TIE-BEAMS, 2"x6", which prevent the roof from spreading the walls.
(Not shown in illustration.) 10.

RIDGE-POLE, 2"x8", against which the rafters butt.
11.

BRIDGING, 2"x2", which stiffens the floor joists.
12.

SHEATHING, (1" thick), put on diagonally to brace the building.
The rest is covering.
13.

FLOORING, (See also Fig.