This step by step woodworking project is aboutinsulated dog house plans free. If you want to protect your pet from extreme weather, you should consider building an insulated dog house. In most of the aspects, building a dog house with insulated walls is almost the same job as making a regular one. The only things you should add to the construction is rigid foam sheets and the interior plywood walls. Don’t forget that you should adjust the size of the dog house, according to the needs of your pet. The dog should be able to turn around easily inside the house.