How to Build a Play House for Children

RON HAZELTON:
Building together is one of the things I enjoy doing most with my kids. And today, I'm going to have the pleasure of that with someone else's children and it's putting a smile on my face. I'm on the road again and headed for one of my favorite spots in the Midwest, Chicago.

The Windy City is famous for, among other things, its architecture, and I'm in town to visit one young Chicagoan who just might be the city's next architectural wonder. Five-year-old Rachel Shaw has been busy sharing her vision for a dream playhouse with her little brother, Thomas and her parents, Chris and Christine.

Today's HouseCall is going to turn her vision into reality.

What color do you think you want the house? You like yellow?
RACHEL SHAW:
Of course, I love yellow.
RON HAZELTON:
So you've got a second story up here? I might have to get a building permit for that and I may not, I -- I won't have time to do that. So I might today, only be able to just make it one story high. So what if we make that the front of the house?
How about that for one side, right there where your toe is. Okay, that's for the other side. Tom, you, you take this, okay, move it back here, put it back here. Right, back here. Where would you like to put the door, over here?
RACHEL SHAW:
Mm-hmm [AFFIRMATIVE].
RON HAZELTON:
Right here? So -- right here, somewhere? Knock, knock, knock. Hello, is Rachel home?

While Rachel, Thomas and I continue working out floor plans, my carpenter, David Schulte is busy cutting pressure-treated lumber which we're going to use for a joist system.

We'll start right here. You notice we've drawn some lines every 16 inches. So we're just gonna put these together --

We make sure the joists are flush at the top and then attach them together with a nail gun.
Perfect, how is it?
CHRISTINE
It's good.
RON HAZELTON:
We're going to set our joist assembly aside for a while, but first, Christine and Chris drive in corner stakes to mark its location.

Now, you may have noticed that the, the lawn kind of drops down to this corner right here.
CHRISTINE:
It used to drop a lot more.
RON HAZELTON:
Oh, it did. Did you fill in some already?
CHRISTINE:
Yeah.
RON HAZELTON:
Okay. Well, I, it looks to me like maybe three or four inches. But we want to set this on some of these blocks right here. This is the high corner, right here, so we'll start here.

Our goal here is to create a level foundation. So I first cut away the sod from the high corner, then add a layer of sand. We'll need to create a level bed for the concrete block, and sand is easier to move around than compacted soil.

Christine runs a string around the perimeter of our foundation. If we align the edges of the blocks with the string, we can be certain the blocks are positioned correctly.

If we get these four corner blocks level themselves, and level with each other, everything we build on top of this, is gonna be level.
CHRIS:
See if it's level still.
RON HAZELTON:
That's close. Before you go to any more trouble though, I'm gonna put this stone on the top, because we've got a second thing going on here is that, this has to be the right height, so it will be level relative to this one up here. So I may have to have you just raise or lower the whole thing.
RON HAZELTON:
Ha ha ha ha.
CHRIS:
Is that good?
RON HAZELTON:
It's real good.
RON HAZELTON:
We lay several additional blocks around the perimeter. Together, they'll form our foundation.
RON HAZELTON:
Foundation's ready.

The building is only as good as its foundation.

Good, all right, we are solid, great.

Now, our playhouse will have a front porch. So our next step is to install four posts. We clamp the first one to the rim joist, then use a post level to make sure it's plumb or perfectly vertical. Christine bores a hole all the way through the rim joist and the post. Chris hammers in a bolt.

Now, this is galvanized steel, because it's gonna be outside here.

Then Christine adds a washer and nut and tightens it with a socket wrench.

Just so that washer starts to compress the wood a little bit.

We repeat the process on the adjacent side, then attach the remaining three posts in the same way.
CHRIS:
Oh, Rachel's gonna love this as a birthday present.
CHRISTINE:
Yup.
RON HAZELTON:
Now we're ready to install our flooring, which in this case, is very similar to outdoor decking. Now if you're about to put new decking down on top of joists like this, here's a tip that you might went to consider: after decking has been down a while, it tends to dry out and can slip a little bit around the screws and nails, and when you walk on it, it will cause a squeaking sound as these two pieces of wood rub together.

