Yes, it is possible! Attach any walls to the beam and / or columns. Be careful not to screw into the gutter to avoid leaks.
How long does it take to assemble the product?
We normally calculate 3-5 hours for 2 people to mount the pergola, but this of course varies greatly from person to person.
We normally calculate 1 hour to mount a screen or a game wall against the pergola after the pergola has been set up.