Expert advice
How Long Does Bathroom Silicone Last?
Factors that influence sealant life and how to recognise deterioration.
Why lifespan varies
Different silicone products, surface preparation, joint movement, moisture exposure, cleaning chemicals and ventilation all affect how long a seal remains serviceable.
Inspection matters more than age
Look for cracking, detachment, gaps and water ingress. Some staining may be cosmetic, while a newly installed seal can fail early if the underlying joint moves or was poorly prepared.
When to call a specialist
If a joint is failing or repeatedly leaking, ask for an assessment. Replacing silicone cannot fix hidden plumbing faults or structural movement.
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