Quaker State Construction is a deck, porch and patio contractor, providing the people in the Pittsburgh area with a way to enjoy leisure time for over 45 years. We specialize in parquet decks, traditional wooden deck construction, alternative material and composite decking, extreme deck make over, patios and home remodeling projects ranging from room additions like sunrooms and screened enclosures, to siding and roofing, to the replacement of windows and doors.