A standard wax ring toilet seal typically lasts between 20 to 30 years, often matching the lifespan of the toilet itself, provided the porcelain bowl remains completely stable and never rocks or shifts. However, if floor bolts loosen or the subfloor flexes, the wax seal can break prematurely within a few years, causing leaks. Modern rubber or foam waxless gaskets also offer decades of reliable durability and can be repositioned easily. Verification: Check that the toilet base remains completely rigid and immovable when gently pushed.
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