The present invention relates to the use of a chemical foaming agent as insulation for a cylindrical plastic wood duck house. A second aspect of the present invention is the inspection door that fits snugly into a depression of matching size on the side of the cylindrical wood duck house. A third aspect of the present invention relates to securing the wood duck house to a round plastic PVC pole. The neck at the base of the wood duck house rests atop and over a round plastic PVC pole of slightly smaller diameter. The security collar of the present invention snaps snuggly onto the neck of the wood duck house. The peg on the inside security collar fits into an opening on the neck of the wood duck house and then through an opening on the round plastic PVC pole. The peg on the security collar acts as a spear through the neck of the wood duck house and the pole to stabilize and secure the wood duck house to the pole. The fourth aspect of the present invention relates to a two part connecting device with one end of smaller diameter fitting under and inside the neck of the wood duck house. The other end of the connecting device of larger diameter fits over the top of a round plastic PVC pole. The top of the connecting device with the smaller diameter has a hole on the side of the same size as the peg on the security collar. The connecting device is an adapter coupler to engage the wood duck house to the round PVC pole without the need for additional tools.
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