/raoulvdberge/refinedstorage/tile/TileProcessingPatternEncoder.java
+++ b/src/main/java/com/raoulvdberge/refinedstorage/tile/TileProcessingPatternEncoder.java
@@ -23,6 +23,7 @@ import javax.annotation.Nullable;
 
 public class TileProcessingPatternEncoder extends TileBase {
     private static final String NBT_OREDICT_PATTERN = "OredictPattern";
+    private static final String NBT_BLOCKING_PATTERN = "BlockingPattern";
 
     public static final TileDataParameter<Boolean> OREDICT_PATTERN = new TileDataParameter<>(DataSerializers.BOOLEAN, false, new ITileDataProducer<Boolean, TileProcessingPatternEncoder>() {
         @Override
@@ -42,13 +43,33 @@ public class TileProcessingPatternEncoder extends TileBase {
         }
     });
 
+    public static final TileDataParameter<Boolean> BLOCKING_TASK_PATTERN = new TileDataParameter<>(DataSerializers.BOOLEAN, false, new ITileDataProducer<Boolean, TileProcessingPatternEncoder>() {
+        @Override
+        public Boolean getValue(TileProcessingPatternEncoder tile) {
+            return tile.blockingTask;
+        }
+    }, new ITileDataConsumer<Boolean, TileProcessingPatternEncoder>() {
+        @Override
+        public void setValue(TileProcessingPatternEncoder tile, Boolean value) {
+            tile.blockingTask = value;
+
+            tile.markDirty();
+        }
+    }, parameter -> {
+        if (Minecraft.getMinecraft().currentScreen instanceof GuiProcessingPatternEncoder) {
+            ((GuiProcessingPatternEncoder) Minecraft.getMinecraft().currentScreen).updateBlockingPattern(parameter.getValue());
+        }
+    });
+
     private ItemHandlerBasic patterns = new ItemHandlerBasic(2, new ItemHandlerListenerTile(this), new ItemValidatorBasic(RSItems.PATTERN));
     private ItemHandlerBasic configuration = new ItemHandlerBasic(9 * 2, new ItemHandlerListenerTile(this));
 
     private boolean oredictPattern;
+    private boolean blockingTask = false;
 
     public TileProcessingPatternEncoder() {
         dataManager.addWatchedParameter(OREDICT_PATTERN);
+        dataManager.addWatchedParameter(BLOCKING_TASK_PATTERN);
     }
 
     @Override
@@ -59,6 +80,7 @@ public class TileProcessingPatternEncoder extends TileBase {
         RSUtils.writeItems(configuration, 1, tag);
 
         tag.setBoolean(NBT_OREDICT_PATTERN, oredictPattern);
+        tag.setBoolean(NBT_BLOCKING_PATTERN, blockingTask);
 
         return tag;
     }
@@ -73,6 +95,10 @@ public class TileProcessingPatternEncoder extends TileBase {
         if (tag.hasKey(NBT_OREDICT_PATTERN)) {
             oredictPattern = tag.getBoolean(NBT_OREDICT_PATTERN);
         }
+
+        if (tag.hasKey(NBT_BLOCKING_PATTERN)) {
+            blockingTask = tag.getBoolean(NBT_BLOCKING_PATTERN);
+        }
     }
 
     public void onCreatePattern() {
@@ -80,6 +106,7 @@ public class TileProcessingPatternEncoder extends TileBase {
             ItemStack pattern = new ItemStack(RSItems.PATTERN);
 
             ItemPattern.setOredict(pattern, oredictPattern);
+            ItemPattern.setBlocking(pattern, blockingTask);
 
             for (int i = 0; i < 18; ++i) {
                 if (!configuration.getStackInSlot(i).isEmpty()) {
diff --git a/src/main/resources/assets/refinedstorage/lang/en_US.lang b/src/main/resources/assets/refinedstorage/lang/en_US.lang
index 8a035df83..54be74381 100755
--- a/src/main/resources/assets/refinedstorage/lang/en_US.lang
+++ b/src/main/resources/assets/refinedstorage/lang/en_US.lang
@@ -29,6 +29,7 @@ gui.refinedstorage:crafting_monitor.items_missing=Items missing
 gui.refinedstorage:crafting_monitor.machine_in_use=Machine is in use
 gui.refinedstorage:crafting_monitor.machine_none=No machine found
 gui.refinedstorage:crafting_monitor.waiting_for_items=Waiting for items
+gui.refinedstorage:crafting_monitor.blocked=Blocked, waiting on other task
 gui.refinedstorage:wireless_transmitter=Wireless Transmitter
 gui.refinedstorage:wireless_transmitter.distance=%d blocks
 gui.refinedstorage:crafter=Crafter
@@ -101,6 +102,7 @@ misc.refinedstorage:set=Set
 misc.refinedstorage:cancel_all=Cancel All
 misc.refinedstorage:priority=Priority
 misc.refinedstorage:oredict=Oredict
+misc.refinedstorage:blocking=Blocking
 
 sidebutton.refinedstorage:compare.1=Compare damage
 sidebutton.refinedstorage:compare.2=Compare NBT