diff --git a/React/Base/RCTRootContentView.h b/React/Base/RCTRootContentView.h
index 28a0646cf..bd14cfb20 100644
--- a/React/Base/RCTRootContentView.h
+++ b/React/Base/RCTRootContentView.h
@@ -24,9 +24,17 @@
 @property (nonatomic, assign) BOOL passThroughTouches;
 @property (nonatomic, assign) RCTRootViewSizeFlexibility sizeFlexibility;
 
+@property (nonatomic, assign) BOOL fabric;
+
 - (instancetype)initWithFrame:(CGRect)frame
                        bridge:(RCTBridge *)bridge
                      reactTag:(NSNumber *)reactTag
-               sizeFlexiblity:(RCTRootViewSizeFlexibility)sizeFlexibility NS_DESIGNATED_INITIALIZER;
+               sizeFlexiblity:(RCTRootViewSizeFlexibility)sizeFlexibility
+                       fabric:(BOOL)fabric NS_DESIGNATED_INITIALIZER;
+
+- (instancetype)initWithFrame:(CGRect)frame
+                       bridge:(RCTBridge *)bridge
+                     reactTag:(NSNumber *)reactTag
+               sizeFlexiblity:(RCTRootViewSizeFlexibility)sizeFlexibility;
 
 @end
diff --git a/React/Base/RCTRootContentView.m b/React/Base/RCTRootContentView.m
index 9de3f78e0..7782d06f0 100644
--- a/React/Base/RCTRootContentView.m
+++ b/React/Base/RCTRootContentView.m
@@ -21,8 +21,10 @@
                        bridge:(RCTBridge *)bridge
                      reactTag:(NSNumber *)reactTag
                sizeFlexiblity:(RCTRootViewSizeFlexibility)sizeFlexibility
+                       fabric:(BOOL)fabric
 {
   if ((self = [super initWithFrame:frame])) {
+    _fabric = fabric;
     _bridge = bridge;
     self.reactTag = reactTag;
     _sizeFlexibility = sizeFlexibility;
@@ -33,6 +35,14 @@
   return self;
 }
 
+- (instancetype)initWithFrame:(CGRect)frame
+                       bridge:(RCTBridge *)bridge
+                     reactTag:(NSNumber *)reactTag
+               sizeFlexiblity:(RCTRootViewSizeFlexibility)sizeFlexibility
+{
+  return [self initWithFrame:frame bridge:bridge reactTag:reactTag sizeFlexiblity:sizeFlexibility fabric:NO];
+}
+
 RCT_NOT_IMPLEMENTED(-(instancetype)initWithFrame:(CGRect)frame)
 RCT_NOT_IMPLEMENTED(-(instancetype)initWithCoder:(nonnull NSCoder *)aDecoder)
 
@@ -98,10 +108,18 @@ RCT_NOT_IMPLEMENTED(-(instancetype)initWithCoder:(nonnull NSCoder *)aDecoder)
   if (self.userInteractionEnabled) {
     self.userInteractionEnabled = NO;
     [(RCTRootView *)self.superview contentViewInvalidated];
-    [_bridge enqueueJSCall:@"AppRegistry"
-                    method:@"unmountApplicationComponentAtRootTag"
-                      args:@[self.reactTag]
-                completion:NULL];
+
+    if (_fabric) {
+      [_bridge enqueueJSCall:@"ReactFabric"
+                      method:@"unmountComponentAtNodeAndRemoveContainer"
+                        args:@[self.reactTag]
+                  completion:NULL];
+    } else {
+      [_bridge enqueueJSCall:@"AppRegistry"
+                      method:@"unmountApplicationComponentAtRootTag"
+                        args:@[self.reactTag]
+                  completion:NULL];
+    }
   }
 }
 
