1.   Also insulate exterior walls and if practical, basement walls and the areas above unheated basements and crawlspaces.

2.   Another way to insulate walls is to take off the plaster or plasterboard wall, put in the insulation and vapor barrier, and put up new walls.

3.   Housewives stopped by construction sites to pick up pointers on shingling a roof or insulating a wall.

4.   Insulate the walls, put in a tight-fitting door, and caulk all joints, where walls meet the floor and the ceiling.

5.   Its north-facing wooden wall is insulated.

6.   Then insulate the walls of this room you built.