Well, here's a solution. Take strips of roofing felt; some people call this tar paper, lay it on top of the joist and then just tack it with staples, like this. Now you've got a cushion for the decking, so that it won't make any noise and some additional waterproofing as well.

With the strips of roofing felt on top of the joist, we get ready to lay down our first deck board. However, it has to be notched to fit around the posts. To begin, we transfer the location of the post sides, to the deck board.

Then I set a combination square to the thickness of the post and use the square as a guide to transfer this dimension to the board. Chris and Christine then get busy using jigsaws to cut out the notches. I'm seeing like a perfect fit in my mind.

CHRISTINE:
Perfect.
RON HAZELTON:
That's a nice snug fit. Let's attach that down.

We attach the deck board by driving rustproof galvanized screws into the joists. The remaining boards, we install in assembly line fashion. I start the screws by tapping them into the surface, then Chris and Christine follow behind, driving them in.

Well our decking is all down. Now we can start on the walls. I cannot take this hot weather anymore, so I've got on my summer outfit here. Actually I, well, you don't have shorts on. You okay?
CHRISTINE:
I'm okay. I have no sleeves, so I'm okay.
RON HAZELTON:
Now, this is called framing, we're gonna make up one wall at a time. I've precut each of the pieces and marked them. You can kind of think of this as like a wall kit if you will. So all we have to do now is nail them together.

Okay, I'm gonna put some screws in, right here.

We drive the screws through the base plate of the first wall section, then do the same with the second section. Next, we attach the wall sections together with screws.

Hey, wall number three.
CHRISTINE:
Wall number three.
RON HAZELTON:
That one in, complete with window. Our final wall, with door, with windows. All right, folks, we're gonna turn this framed wall into a -- a sheathed wall. This is T-111 sheathing here, paneling.

We've trimmed the sheathing to fit the wall and have also cut out the window opening. Christine fires in nails about every 16 inches across the top only.

Now, right now, this building is not very structurally sound. It can move back and forth or rack. We're gonna use this skin right here to do two things. To make sure that it's square, and also to stiffen it up. So what I want to do is kind of look back here and make sure that it's the same, it's the same margin from top to bottom. That's it about right there. All right, Christine about right this far in from the edge. This nail, again about 16 inches apart.

Even with just these two rows in, all that's gone, all that wiggle is gone. By the time we nail this off on all of the studs, this is gonna be very stiff and very, and, and structurally, very sound.

Now, while Chris and Christine are out cutting some more sheathing, I'm gonna start to work on the roof and the first thing I'm doing here is making up what are called roof trusses. There are two pieces of two by four, we cut these earlier and I've put a couple of jigs down here on the floor.

Just tack some strips of wood down to hold these in the right position. I'm gonna put this piece of triangular-shaped wood called a gusset right on the top, I'm gonna attach it all together with some screws. This is gonna go up here on the roof and that will form the shape of the roof, and give it its strength.

But before we install the trusses, we have to put sheathing on the front, and other side of the house. We'll do the back later. We've got all of our sheathing up except this back wall, and we've left that off because we're gonna bring that right up to the peak here.

On top of the sheathed walls, we've placed overhanging two by sixes to form eaves. We align the ends of the truss with the outside of the eave and then attach it by driving screws up from underneath. Once all the trusses are up, we call it a day but we'll finish up tomorrow on what I am told is a very important birthday.
Up next, we finish off the roof and add some quality touches.

Okay, guys, a little roof sheathing. We're gonna be dried in in no time here. Now Christine, there's a little gauge I cut down there. You have to overhang about one inch no the front. You got it, okay. Hold it right there. Chris, you're perfect. You're perfect.

To eliminate any nailing guesswork, I've drawn lines on the roof sheathing to show the location of the trusses underneath. With the sheathing up, we attach fascia boards to cover the ends of the roof trusses.

One drip cap coming your way. Right over the edge, guys.

Drip caps installed along the bottom edges of the roof, will keep rainwater from seeping into the edge of the plywood sheathing. Roofing felt is our first waterproof barrier. We start at the bottom and then overlap the upper strip, attaching the material with staples. Asphalt shingles laid on top, will make the playhouse water tight.