diff --git a/React/Base/RCTRootView.h b/React/Base/RCTRootView.h
index 9c04c8222..41c21f672 100644
--- a/React/Base/RCTRootView.h
+++ b/React/Base/RCTRootView.h
@@ -44,7 +44,16 @@ extern NSString *const RCTContentDidAppearNotification;
  */
 - (instancetype)initWithBridge:(RCTBridge *)bridge
                     moduleName:(NSString *)moduleName
-             initialProperties:(NSDictionary *)initialProperties NS_DESIGNATED_INITIALIZER;
+             initialProperties:(NSDictionary *)initialProperties
+                        fabric:(BOOL)fabric NS_DESIGNATED_INITIALIZER;
+
+/**
+ * - Convenience initializer -
+ * Initialize without using FabricUIManager.
+ */
+- (instancetype)initWithBridge:(RCTBridge *)bridge
+                    moduleName:(NSString *)moduleName
+             initialProperties:(NSDictionary *)initialProperties;
 
 /**
  * - Convenience initializer -
@@ -58,6 +67,16 @@ extern NSString *const RCTContentDidAppearNotification;
                 initialProperties:(NSDictionary *)initialProperties
                     launchOptions:(NSDictionary *)launchOptions;
 
+/**
+ * - Convenience initializer -
+ */
+- (instancetype)initWithBundleURL:(NSURL *)bundleURL
+                       moduleName:(NSString *)moduleName
+                initialProperties:(NSDictionary *)initialProperties
+                    launchOptions:(NSDictionary *)launchOptions
+                           fabric:(BOOL)fabric;
+
+
 /**
  * The name of the JavaScript module to execute within the
  * specified scriptURL (required). Setting this will not have
@@ -146,6 +165,11 @@ extern NSString *const RCTContentDidAppearNotification;
 @property (nonatomic, assign) NSTimeInterval loadingViewFadeDelay;
 @property (nonatomic, assign) NSTimeInterval loadingViewFadeDuration;
 
+/**
+ * Indicates whether this view is managed by FabricUIManager or the traditional UIManager.
+ */
+@property (nonatomic, assign) BOOL fabric;
+
 @end
 
 @interface RCTRootView (Deprecated)
diff --git a/React/Base/RCTRootView.m b/React/Base/RCTRootView.m
index 204dd5871..8fabbd6e8 100644
--- a/React/Base/RCTRootView.m
+++ b/React/Base/RCTRootView.m
@@ -52,6 +52,7 @@ NSString *const RCTContentDidAppearNotification = @"RCTContentDidAppearNotificat
 - (instancetype)initWithBridge:(RCTBridge *)bridge
                     moduleName:(NSString *)moduleName
              initialProperties:(NSDictionary *)initialProperties
+                        fabric:(BOOL)fabric
 {
   RCTAssertMainQueue();
   RCTAssert(bridge, @"A bridge instance is required to create an RCTRootView");
@@ -65,6 +66,7 @@ NSString *const RCTContentDidAppearNotification = @"RCTContentDidAppearNotificat
   if (self = [super initWithFrame:CGRectZero]) {
     self.backgroundColor = [UIColor whiteColor];
 
+    _fabric = fabric;
     _bridge = bridge;
     _moduleName = moduleName;
     _appProperties = [initialProperties copy];
@@ -106,16 +108,32 @@ NSString *const RCTContentDidAppearNotification = @"RCTContentDidAppearNotificat
   return self;
 }
 
+- (instancetype)initWithBridge:(RCTBridge *)bridge
+                    moduleName:(NSString *)moduleName
+             initialProperties:(NSDictionary *)initialProperties
+{
+  return [self initWithBridge:bridge moduleName:moduleName initialProperties:initialProperties fabric:NO];
+}
+
 - (instancetype)initWithBundleURL:(NSURL *)bundleURL
                        moduleName:(NSString *)moduleName
                 initialProperties:(NSDictionary *)initialProperties
                     launchOptions:(NSDictionary *)launchOptions
+                           fabric:(BOOL)fabric
 {
   RCTBridge *bridge = [[RCTBridge alloc] initWithBundleURL:bundleURL
                                             moduleProvider:nil
                                              launchOptions:launchOptions];
 
