1 Unit weights of fly ash and barite-added samples are observed to be higher, whereas, their water absorption levels are observed to be lower in comparison to the others.
2 Unit weight values of pumice and perlite-added samples are observed to be lower, yet their water absorption levels are observed to be higher in comparison to the others.
3 Ultrasonic sound penetration velocity and thermal conductivity coefficients of pumice and perlite-added samples are observed to be lower than the others.
4 All samples fulfill the compressive and flexure strength requirements of ASTM and Turkish Standards.
5 The radiation absorption properties of pumice and perlite-added samples are observed to be better than both the control and the fly ash-added samples.
6 The highest absorption level is observed in barite-added samples.
7 The thermal conductivity coefficients of samples made with onion skins and peanut shells are 3.5–5 times smaller than those of the control ones. This is caused by the fiber ratios. These lightweight construction materials will provide an appreciaple energy saving in buildings.
8 Using onion skin and peanut shell wastes causes a definite decrease in the values of sound permeability, keeping compressive and flexure strengths at levels required by the standards.