Heaven — The lower heaven in which the clouds are. Shut up — Heaven is compared to a great store — house in God's keeping, out of which nothing can be had, so long as it is close shut up.
Related Commentaries of 1 Kings 8:35
1 Kings 8:35
35 When heaven is shut up, and there is no rain, because they have sinned against thee; if they pray toward this place, and confess thy name, and turn from their sin, when thou afflictest them: