Uneven floors can ruin any flooring install but self-leveling underlayment makes fixing it easier than you think. This step-by-step DIY guide shows you how to prep, pour, and smooth out a concrete ...

Jianzhuang Xiao is a professor of recycled concrete materials and structures at Tongji University, Shanghai, China, and a vice-president at Guangxi University, Nanning, China. Zongjin Li is a ...