Environmentally-friendly and low-cost construction materials have recently received increased attention recently.Ecological and environmental benefits support the use of waste glass powder as a supplementary cementing material by decreasing the amount of landfills, by the reduction of non-renewable natural resource consumption, by reduction of energy demand for cement production (less cement is needed), and by reducing greenhouse gas emission.The application of different glass types (sorted by chemical composition) for powders shows the improvement of mechanical properties of the concrete and going along with improvements for the concrete durability issues, that makes glass powder a valuable supplementary cementitious material or Portland cement substitute.The present research is focused to obtain an ecologically sustainable foamed concrete with the application of waste glass powder as cement substitute at a level of 20% per mass and optimal pore size distribution.The foamed concrete is obtained by mixing in a high-speed disperser under laboratory conditions with a good balance between the mechanical and thermal properties.