diff --git a/phpmon/Domain/App/Base.lproj/Main.storyboard b/phpmon/Domain/App/Base.lproj/Main.storyboard
index 8aa732d..ef8c8c0 100644
--- a/phpmon/Domain/App/Base.lproj/Main.storyboard
+++ b/phpmon/Domain/App/Base.lproj/Main.storyboard
@@ -896,7 +896,7 @@ Gw
                                                     </prototypeCellViews>
                                                 </tableColumn>
                                                 <tableColumn identifier="ENVIRONMENT" width="110" minWidth="100" maxWidth="150" id="hzb-XI-Out">
-                                                    <tableHeaderCell key="headerCell" lineBreakMode="truncatingTail" borderStyle="border" alignment="left" title="Environment">
+                                                    <tableHeaderCell key="headerCell" lineBreakMode="truncatingTail" borderStyle="border" alignment="center" title="Active">
                                                         <color key="textColor" name="headerTextColor" catalog="System" colorSpace="catalog"/>
                                                         <color key="backgroundColor" white="0.0" alpha="0.0" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
                                                     </tableHeaderCell>
diff --git a/phpmon/Domain/Integrations/Valet/ValetSite.swift b/phpmon/Domain/Integrations/Valet/ValetSite.swift
index 5134454..968e48a 100644
--- a/phpmon/Domain/Integrations/Valet/ValetSite.swift
+++ b/phpmon/Domain/Integrations/Valet/ValetSite.swift
@@ -93,6 +93,8 @@ class ValetSite {
                 return
             }
             self.isolatedPhpVersion = PhpEnv.shared.cachedPhpInstallations[version]
+        } else {
+            self.isolatedPhpVersion = nil
         }
     }
     
diff --git a/phpmon/Domain/SiteList/SiteListVC+Actions.swift b/phpmon/Domain/SiteList/SiteListVC+Actions.swift
index 7842387..dfab717 100644
--- a/phpmon/Domain/SiteList/SiteListVC+Actions.swift
+++ b/phpmon/Domain/SiteList/SiteListVC+Actions.swift
@@ -42,7 +42,7 @@ extension SiteListVC {
                 )
             }
             
-            tableView.reloadData(forRowIndexes: [rowToReload], columnIndexes: [0])
+            tableView.reloadData(forRowIndexes: [rowToReload], columnIndexes: [0, 1, 2, 3, 4])
             tableView.deselectRow(rowToReload)
             tableView.selectRowIndexes([rowToReload], byExtendingSelection: true)
         }
@@ -77,6 +77,18 @@ extension SiteListVC {
         editor.openDirectory(file: selectedSite!.absolutePath)
     }
     
+    @objc func isolateSite(sender: PhpMenuItem) {
+        self.performAction(command: "cd '\(selectedSite!.absolutePath)' && sudo \(Paths.valet) isolate php@\(sender.version) && exit;") {
+            self.selectedSite!.determineIsolated()
+        }
+    }
+    
+    @objc func removeIsolatedSite() {
+        self.performAction(command: "cd '\(selectedSite!.absolutePath)' && sudo \(Paths.valet) unisolate && exit;") {
+            self.selectedSite!.isolatedPhpVersion = nil
+        }
+    }
+    
     @objc func unlinkSite() {
         guard let site = selectedSite else {
             return
@@ -100,4 +112,17 @@ extension SiteListVC {
         )
     }
     
+    private func performAction(command: String, beforeCellReload: @escaping () -> Void) {
+        let rowToReload = tableView.selectedRow
+        
+        waitAndExecute {
+            Shell.run(command, requiresPath: true)
+        } completion: { [self] in
+            beforeCellReload()
+            tableView.reloadData(forRowIndexes: [rowToReload], columnIndexes: [0, 1, 2, 3, 4])
+            tableView.deselectRow(rowToReload)
+            tableView.selectRowIndexes([rowToReload], byExtendingSelection: true)
+        }
+    }
+    
 }
diff --git a/phpmon/Domain/SiteList/SiteListVC+ContextMenu.swift b/phpmon/Domain/SiteList/SiteListVC+ContextMenu.swift
index 70d4da0..c730843 100644
--- a/phpmon/Domain/SiteList/SiteListVC+ContextMenu.swift
+++ b/phpmon/Domain/SiteList/SiteListVC+ContextMenu.swift
@@ -78,7 +78,29 @@ extension SiteListVC {
     }
     
     private func addIsolate(to menu: NSMenu, with site: ValetSite) {
-        //
+        if site.isolatedPhpVersion == nil {
+            // ISOLATION POSSIBLE
+            let isolationMenuItem = NSMenuItem(title:"site_list.isolate".localized, action: nil, keyEquivalent: "")
+            let submenu = NSMenu()
+            submenu.addItem(withTitle: "Choose a PHP version", action: nil, keyEquivalent: "")
+            for version in PhpEnv.shared.availablePhpVersions.reversed() {
+                let item = PhpMenuItem(title: "Always use PHP \(version)", action: #selector(self.isolateSite), keyEquivalent: "")
+                item.version = version
+                submenu.addItem(item)
+            }
+            menu.setSubmenu(submenu, for: isolationMenuItem)
+            
+            menu.addItem(isolationMenuItem)
+            menu.addItem(NSMenuItem.separator())
+        } else {
+            // REMOVE ISOLATION POSSIBLE
+            menu.addItem(
+                withTitle: "site_list.remove_isolation".localized,
+                action: #selector(self.removeIsolatedSite),
+                keyEquivalent: ""
+            )
+            menu.addItem(NSMenuItem.separator())
+        }
     }
     
     private func addToggleSecure(to menu: NSMenu, with site: ValetSite) {
diff --git a/phpmon/Domain/SiteList/SiteListVC.swift b/phpmon/Domain/SiteList/SiteListVC.swift
index d668b71..49df734 100644
--- a/phpmon/Domain/SiteList/SiteListVC.swift
+++ b/phpmon/Domain/SiteList/SiteListVC.swift
@@ -174,6 +174,7 @@ class SiteListVC: NSViewController, NSTableViewDelegate, NSTableViewDataSource {
     }
     
     func tableView(_ tableView: NSTableView, viewFor tableColumn: NSTableColumn?, row: Int) -> NSView? {
+    
         let mapping: [String: String] = [
             "TLS": "siteListTLSCell",
             "DOMAIN": "siteListNameCell",
diff --git a/phpmon/Localizable.strings b/phpmon/Localizable.strings
index 8804d99..1be1503 100644
--- a/phpmon/Localizable.strings
+++ b/phpmon/Localizable.strings
@@ -103,6 +103,9 @@
 
 // SITE LIST ACTIONS
 
+"site_list.isolate" = "Isolate Domain";
+"site_list.remove_isolation" = "Remove Isolation";
+
 "site_list.unlink" = "Unlink Directory";
 "site_list.secure" = "Secure Domain";
 "site_list.unsecure" = "Unsecure Domain";