How to Stop Water Leaks in Restored Cars
Corinne Salt
Water leaks are one of the most common and damaging problems in classic car restoration.
Even a small gap in a seal can allow moisture to enter, leading to:
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Rust
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Electrical faults
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Interior damage
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Mould growth
Where Leaks Commonly Occur
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Around door apertures
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Boot openings
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Windscreen frames
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Sunroofs
Why Old Seals Fail
Rubber naturally degrades due to:
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UV exposure
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Temperature changes
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Age hardening
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Compression fatigue
Replacing seals during restoration isn’t optional — it’s essential.
Preventative Measures
✔ Inspect all seals before reassembly
✔ Replace hardened rubber
✔ Ensure correct compression
✔ Use high-quality EPDM rubber for weather resistance
Seal Extrusions provides durable sealing solutions designed to keep restored vehicles dry in all weather conditions.