When you invited me over here to help you build this playhouse, did you think you'd up on a roof doing shingles?
[BOTH SPEAK AT ONCE]
CHRISTINE:
No, I didn't think I'd be up on the roof.
RON HAZELTON:
And yet you look so natural up here. All right, guys, we're up to the windows now. I'm putting a bead of sealant on here. Now this is an excellent window that we're putting in here. In fact, probably better than the windows you've got in the house right now.

It's dual, dual glaze, two panes of glass.
[BOTH SPEAK AT ONCE]
The kids could live out here. That's what I had in mind actually, you know, if it comes to it. Now put this right down on the sill.

Chris and Christine tip the window upright, and press it firmly against the wall.

This window has got great insulation value. All right, now if you noticed, we've put the caulk here. Here's the -- this is called a nailing flange. You see it's kind of squishing out there. That means that we've made a really good seal. And to put this in, we're using an inch and a half or two inch roofing nail here.
After the flange is securely nailed, we can seal it with strips of one by four wood trim.

Now, no front porch would be complete without a railing, right?
CHRISTINE:
That's right.

CHRIS:
Sure.
RON HAZELTON:
So were gonna make one up. Actually, we're gonna make this out of very standard parts. This is just a piece of railing right here that comes machined this way in eight foot lengths. And this is a standard baluster. We've cut these down so that they're a little bit shorter and have obviously cut the railing into short pieces, because we don't need very, a very long railing here.

And this is how this is gonna go together.

I squeeze a dollop of construction adhesive into each baluster opening in the railing.

Now I'm gonna take one of these, drop it in this precut hole right here. Christine, if you'll pick up that nail gun, this is actually a pin nailer, and what we want to do is, we want to toenail this. So we're gonna be coming in at an angle, so you probably want to hold it about like that, okay. Pull the trigger.

[NAIL GUN] Now the sound you hear, this is, you notice there's no cord to this, there's no hose coming to this, it has its own compressor built into the nail gun. So for small jobs like this, it's really very nice, okay. All right, now we're gonna take another piece of exactly the same material and we're gonna put it on this way. This is actually gonna be the bottom.

Christine drives screws through the bottom rail, while Chris holds the balusters in place.

Well, now that we've got that railing made up, let's just set it in place, Chris. Just -- I want to put that block down there as a spacer, okay?

Once the railing is set into position, I toenail it into place. Well, it's getting close to birthday time. So now little Rachel's aunts, friends and relatives have all gotten into the act, fashioning homemade curtains and other housewarming touches.

Now I have a thought here. You could even sell lemonade out of here, couldn't you? Huh? And you could greet the neighbors when they came to call. Hi, Rachel. Could I come in and have a cup of tea with you?
RACHEL SHAW:
And I says, sure.
RON HAZELTON:
She's loving it, and it's perfect for her, but you actually built it. You did this with your own two hands.
CHRIS"
We had a great two days. Building this was a lot of fun, a lot more fun than I thought it would be. A lot more -- see what it's turned out.
CHRISTINE:
A lot of it wasn't quite as complicated when you had all that wood and stuff, and I thought I don't know what we're gonna do with all, but it was easier than I thought. A lot of it was easier than I thought it was gonna be when we started the project.
RON HAZELTON:
Great. Now this is just the beginning. Because in a few years, Thomas is gonna be big enough, you're gonna have to put on a second story and an addition over here.
CHRIS:
Yeah
[BOTH SPEAK AT ONCE]
CHRISTINE:
A garage.
RON HAZELTON:
I can see this taking up the whole backyard one of these days. Rachel, enjoy your house, hon, okay? Oh, here comes the other occupant. This gonna be a territorial thing?
CHRIS:
It could be. That extension may come sooner than we thought.
RON HAZELTON:
Bye, guys.

Well, our playhouse may not rival the stunning architectural wonders of the Windy City, but to one little girl in Chicagoland, this is absolutely the most wonderful house on the planet. Happy birthday, Rachel.

Build an outdoor child's playhouse with basic building materials and create a space for your children that they can call their very own.

Capture the playhouse that lives in your child's imagination and make it a reality. With a little bit of planning and the proper tools, you can design, build, and decorate a playhouse that will stand up to the wear and tear that your kids will inflict upon it, as well as the weather. Using a few basic building techniques, your child's playhouse can be fun, functional, and structurally sound.

