A terrace with a roof
 
 
  1. Join the lower plank to posts by using  5x70 screws

2. Join elements to each others with M10 x 100 bolts. Do not screw bolts to tight yet.

3. Join posts with tree  5x70 screw

 
   
     
  4. Join the upper plank on the head of the posts with 5x70 screws

5. In the corners of the terrace use angle brackets L 60x60 -60 to join elements.

6. Screw tight M10x100 bolts

7. Join fence elements to posts with 3,5x50 screws

 
 
 
 
  A complete terrace without a roof: