John Gills Exposition of the Bible Commentary - 2 Samuel 16:22
So they spread Absalom a tent on the top of the house ,.... On the top of his father's palace; this, as houses in Jerusalem and Judea were, was built flat, Deuteronomy 22:8 ; and it was on the very spot from whence David had a sight of Bathsheba, and conceived an impure lust after her. The Targum renders it, a canopy; which Kimchi describes as consisting of four pillars, upon and round about which curtains were hung: and Absalom went in unto his father's concubines in the sight of all... read more
Matthew Henry's Complete Commentary - 2 Samuel 16:15-23
Absalom had notice sent him speedily by some of his friends at Jerusalem that David had withdrawn, and with what a small retinue he had gone; so that the coasts were clear, Absalom might take possession of Jerusalem when he pleased. The gates were open, and there was none to oppose him. Accordingly he came without delay (2 Sam. 16:15), extremely elevated, no doubt, with this success at first, and that that in which, when he formed his design, he probably apprehended the greatest difficulty,... read more