Root barrier solutions
Six barrier systems we install across the UK. Compare them at a glance, then dive in to the option matched to your soil, tree and budget.
At a glance
How the six options compare
| Barrier type | Best for | Typical depth | Service life | Cost (£/lm) | Disruption |
|---|---|---|---|---|---|
| HDPE | Mature broadleaf trees within 10 m of a property | 1.0–2.0 m | 50+ years | £90 – £160 | Medium |
| Copper Geotextile | New tree planting near hardstanding | 0.3–0.6 m | 20+ years | £60 – £120 | Low |
| Biobarrier | Large landscape projects | 0.6–1.2 m | 15+ years | £100 – £180 | Medium |
| Concrete Barrier | Listed and high-value structures | 1.5–3.0 m | Permanent | £250 – £450 | High |
| Bentonite | Sites with active ground movement | 1.0–2.0 m | 50+ years | £140 – £220 | Medium |
| Deflector Panels | New tree pits in pavements | 0.6–0.9 m | 40+ years | £110 – £180 | Low |
Costs are typical UK installed prices per linear metre. Final price depends on depth, access and reinstatement scope.
Deep dive
Browse each barrier type
HDPE Root Barrier
The industry-standard physical barrier for medium and large trees.
From £90 – £160 per linear metre installed
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Copper-Impregnated Geotextile
Lightweight chemical-deflection fabric for newly planted or smaller trees.
From £60 – £120 per linear metre installed
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Biobarrier (Trifluralin Fabric)
Time-release herbicide nodes on a permeable fabric, used in landscape applications.
From £100 – £180 per linear metre installed
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Reinforced Concrete Root Barrier
Heavy-duty cast-in-place barrier for the highest-risk situations.
From £250 – £450 per linear metre installed
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Bentonite Clay Barrier
Self-sealing clay panels used where ground movement is expected.
From £140 – £220 per linear metre installed
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Mechanical Root Deflector Panels
Ribbed rigid panels designed to deflect roots downward.
From £110 – £180 per linear metre installed
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