diff --git a/Makefile b/Makefile
index ee98e83..33320d8 100644
--- a/Makefile
+++ b/Makefile
@@ -112,12 +112,41 @@ timestamp:
 	@echo "------------------------------------------------------------------"
 	@docker exec -t -i $(PROJECT_ID)_imposm cat /home/settings/timestamp.txt
 
+###
+#    SQL FILES
+###
+
+
+import_sql: import_sql
+	@echo
+	@echo "------------------------------------------------------------------"
+	@echo "Importing SQL files"
+	@echo "------------------------------------------------------------------"
+	@docker exec -i $(PROJECT_ID)_db su - postgres -c "psql -f /home/settings/clip/clip.sql gis"
+
+validate_geom: validate_geom
+	@echo
+	@echo "------------------------------------------------------------------"
+	@echo "Validating geom for all tables"
+	@echo "------------------------------------------------------------------"
+	@docker exec -t -i $(PROJECT_ID)_db /bin/su - postgres -c "psql gis -c 'Select validate_geom();'"
+
+
+clip_tables: clip_tables
+	@echo
+	@echo "------------------------------------------------------------------"
+	@echo "Clip tables using the clip layer"
+	@echo "------------------------------------------------------------------"
+	@docker exec -t -i $(PROJECT_ID)_db /bin/su - postgres -c "psql gis -c 'Select clean_tables();'"
+
+
+
 ###
 #    STYLES
 ###
 
 
-import_styles: remove_styles
+import_styles: import_styles
 	@echo
 	@echo "------------------------------------------------------------------"
 	@echo "Importing QGIS styles"
diff --git a/docker-compose.yml b/docker-compose.yml
index ee9e07a..5cbcef9 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -9,7 +9,7 @@ volumes:
 services:
   db:
     # About the postgresql version, it should match in the dockerfile of docker-imposm3
-    image: kartoza/postgis:9.6-2.4
+    image: kartoza/postgis:11.0-2.5
     hostname: db
     container_name: dockerosm_db
     environment:
@@ -19,7 +19,8 @@ services:
       # Uncomment to expose the postgis database on the network
       # - ALLOW_IP_RANGE= 0.0.0.0/0
     volumes:
-      - 'osm-postgis-data:/var/lib/postgresql'
+      - osm-postgis-data:/var/lib/postgresql
+      - ./settings:/home/settings
     # Uncomment to use the postgis database from outside the docker network
     # ports:
     #  - "35432:5432"
@@ -68,8 +69,8 @@ services:
       - DBSCHEMA_BACKUP=backup
       # Install some styles if you are using the default mapping. It can be 'yes' or 'no'
       - QGIS_STYLE=yes
-      # Use clip in the database
-      - CLIP=no
+      # Use clip in the database - To use this you should have run make import_clip to add your clip to the DB
+      - CLIP=yes
 
   osmupdate:
     build: docker-osmupdate
diff --git a/docker-imposm3/Dockerfile b/docker-imposm3/Dockerfile
index fb29a45..dc10196 100644
--- a/docker-imposm3/Dockerfile
+++ b/docker-imposm3/Dockerfile
@@ -1,9 +1,12 @@
 FROM golang:1.10
 MAINTAINER Etienne Trimaille <etienne.trimaille@gmail.com>
 
+RUN apt-get update
+RUN wget -q https://www.postgresql.org/media/keys/ACCC4CF8.asc -O - |  apt-key add -
+RUN sh -c 'echo "deb http://apt.postgresql.org/pub/repos/apt/ stretch-pgdg main" >> /etc/apt/sources.list.d/pgdg.list'
 RUN apt update && apt install -y python3-pip \
       libprotobuf-dev libleveldb-dev libgeos-dev \
-      libpq-dev python3-dev postgresql-client-9.6 python-setuptools \
+      libpq-dev python3-dev postgresql-client-11 python-setuptools \
       gdal-bin \
       --no-install-recommends
 
diff --git a/readme.md b/readme.md
index a6a61cb..04e43de 100644
--- a/readme.md
+++ b/readme.md
@@ -106,7 +106,8 @@ make backup_styles
 
 ### SQL Trigger
 
-You can add PostGIS functions, triggers, materialized views in the SQL file.
+You can add PostGIS functions, triggers, materialized views in the clip SQL file. You need to run
+`make import_sql` to run the clip SQL file
 
 ### Build and run
 
diff --git a/settings/clip/clip.sql b/settings/clip/clip.sql
index f15ae55..a85d79d 100644
--- a/settings/clip/clip.sql
+++ b/settings/clip/clip.sql
@@ -11,9 +11,32 @@ BEGIN
         EXECUTE 'DELETE FROM ' || quote_ident(osm_table.table_name) || ' WHERE osm_id IN (
             SELECT DISTINCT osm_id
             FROM ' || quote_ident(osm_table.table_name) || '
-            LEFT JOIN clip ON ST_Intersects(geometry, geom))
+            LEFT JOIN clip ON ST_Intersects(geometry, geom) where clip.ogc_fid is NULL)
         ;';
     END LOOP;
 END;
 $BODY$
 LANGUAGE plpgsql;
+
+
+
+
+
+-- Function to validate geometry of all tables. To run it after creating the function sinmply run Select validate_geom();
+CREATE OR REPLACE FUNCTION validate_geom() RETURNS void AS
+$BODY$
+DECLARE osm_tables CURSOR FOR
+    SELECT table_name
+    FROM information_schema.tables
+    WHERE table_schema='public'
+    AND table_type='BASE TABLE'
+    AND table_name LIKE 'osm_%';
+BEGIN
+    FOR osm_table IN osm_tables LOOP
+        EXECUTE 'UPDATE ' || quote_ident(osm_table.table_name) || ' SET
+              geometry = ST_MakeValid(geometry) where ST_isValidreason(geometry) = ''F'' ;';
+    END LOOP;
+END;
+$BODY$
+LANGUAGE plpgsql;
+