Sealing, explained properly.

Practical, trade-level guidance on silicone and mastic sealing: how long it should last, what shortens it, and how to tell when a joint actually needs replacing rather than cleaning.

17 August 2026 · Bathroom & wet room sealing

How Long Should Bathroom Sealant Last?

A straight answer on lifespan, what actually shortens it, the signs it needs replacing rather than cleaning, and why recaulking over old sealant rarely works.

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