Shamel Ash Near House & Patio: Root Barrier vs. Removal

Shamel ash (25–30 ft, 10″ trunk) 8 ft from house corner, 6 ft from patio/fence. Vigorous roots heading toward foundation. Species grows to 80 ft, roots 2× canopy spread.

Options

1. Root barrier: Trench along patio/fence, install trifluralin fabric (Biobarrier) to divert roots. One-time, long-lasting.
2. Prune overhanging limbs to keep 20 ft from house.
3. Root pruning: Can cut ≤33% roots (calculate by canopy circle sector).
4. Removal: If roots already under patio/foundation, barrier may be too late.

Foundation Note

Roots don’t crack sound foundations; they follow leaks. Keep foundation dry.

Decision depends on current root spread and owner’s risk tolerance. Barriers work best proactively.