Posts Tagged framing walls

Framing My Tiny House

Framing My Tiny House

Framing your tiny house is a really exciting time in your building process. When you tip that wall up for the first time the change is dramatic, the next wall goes up, then the rest and before you know it your home has a form. It’s an inspiring time in building your home, so here are some of the details on how to frame a tiny house.

how to frame a tiny house on wheels

Framing your tiny house is an important step because it’s the bones of your home on wheels. Don’t rush through this and make sure your walls are all straight, square and plumb before starting. Before you even start building you first wall, make sure your base is level, taking your time to level the trailer will go a long way to making sure your walls will be straight.

Marking Your Top Plate & Bottom Plate:

In this video, I get into how to lay out all my studs on the top and bottom plate. It’s important to do this planning to make sure your walls are straight and well laid out.

Building Your Tiny House Wall:

Once we’ve cut our studs to the right length and measured out all locations on your top and bottom plates, it’s time to start actually framing up the wall. We use ring shank nails and some screws to make this happen, check out this video for the details on how to build a wall for a tiny house:

Raising Your Tiny House Walls:

When you frame your tiny house, I find it best to lay the wall down on the trailer and use the flat bed of the floor to keep everything straight while you frame. From there you’ll need to raise the walls up onto the edge of the trailer and then lift it up and drop it on top of your anchor bolts. I had help from my father and brother to lift the walls into their place, with three people it was easy and went up fast!

Tiny House wall framed on trailer

how to frame a tiny house on a trailer

Lifting a framed wall on my tiny house

 

Framing Over Your Fender

The fender of your trailer is a tricky spot because it’s a large span and can be a major area where water and bugs can get in. Below you can see how I did it on my tiny house. If I were to do it all over again, I’d make that board spanning over the wheel well a header. Framing it with two 2×4’s with a 1/2 inch piece of plywood sandwiched between them. You want to leave an air gap so that water can get out if it does work its way in.

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Roof Framing For A Tiny House:

Framing the roof of my tiny house was the hardest part of the whole build in my mind. Being up high plus compound angles make it complicated. There is a fair bit of math involved and even pros have to take a second to think about it when you get to framing any complex dormers or bump-outs. The big trick here is taking your time and build a template for your roof rafters.

Cutting your rafters requires you to make “birds mouths” which are notches that will rest on top of the wall’s top plate. This is a complicated cut because you need to get the angles, position, and size of the cut perfect. Use a speed square (which you should own at least one!) to make these cuts.

birds mouth for froming a roof on a tiny house

Advanced Framing For Tiny Houses:

This is a technique that uses materials more efficiently and reduces weight, while still providing reasonable structure. Instead of your normal 16 inches on center, you’ll frame your walls 24 inches on center.

advanced vs traditional framing

Advanced Framing Vs Traditional Framing:

ADVANCED FRAMING

  • Studs are placed 24” on center
  • 2×6 studs used
  • Header hangers
  • Headers are insulated
  • Single stud for rough opening
  • No cripple studs for windows
  • Corners have just two studs
  • Single top plate

TRADITIONAL FRAMING

  • Studs are placed 16” on center
  • 2×4 studs used
  • Create headers with two boards
  • Headers um-insulated
  • Double up at windows
  • Cripple board under the window
  • Corners have four studs
  • Double top plate

Framing Your Loft In A Tiny House

When it comes to the loft you want to make sure it’s sturdy, getting your loft framing is critical for a few reasons. First, you want to make sure it can support you, a mattress and anything else that might be kept in the loft area of your tiny house. The loft rafters also act like collar ties in some ways, preventing the roof from pushing out and collapsing in on itself.

The below video is about framing the roof, but you can see how I did my loft framing with 4×4 fir beams.

Tiny House Sub Floor Framing

The subfloor is the base of your framing, which will eventually sit right underneath your actual finished floors, but until you trim out your house it will be kept a raw floor. You want to frame your floor like you would a wall, doing 16 inches on center, but instead of sheathing, you want to use tongue and groove subfloor decking. Make sure that you glue and screw your subfloor decking to each stud to prevent squeaks later on.

 

A detailed guide on how to build your own tiny house using any set of plans or your own design. Learn what tools you’ll need, make the right choice with critical decisions, and understand key building techniques.

 


Wall Framing For A Tiny House FAQ

 

Can I frame my tiny house with aluminum framing?

Absolutely! Steel or aluminum framing are all viable options if you’ve done the engineering right. Metal framing is very strong but can flex and twist a bit more than wood would, especially if done incorrectly. Your go-to source for this type of framing is a company called Volstruckt, which does on-demand steel frames for tiny houses.

What about 2×2 wall framing for a tiny house?

For interior, non-load bearing walls you can absolutely go with 2×2 walls if you’re not running any electrical through it. It may get caught by an inspector for a code violation, so check your local building codes. Outside of interior and non-load bearing, you need to use at least 2×4 studs for your walls.

How Thick are tiny house walls?

Tiny House walls are about 4.75 inches thick. This includes your interior cladding (1/4″ thick), your wall framing filled with insulation (3.5″ thick), your sheathing (1/2″ thick), and your outer siding (typically 1/2″ +/- depending on your siding).

How Much Does Framing A Tiny House Cost?

A typical tiny house that’s 8 feet wide by 20 feet long will cost $300-$800 to frame. That is for only studs and fasteners. Sheathing will add around $800-$1,000 to that. Windows can run anywhere from $60 each to several hundred. Doors typically go from $300-$2,000.

What about house wrap?

My best advice is to look around your city and see what other builders are doing when it comes to house wraps and vapor barriers. These things are very climate specific, so tap into that local knowledge. I’m a huge fan of skipping the house wrap and using zip panels by Huber instead: they’re cheaper, more durable and don’t blow off in the wind.

My walls aren’t straight or square, how do I fix it?

First know that there is no wall that is 100% square, straight and plumb. We want to get as close as possible. First, make sure your trailer is actually level, just because it was a few days ago, doesn’t mean it still is. From there get a 6-foot level and look at your corners and how the stand. Then take a large carpenters square or laser level and check how square the wall are to themselves. Finally, fix them with ratchet straps, figure out which way you need to pull and use the straps to pull the wall into square.

 

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