Compressive strength Aggregates Bottom ash Cement sand brick Coarse aggregates Concrete aggregates Construction Industry Construction industry Contractors Controlled Low Strength Materials (CLSM) Controlled low strength materials Controlled low-strength material Density Descriptive statistics Design and build Environmental engineering Experiential knowledge Fine aggregates High-strength Hydrated lime IBS Industrialized building systems (IBS) Integration Kruskal-Wallis tests Malaysia Manufacture Manufacturers Mass percentage Maximum strength Mixtures