Some contractors or builders may occasionally skip sealing grout as a way to cut corners, reduce labor costs, or speed up project completion timelines before handing over a newly renovated space. Additionally, many modern cement-based grouts include built-in polymer or latex additives that manufacturers claim offer enhanced stain resistance, leading some installers to believe additional sealing is redundant. Furthermore, standard penetrating sealers cannot be applied immediately to fresh grout because cement requires a complete twenty-eight-day curing hydration process first, meaning the proper sealing window often falls outside the contractor's active work schedule, leaving it for the homeowner.
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