diff --git a/addons/website/data/website_data.xml b/addons/website/data/website_data.xml
index 56097594be7..28c0a0f8e85 100644
--- a/addons/website/data/website_data.xml
+++ b/addons/website/data/website_data.xml
@@ -1,17 +1,22 @@
 <?xml version="1.0" encoding="utf-8"?>
 <odoo>
     <data noupdate="1">
-        <record id="default_website" model="website">
-            <field name="name">My Website</field>
-            <field name="domain"></field>
-            <field name="company_id" ref="base.main_company"/>
-            <field name="user_id" ref="base.public_user"/>
-            <field name="favicon" type="base64" file="web/static/src/img/favicon.ico"/>
-        </record>
-
+        <!-- Default Menu to store module menus for new website -->
         <record id="main_menu" model="website.menu">
-          <field name="name">Top Menu</field>
-          <field name="website_id" ref="default_website"/>
+          <field name="name">Default Main Menu</field>
+          <field name="url">/default-main-menu</field>
+        </record>
+        <record id="menu_home" model="website.menu">
+            <field name="name">Home</field>
+            <field name="url">/</field>
+            <field name="parent_id" ref="website.main_menu"/>
+            <field name="sequence" type="int">10</field>
+        </record>
+        <record id="menu_contactus" model="website.menu">
+            <field name="name">Contact us</field>
+            <field name="url">/contactus</field>
+            <field name="parent_id" ref="website.main_menu"/>
+            <field name="sequence" type="int">60</field>
         </record>
 
         <!-- split between ir_ui_view & website_page record to keep external_id on ir_ui_view -->
@@ -35,16 +40,6 @@
             <field name="url">/</field>
             <field name="view_id" ref="homepage"/>
         </record>
-        <record id="default_website" model="website">
-            <field name="homepage_id" ref="homepage_page"/>
-        </record>
-        <record id="menu_homepage" model="website.menu">
-            <field name="name">Home</field>
-            <field name="url">/</field>
-            <field name="parent_id" ref="website.main_menu"/>
-            <field name="sequence" type="int">10</field>
-            <field name="page_id" ref="homepage_page"/>
-        </record>
 
         <!-- Contact Us page -->
         <record id="contactus" model="ir.ui.view">
@@ -103,14 +98,6 @@
             <field name="website_published">True</field>
             <field name="view_id" ref="contactus"/>
         </record>
-        <record id="menu_contactus" model="website.menu">
-            <field name="name">Contact us</field>
-            <field name="url">/contactus</field>
-            <field name="parent_id" ref="website.main_menu"/>
-            <field name="sequence" type="int">60</field>
-            <field name="page_id" ref="contactus_page"/>
-            <field name="website_id" ref="default_website"/>
-        </record>
 
         <!-- About Us page -->
         <record id="aboutus" model="ir.ui.view">
@@ -164,6 +151,15 @@
             <field name="view_id" ref="aboutus"/>
         </record>
 
+        <record id="default_website" model="website">
+            <field name="name">My Website</field>
+            <field name="domain"></field>
+            <field name="company_id" ref="base.main_company"/>
+            <field name="user_id" ref="base.public_user"/>
+            <field name="favicon" type="base64" file="web/static/src/img/favicon.ico"/>
+            <field name="homepage_id" ref="homepage_page"/>
+        </record>
+
         <!-- Open website on install -->
         <record id="action_website" model="ir.actions.act_url">
             <field name="name">Website</field>
diff --git a/addons/website/data/website_demo.xml b/addons/website/data/website_demo.xml
index 6eeab11eb95..cd7ab09f522 100644
--- a/addons/website/data/website_demo.xml
+++ b/addons/website/data/website_demo.xml
@@ -6,15 +6,6 @@
             <field name="domain"></field>
         </record>
 
-        <record id="menu_contactus2" model="website.menu">
-            <field name="name">Contact us</field>
-            <field name="url">/contactus</field>
-            <field name="parent_id" search="[('website_id', '=', ref('website2')), ('parent_id', '=', False)]"/>
-            <field name="sequence" type="int">60</field>
-            <field name="page_id" ref="contactus_page"/>
-            <field name="website_id" ref="website2"/>
-        </record>
-
         <!-- BS Debug Page -->
         <!-- Showcase all (most?) BS components and utilities -->
         <record id="bs_debug_page" model="website.page">
diff --git a/addons/website/models/website.py b/addons/website/models/website.py
index caccec635fd..048e3aabc05 100644
--- a/addons/website/models/website.py
+++ b/addons/website/models/website.py
@@ -158,19 +158,27 @@ class Website(models.Model):
 
