diff --git a/Tablet.xcworkspace/xcuserdata/max.xcuserdatad/UserInterfaceState.xcuserstate b/Tablet.xcworkspace/xcuserdata/max.xcuserdatad/UserInterfaceState.xcuserstate
index 6ab9c7e..bb497d2 100644
Binary files a/Tablet.xcworkspace/xcuserdata/max.xcuserdatad/UserInterfaceState.xcuserstate and b/Tablet.xcworkspace/xcuserdata/max.xcuserdatad/UserInterfaceState.xcuserstate differ
diff --git a/Tablet/TableRowBuilder.swift b/Tablet/TableRowBuilder.swift
index 1cf6335..b101ddc 100644
--- a/Tablet/TableRowBuilder.swift
+++ b/Tablet/TableRowBuilder.swift
@@ -164,6 +164,24 @@ public class TablePrototypeRowBuilder<DataType: Hashable, CellType: Configurable
     public override func estimatedRowHeight() -> CGFloat {
         return UITableViewAutomaticDimension
     }
+    
+    func heightCall(item: DataType, width: CGFloat) -> CGFloat {
+        
+        guard let cell = prototypeCell else { return 0 }
+        
+        cell.bounds = CGRectMake(0, 0, width, cell.bounds.height)
+        
+        cell.configure(item)
+        
+        cell.setNeedsLayout()
+        cell.layoutIfNeeded()
+        
+        return cell.contentView.systemLayoutSizeFittingSize(UILayoutFittingCompressedSize).height + 1
+    }
+    
+    // прехит по мере скроллинга в бэк
+    // прехит не должен прехитить то что уже есть (показанное)
+    // по мере скроллинга уметь отменять перхит ()
 
     public override func rowHeight(index: Int) -> CGFloat {
 
@@ -172,22 +190,11 @@ public class TablePrototypeRowBuilder<DataType: Hashable, CellType: Configurable
         let item = items[index]
         
         if let height = cachedHeights[item.hashValue] {
-            //return height
+            return height
         }
-        
-        
-        
 
-        
-        cell.bounds = CGRectMake(0, 0, tableDirector?.tableView?.bounds.size.width ?? 0, cell.bounds.height)
+        let height = heightCall(item, width: tableDirector?.tableView?.bounds.size.width ?? 0)
 
-        cell.configure(item)
-        
-        cell.setNeedsLayout()
-        cell.layoutIfNeeded()
-        
-        let height = cell.contentView.systemLayoutSizeFittingSize(UILayoutFittingCompressedSize).height + 1
-        
         cachedHeights[item.hashValue] = height
         
         print(tableDirector?.tableView?.bounds.size.width, cell.bounds.height, height)
@@ -195,6 +202,25 @@ public class TablePrototypeRowBuilder<DataType: Hashable, CellType: Configurable
         return height
     }
     
+    public func preheat(item: DataType) {
+
+        dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0)) {
+            
+            let height = self.heightCall(item, width: 0)
+            
+            // check if actual height exists
+            // calc height
+            
+            //let heights = self.items.map { self.heightZ($0) }
+            
+            dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0)) {
+            
+                // check if table width is actual
+                // store height in cache
+            }
+        }
+    }
+    
     public override func invoke(action action: ActionType, cell: UITableViewCell?, indexPath: NSIndexPath, itemIndex: Int, userInfo: [NSObject: AnyObject]?) -> AnyObject? {
         
         if case .configure = action {
diff --git a/TabletDemo/Classes/Presentation/Views/StoryboardImageTableViewCell.swift b/TabletDemo/Classes/Presentation/Views/StoryboardImageTableViewCell.swift
index 5a848f6..498d200 100644
--- a/TabletDemo/Classes/Presentation/Views/StoryboardImageTableViewCell.swift
+++ b/TabletDemo/Classes/Presentation/Views/StoryboardImageTableViewCell.swift
@@ -30,7 +30,7 @@ class StoryboardImageTableViewCell: UITableViewCell, ConfigurableCell {
     override func layoutSubviews() {
         super.layoutSubviews()
         
-        //contentView.layoutIfNeeded()
+        contentView.layoutIfNeeded()
         
         subtitleLabel.preferredMaxLayoutWidth = subtitleLabel.bounds.size.width
     }
diff --git a/TabletDemo/TabletDemo.xcodeproj/project.pbxproj b/TabletDemo/TabletDemo.xcodeproj/project.pbxproj
index 0a8c7bf..5b1d76e 100644
--- a/TabletDemo/TabletDemo.xcodeproj/project.pbxproj
+++ b/TabletDemo/TabletDemo.xcodeproj/project.pbxproj
@@ -7,9 +7,9 @@
 	objects = {
 
