Acts 10:9

Then the next morning, as they were on their journey, and drew near to the city, Peter went up to the flat roof to pray about the sixth hour:

Matthew 10:27

What I say unto you in the dark, publish in the light: and what ye hear whispered into the ear, proclaim upon the roofs.

Treasury of Scripture Knowledge

Summary

And when they were come down from the high place into the city, Samuel communed with Saul upon the top of the house.

Bible References

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Matthew 10:27
What I say unto you in the dark, publish in the light: and what ye hear whispered into the ear, proclaim upon the roofs.
Acts 10:9
Then the next morning, as they were on their journey, and drew near to the city, Peter went up to the flat roof to pray about the sixth hour: