But when Dominique saw the rough openings in the wall, she panicked.

He moved forward on all fours, tracing the edges of the rough opening with his hands.

She could see where windows and doors would go from the rough openings in the dull gray block.

The rough opening does not have to accommodate the frame precisely.

Insert the hinged half of the frame, together with the door, into the rough opening.

She could curl her fingers into the rough opening.

Begin by cutting two pieces of 2-by-4 lumber to span the rough opening at top and bottom.

Their length must equal the height of the rough opening.

If the wall is not load-bearing, it can be modified rather easily to make the required rough opening.

Apply caulking to the felt on the outside of the rough opening and set the door in place again.