Above Ground

• 1). Prepare the area where you are going to lay the pipe. Remove any shrubs or plants that will be in the way. Grade the area to make sure the pipe will point downwards.
  
  
• 2). Place a piece of 4-inch PVC piping under the end of the gutter downspout, and point it in the direction you want the water to drain.
  
  
• 3). Place an elbow and drain adapter on the end of the PVC piping next to the house. Use PVC cement to secure the drain adapter and elbow.
  
  
• 4). Attach the elbow and drain adapter to the downspout.
  
  

Under Ground

• 1). Dig a trench that is 12 inches deep and 8 inches wide where the drain pipe will be installed. Be aware the trench must point downwards.
  
  
• 2). Shovel 2 inches of crushed stone along the length of the trench.
  
  
• 3). Lay 4-inch PVC piping along the length of the trench.
  
  
• 4). Attach an elbow and drain adapter on the end of the PVC piping next to the house. Secure the elbow and drain adapter with PVC cement.
  
  
• 5). Attach the elbow and drain adapter to the downspout.
  
  
• 6). Dig a hole at the far end of the pipe. Place 4 inches of crushed stone in the hole. This is to improve drainage where the water comes out.
  
  
• 7). Shovel 2 inches of crushed stone on top of the entire pipe.
  
  
• 8). Cover the crushed stone with dirt.