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.

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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.

Reading the post level
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.

A strip of felt cut to fit the joist
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.

Putting the second wall into place
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.

Lining up the sheeting for the roof
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.

Nailing through the flange
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.

Making curtains for the window
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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