How does frost and ground movement affect the edging?
While individual bricks can shift over time or during cold weather, the solid concrete from alternative edges will not. To ensure this, the edging is reinforced with a fiber mesh, which strengthens the concrete without the need for steel rebar. In addition, the expansion joints help control shifting and cracking during winter. If the edging does shift enough to crack, it should crack in the expansion joint and not be noticable.
