This book presents the state of the art on the topic of recycling of plastic building materials, comprising a synthetic market analysis, and presenting the latest developments in plastic recycling technologies. The book also makes recommendations to optimize the success of recycling and encourage the circular economy, while acknowledging the environmental and sustainability implications of plastic recycling for building construction. The distinctive features of this book are the variety of topics covered on sustainable plastic recycling, the discussion of advances in plastic recycling technology, detailed illustrations, and summarized descriptions of separation processes. This book is a guide for both technical and non-technical readers, and for anyone involved in plastic waste or recycling, including researchers and students in plastics engineering, polymer science, polymer chemistry, environmental science, and sustainable materials.