         self.homepage_id = self.env['website.page'].search([('website_id', '=', self.id),
                                                             ('key', '=', standard_homepage.key)])
-        top_menu = self.env['website.menu'].create({
-            'name': _('Top Menu for website %s') % self.id,
-            'website_id': self.id,
-            'sequence': 0
-        })
-        self.menu_id = top_menu.id
-        self.env['website.menu'].create({
-            'name': _('Home'),
-            'url': '/',
-            'website_id': self.id,
-            'parent_id': top_menu.id,
-            'sequence': 10
-        })
+
+        # Bootstrap default menu hierarchy, create a new minimalist one if no default
+        default_menu = self.env.ref('website.main_menu')
+        self.copy_menu_hierarchy(default_menu)
+
+    @api.model
+    def copy_menu_hierarchy(self, top_menu):
+        def copy_menu(menu, t_menu):
+            new_menu = menu.copy({
+                'parent_id': t_menu.id,
+                'website_id': self.id,
+            })
+            for submenu in menu.child_id:
+                copy_menu(submenu, new_menu)
+        for website in self:
+            new_top_menu = top_menu.copy({
+                'name': _('Top Menu for Website %s') % website.id,
+                'website_id': website.id,
+            })
+            for submenu in top_menu.child_id:
+                copy_menu(submenu, new_top_menu)
 
     @api.model
     def new_page(self, name=False, add_menu=False, template='website.default_page', ispage=True, namespace=None):
@@ -383,7 +391,6 @@ class Website(models.Model):
 
         return dependencies
 
-
     # ----------------------------------------------------------
     # Languages
     # ----------------------------------------------------------
@@ -1071,7 +1078,13 @@ class Menu(models.Model):
             it for every website.
             Note: Particulary useful when installing a module that adds a menu like
                   /shop. So every website has the shop menu.
+                  Be careful to return correct record for ir.model.data xml_id in case
+                  of default main menus creation.
         '''
+        # Only used when creating website_data.xml default menu
+        if vals.get('url') == '/default-main-menu':
+            return super(Menu, self).create(vals)
+
         if vals.get('website_id'):
             return super(Menu, self).create(vals)
         elif self._context.get('website_id'):
@@ -1080,10 +1093,14 @@ class Menu(models.Model):
         else:
             # create for every site
             for website in self.env['website'].search([]):
-                vals.update({
+                w_vals = dict(vals, **{
                     'website_id': website.id,
                     'parent_id': website.menu_id.id,
                 })
+                res = super(Menu, self).create(w_vals)
+            # if creating a default menu, we should also save it as such
+            default_menu = self.env.ref('website.main_menu', raise_if_not_found=False)
+            if default_menu and vals.get('parent_id') == default_menu.id:
                 res = super(Menu, self).create(vals)
         return res  # Only one record is returned but multiple could have been created
 
diff --git a/addons/website/tests/test_menu.py b/addons/website/tests/test_menu.py
index 8ceab5b6bf5..c907b986171 100644
--- a/addons/website/tests/test_menu.py
+++ b/addons/website/tests/test_menu.py
@@ -4,14 +4,6 @@ from odoo.tests import common
 
 class TestMenu(common.TransactionCase):
 
-    def test_website_own_menu_container(self):
-        Website = self.env['website']
-        Menu = self.env['website.menu']
-
-        total_menus = Menu.search_count([])
-        Website.create({'name': 'new website'})
-        self.assertEqual(total_menus + 2, Menu.search_count([]), "New website's bootstraping should have created a container menu and home menu")
-
     def test_menu_got_duplicated(self):
         Menu = self.env['website.menu']
         total_menu_items = Menu.search_count([])
@@ -49,3 +41,21 @@ class TestMenu(common.TransactionCase):
         Menu.save(1, {'data': data, 'to_delete': []})
 
         self.assertEqual(total_menu_items + 2, Menu.search_count([]), "Creating 2 new menus should create only 2 menus records")
+
+    def test_default_menu_for_new_website(self):
+        Website = self.env['website']
+        Menu = self.env['website.menu']
+        total_menu_items = Menu.search_count([])
+
+        # Simulating website.menu created on module install (blog, shop, forum..) that will be created on default menu tree
+        default_menu = self.env.ref('website.main_menu')
+        Menu.create({
+            'name': 'Sub Default Menu',
+            'parent_id': default_menu.id,
+        })
+        self.assertEqual(total_menu_items + 3, Menu.search_count([]), "Creating a default child menu should create it as such and copy it on every website")
+
+        # Ensure new website got a top menu
+        total_menus = Menu.search_count([])
+        Website.create({'name': 'new website'})
+        self.assertEqual(total_menus + 4, Menu.search_count([]), "New website's bootstraping should have duplicate default menu tree (Top/Home/Contactus/Sub Default Menu)")