If you need a flowable fill contractor for your project in Henderson, CO or the surrounding areas in the Denver metro, turn to Flashfill Services. We’ll mix the flowable fill material to meet your specifications and the project requirements. You’ll enjoy using our backfill concrete mixes because: They’re vertical- and horizontal-load reducing. They’re not as costly as other concrete solutions. They’re easy to excavate and remove. They level on their own and set quickly. They don’t shrink or expand after setting.