 /* Begin PBXBuildFile section */
+		5058386B1CF6189D00224C58 /* Tablet.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 5058386A1CF6189D00224C58 /* Tablet.framework */; };
+		5058386C1CF6189D00224C58 /* Tablet.framework in Embed Frameworks */ = {isa = PBXBuildFile; fileRef = 5058386A1CF6189D00224C58 /* Tablet.framework */; settings = {ATTRIBUTES = (CodeSignOnCopy, RemoveHeadersOnCopy, ); }; };
 		DA08A0531CF4E9B500BBF1F8 /* StoryboardImageTableViewCell.swift in Sources */ = {isa = PBXBuildFile; fileRef = DA08A0521CF4E9B500BBF1F8 /* StoryboardImageTableViewCell.swift */; };
-		DA539C901CF50E9900368ACB /* Tablet.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = DA539C8F1CF50E9900368ACB /* Tablet.framework */; };
-		DA539C911CF50E9900368ACB /* Tablet.framework in Embed Frameworks */ = {isa = PBXBuildFile; fileRef = DA539C8F1CF50E9900368ACB /* Tablet.framework */; settings = {ATTRIBUTES = (CodeSignOnCopy, RemoveHeadersOnCopy, ); }; };
 		DAC2D5CA1C9D303E009E9C19 /* AppDelegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = DAC2D5C91C9D303E009E9C19 /* AppDelegate.swift */; };
 		DAC2D5CF1C9D30A7009E9C19 /* Main.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = DAC2D5CD1C9D30A7009E9C19 /* Main.storyboard */; };
 		DAC2D5D01C9D30A7009E9C19 /* LaunchScreen.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = DAC2D5CE1C9D30A7009E9C19 /* LaunchScreen.storyboard */; };
@@ -26,7 +26,7 @@
 			dstPath = "";
 			dstSubfolderSpec = 10;
 			files = (
-				DA539C911CF50E9900368ACB /* Tablet.framework in Embed Frameworks */,
+				5058386C1CF6189D00224C58 /* Tablet.framework in Embed Frameworks */,
 			);
 			name = "Embed Frameworks";
 			runOnlyForDeploymentPostprocessing = 0;
@@ -34,8 +34,8 @@
 /* End PBXCopyFilesBuildPhase section */
 
 /* Begin PBXFileReference section */
+		5058386A1CF6189D00224C58 /* Tablet.framework */ = {isa = PBXFileReference; explicitFileType = wrapper.framework; name = Tablet.framework; path = "/Users/max/Library/Developer/Xcode/DerivedData/Tablet-bomgsgklcxthxkeamvdbfmrhqnno/Build/Products/Debug-iphonesimulator/Tablet.framework"; sourceTree = "<absolute>"; };
 		DA08A0521CF4E9B500BBF1F8 /* StoryboardImageTableViewCell.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = StoryboardImageTableViewCell.swift; sourceTree = "<group>"; };
-		DA539C8F1CF50E9900368ACB /* Tablet.framework */ = {isa = PBXFileReference; explicitFileType = wrapper.framework; name = Tablet.framework; path = "/Users/maxsokolov/Library/Developer/Xcode/DerivedData/Tablet-hgommdyxtgxijceamltarpblrbwc/Build/Products/Debug-iphoneos/Tablet.framework"; sourceTree = "<absolute>"; };
 		DAB7EB271BEF787300D2AD5E /* TabletDemo.app */ = {isa = PBXFileReference; explicitFileType = wrapper.application; includeInIndex = 0; path = TabletDemo.app; sourceTree = BUILT_PRODUCTS_DIR; };
 		DAC2D5C91C9D303E009E9C19 /* AppDelegate.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = AppDelegate.swift; sourceTree = "<group>"; };
 		DAC2D5CD1C9D30A7009E9C19 /* Main.storyboard */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = file.storyboard; path = Main.storyboard; sourceTree = "<group>"; };
@@ -52,7 +52,7 @@
 			isa = PBXFrameworksBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
-				DA539C901CF50E9900368ACB /* Tablet.framework in Frameworks */,
+				5058386B1CF6189D00224C58 /* Tablet.framework in Frameworks */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
@@ -69,7 +69,7 @@
 		DAB7EB1E1BEF787300D2AD5E = {
 			isa = PBXGroup;
 			children = (
-				DA539C8F1CF50E9900368ACB /* Tablet.framework */,
+				5058386A1CF6189D00224C58 /* Tablet.framework */,
 				DAC2D5C61C9D2FE5009E9C19 /* Classes */,
 				DAC2D5CB1C9D3058009E9C19 /* Resources */,
 				DA539C871CF50B1800368ACB /* Frameworks */,