Using a nail gun to secure the floor joists

Step 1

Build the Floor Frame

After you have decided on a size, location, and layout, it is time to cut and attach pressure treated joists to form a frame for the floor. Use nails to hold the frame pieces together. Stakes can be set into the ground to mark the corners, because you will need to set the completed frame aside for a bit in order to complete the next step.

Double checking the level between two corners of the foundation

Step 2

Level the Foundation

Use sand and flat paving stones to construct a level foundation for the joists to sit on. Make sure you use a level to ensure that the pavers are all at the same height. A length of string can also be used to help you complete this step. It is important that additional sand and pavers are set into any low spots so that the frame of the playhouse won't settle later.

Step 3

Install Porch Posts

Clamp the first post into place against the outside joist, and then use a post level to make sure it is standing up straight and not leaning. Once you are confident that it is where you want it, drill a hole through the joist and the post, and then secure it with a bolt, washer, and nut. Repeat this step for all 4 posts. Make sure you use galvanized nuts and bolts so that they don't deteriorate in the weather.

Step 4

A tip on Flooring Installation

Tack a strip of roofing felt between the floor boards and joists to eliminate squeaks and to add an extra measure of weatherproofing to your project. The felt will prevent the wood from rubbing and the result is a much quieter floor. You can use staples to tack down the felt.

Screwing the final floor boards into place

Step 5

Install the Floor Boards

Start with any floor boards that need to be notched or trimmed to fit around posts. You can use a jig saw to cut the notches. Once those are in place, you can install the rest of your floor using galvanized screws. Pressure treated decking works great for the floor of an outdoor child's playhouse.

Step 6

Frame the Walls

Nail together the basic structure of each wall on a flat surface, one at a time. As the walls are completed, screw them into place through the bottom plate and into the floor. Make sure that each wall is also nailed or screwed into the adjoining wall at each corner. The walls may seem a bit rickety at this point, but they will tighten up in the next step.

Making sure that the sheeting is level with the corner of the frame

Step 7

Install the sheeting

For this project, Ron is using T-111 siding. Each piece should be cut to the proper size and set in place over the outside of the wall studs. Use a nail gun to secure the sheeting to the wall, keeping about 16 inches between each nail. As you secure the sheeting to the frame, you will notice that the house becomes much more stable and that the wall doesn't wiggle, shake or move.

Lifting the first truss onto the top plate

Step 8

Construct and Install Roof Joists

The easiest way to build the roof trusses and attach the gussets is to layout a simple jig on the floor of the house. It can be quickly removed when the project is complete. Once you have the trusses constructed, you will need to set them into place and secure them through the bottom of the eave with a screw. Like the walls, they will become much more secure once the sheeting is put into place.

Step 9

Install the Roof

After the trusses are all in place, install the roof sheeting the same way that you did the walls. After the sheeting is in place, install a strip of aluminum drip edge to prevent water from seeping into the sheeting. Once that is in place, roll out the roofing felt starting at the bottom edge and work your way up. It can be fastened down with staples. Lay the shingles over the top of the felt, again starting at the bottom, to complete the roof. Your playhouse is now sealed up tight against any rain, snow, wind or other weather that may come your way.

Step 10

Set Windows into Place

Windows can be installed from the outside of the house and fastened directly against the exterior wall. Make sure you seal the flange between the wall and the window with caulk, and then secure the window to the house by driving roofing nails through the nailing flange and into the frame of the playhouse. Once the window is secure, it can be trimmed with a 1x4 frame to make it look finished.

Making sure that the railing is going to fit the opening

Step 11

Build a Railing for the Porch

You can use a pre-fabricated railing system that should be available at most home improvement stores. Glue the balusters into place, and then secure them with finish nails for added stability. Once the rail is constructed, it can be set into place and secured to the porch posts that were installed in Step 3.

Step 12

Add Your Own Finishing Touches

The personal touches that can be added to a playhouse like this don't know any limit. Custom pieces, decorations, or themes can be added to accommodate the flavors and styles of any child for a backyard playground that is truly custom and fun. This is a great step to let the kids participate in, and they may get just as much value out of helping as they will out of playing in the completed project.

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How to Build a Play House for Children