A barrier for a home is disclosed. The barrier includes two portions that are quickly slideable relative to each other to take expanded and contracted forms. The barrier includes a metal frame and wood panels engaged in the metal frame. Each of the two portions includes at least one wood panel such that, when the barrier portions are slid to and away from each other, the wood panels slide to and away from each other. The barrier includes a corner pet door that opens in the expanded or contracted forms.