Panel roof
 
 
  1. Join the main beam planks by using  5x70 screws like shown in the picture 1. Fascia board should be 12 mm (1/2") higher than the main beams planks. (look at det. A)  
   
   
  2. Rise roof elements onto the terrace elements . Join roof elements with M10x100 bolts.

3. Screw the roof elements to the upper plank of terrace elements by using angle brackets 60x60 -60 and 5x35 screws.

4. Join the panel on the roof with nails. Begin panelling near fascia board.

5. Prepare the roof by joining the lists to the corners

A complete roof downside: