In Kent: Welsh natural slate 80–150 years; clay plain tiles 60–100+ years; concrete interlocking tiles 30–50 years; GRP fibreglass flat roofs 25–40 years; EPDM rubber flat roofs 20–30 years; high-performance felt 15–20 years. Maidstone's valley humidity can shorten concrete tile service life compared to drier locations.
| Material | Expected Lifespan |
|---|---|
| Welsh natural slate | 80–150 years |
| Clay plain tiles | 60–100+ years |
| Clay interlocking tiles | 40–70 years |
| Concrete interlocking tiles | 30–50 years |
| GRP fibreglass flat roof | 25–40 years |
| EPDM rubber flat roof | 20–30 years |
| High-performance felt | 15–20 years |
See our full guide on roof lifespan for more detail on each material in the Maidstone climate.
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