Framing a wall for a smaller home
Let's move on to framing a wall using proper headers. The framing is where the project gets fun because you can see your project taking shape. Walls need to be strong to hold up the roof or the second floor. Headers keep the wall strong over windows and doors.
Above is a sample wall. It's usually best to build the wall on the floor and then stand it up. It also helps you keep the boards flush and straight.
Most outside walls are made with 2x6 studs because they are stronger and you can put more insulation in them to make the home more energy efficient. It's easier to use precut builder's studs that are exactly 92 5/8-inches for wall studs.
The exterior walls can have sheathing (plywood) on them before you stand them up or you can put it on later, it doesn't matter. You will map out all the windows and doors.
You will need to know the rough opening dimensions for every door and window before you build the walls. You can go online at Home Depot or Lowes and get rough opening dimension for many types of windows and doors while you're planning you floor plan. This makes designing a blueprint much easier.
If you don't want to go online for measurements,you can get these dimensions where you buy the doors and windows. Make sure to get the door and window framing exactly square and level. Use a level and a carpenters square.
You will want the doors and windows to slide in easily and straight when it comes time for it.
Interior walls are usually 2x4 studs. This is where you frame in each room in the house. Outside walls should be 2X6's. Inside walls should be 2X4's.