The use of insulating concrete forms (ICFs) is one of the hottest trends in residential construction. But since concrete must be placed into ICFs at a slower, more controlled rate than with conventional forms, doing it correctly can be tricky. Skill, preparation, and practice are key to successful results. To help contractors avoid problems, the following tips are discussed: Performing a prepour inspection -Ordering the right concrete mix -Choosing the right placing equipment -Taking precautions in extreme weather -Placing concrete in thin lifts -Using the correct pour pattern