In one of the mission's the key to the rooftop is in his drawer you have to uncode the letters to see which one says rooftop!
become a member
click on the sign that say "to top".
walk around the place until you're up
Click on G and then click on whatever that is similar too the meaning of the rooftop might be locked then after that you click on the drawer and theres gonna be a whole bunch of keys there and there all gonna have codes on them so you click on your code bar and unsolve the code and which ever key is called key for the rooftop is the one so you click on that key and then go to the door that leads to the rooftop and then you get your key and click on the doorhandle and that's how you unlock the door to the rooftop hope that helped!
You need to find the missing coins first. Then, your phone will ring and go to G. He will tell you what you need to do on the rooftop.
you find it at the dance club
The Hidden Lake
key
You can buy a club penguin guide book. Then, look in the content for key merchandise and go to the page.
Log in here. Play.clubpenguin.com/?login=true&rm=853#/login/
The roof only appears during parties , also you must be a member to gain access to the rooftop ! Hope I helped !
it is in the mansion