Q-LITE® Quality Lightweight Concrete Masonry Units, developed by Arcosa Lightweight, are the lightest-weight blended aggregate units available, and combine the benefits of blending with a U.L.-certified fire rating. These Technical Information Sheets explains the features that give Q-LITE concrete masonry units their unique quality, and addresses specific Q-LITE attributes that will be of interest to specifiers, designers and other members of the construction industry.