-  return [self initWithBridge:bridge moduleName:moduleName initialProperties:initialProperties];
+  return [self initWithBridge:bridge moduleName:moduleName initialProperties:initialProperties fabric:fabric];
+}
+
+- (instancetype)initWithBundleURL:(NSURL *)bundleURL
+                       moduleName:(NSString *)moduleName
+                initialProperties:(NSDictionary *)initialProperties
+                    launchOptions:(NSDictionary *)launchOptions
+{
+  return [self initWithBundleURL:bundleURL moduleName:moduleName initialProperties:initialProperties launchOptions:launchOptions fabric:NO];
 }
 
 RCT_NOT_IMPLEMENTED(- (instancetype)initWithFrame:(CGRect)frame)
@@ -271,7 +289,8 @@ RCT_NOT_IMPLEMENTED(- (instancetype)initWithCoder:(NSCoder *)aDecoder)
   _contentView = [[RCTRootContentView alloc] initWithFrame:self.bounds
                                                     bridge:bridge
                                                   reactTag:self.reactTag
-                                            sizeFlexiblity:_sizeFlexibility];
+                                            sizeFlexiblity:_sizeFlexibility
+                                                    fabric:self.fabric];
   [self runApplication:bridge];
 
   _contentView.passThroughTouches = _passThroughTouches;
diff --git a/React/Base/Surface/RCTSurface.h b/React/Base/Surface/RCTSurface.h
index 66f5cabbc..01d4896f9 100644
--- a/React/Base/Surface/RCTSurface.h
+++ b/React/Base/Surface/RCTSurface.h
@@ -42,9 +42,16 @@ NS_ASSUME_NONNULL_BEGIN
 
 @property (atomic, copy, readwrite) NSDictionary *properties;
 
+@property (nonatomic, assign, readonly) BOOL fabric;
+
 - (instancetype)initWithBridge:(RCTBridge *)bridge
                     moduleName:(NSString *)moduleName
-             initialProperties:(NSDictionary *)initialProperties NS_DESIGNATED_INITIALIZER;
+             initialProperties:(NSDictionary *)initialProperties
+                        fabric:(BOOL)fabric NS_DESIGNATED_INITIALIZER;
+
+- (instancetype)initWithBridge:(RCTBridge *)bridge
+                    moduleName:(NSString *)moduleName
+             initialProperties:(NSDictionary *)initialProperties;
 
 #pragma mark - Dealing with UIView representation, the Main thread only access
 
diff --git a/React/Base/Surface/RCTSurface.mm b/React/Base/Surface/RCTSurface.mm
index 3581ac1e7..eac4985e0 100644
--- a/React/Base/Surface/RCTSurface.mm
+++ b/React/Base/Surface/RCTSurface.mm
@@ -57,13 +57,16 @@
   atomic_bool _waitingForMountingStageOnMainQueue;
 }
 
+
 - (instancetype)initWithBridge:(RCTBridge *)bridge
                     moduleName:(NSString *)moduleName
              initialProperties:(NSDictionary *)initialProperties
+                        fabric:(BOOL)fabric
 {
   RCTAssert(bridge.valid, @"Valid bridge is required to instanciate `RCTSurface`.");
 
   if (self = [super init]) {
+    _fabric = fabric;
     _bridge = bridge;
     _batchedBridge = [_bridge batchedBridge] ?: _bridge;
     _moduleName = moduleName;
@@ -102,6 +105,13 @@
   return self;
 }
 
+- (instancetype)initWithBridge:(RCTBridge *)bridge
+                    moduleName:(NSString *)moduleName
+             initialProperties:(NSDictionary *)initialProperties
+{
+  return [self initWithBridge:bridge moduleName:moduleName initialProperties:initialProperties fabric:NO];
+}
+
 - (void)dealloc
 {
   [self _stop];