The covering of the ark. An additional period of waiting is indicated, after which Noah felt the time had come to investigate for himself. Inasmuch as little could be seen through the lattice openings below the roof of the ark, he removed a portion of the roof.
The word “covering,” mikseh, is used in the OT to designate the roof of the tabernacle (Ex. 26:14), and also slip covers for the furniture of the sanctuary while it was being transported (Num. 4:10-12). Since these coverings were made of skins, it is possible that the covering of the ark may have been also (see on ch. 6:16).