Heavy duty brown plastic decit with the environmentally friendly Manticore Lumber, manufactured in the UK from 100% recycled plastics. mes with a 10 year limited warranty for your peace of mind. Our plastic decit is made from 100% recycled plastic, whereas mposite decit is made from a blend of recycled wood and plastic. Both mposite and plastic deck boards are long-lasting, low-maintenance alternatives to traditional hardwood decit.