The Chidushei Harim explains, that on Pesach the Jewish people have the ability to “break the roofs through the Hallel of the seder.” Even when it seems that due to their sins, it is impossible to break the boundaries separating them and The Holy One, Blessed Be He, they can reconnect with their Father in heaven.
(Haggada Shel Pesach L’kutei Yehudah, Page 62)