Red Seal Construction Craft Worker Exam 2026 – Complete Practice Test

The term “backfill” in the context of construction refers specifically to the process of refilling excavated areas. This practice is vital for restoring the stability of the landscape after excavation for foundations, utility trenches, or other purposes. Backfilling involves using soil or other materials to fill the voids that remain after these areas have been cleared and prepared.

This process not only supports the structures above but also ensures proper drainage and reduces the risk of settling or erosion afterward. In addition, backfilling can help in achieving the desired grade for landscaping. It’s commonly performed after the installation of foundational systems or below-grade elements, thereby playing a crucial role in the overall construction process.