The majority of contemporary construction industry research in the world has focused on determining the feasibility of local raw materials as an alternative to imported materials in various practical applications, especially in thermal and acoustic insulation. In this book, he discusses the effect of sustainable materials such as limestone as a percentage by weight of cement to reduce the amount of cement used and thus reduce the production of cement, which in turn reduces the emission of carbon dioxide gas and thus affects the environment. Diseases resulting from the cement industry and handling of cement are tantamount to Serious diseases that lead to death. One of the most serious drawbacks of the cement industry is its negative impact on the environment. This book deals with a type of lightweight concrete that has name foam concrete. The writer found that this type of concrete, using an environmentally friendly material, reduces the waste of natural resources and the recycling of waste and industrial waste, in addition to Improving the properties of concrete and maintaining the required strength and durability, While providing thermal and sound insulation and light weight