TL;DR
An asphalt sealer is the protective liquid coating squeegeed or sprayed over asphalt pavement to shield the binder from oxidation, UV, water, and automotive fluids, restoring the black finish while slowing surface raveling. The two binder families are asphalt emulsion and coal-tar emulsion, the latter banned in a growing list of states over PAH toxicity.
What it means
An asphalt sealer is the protective liquid coating squeegeed or sprayed over asphalt pavement to shield the binder from oxidation, UV, water, and automotive fluids, restoring the black finish while slowing surface raveling. The two binder families are asphalt emulsion and coal-tar emulsion, the latter banned in a growing list of states over PAH toxicity. It preserves the top of the pavement only: it neither strengthens the base nor bridges structural cracks, which need hot rubberized filler first. Typical practice is a first application 6 to 12 months after paving, then every 2 to 4 years, not annually, since overapplication causes flaking.
Where it sits in the glossary
Asphalt sealer is part of the Trade jargon group inside the ProFix Directory glossary. Browse every term in this category from the glossary index.
Why Ohio homeowners should know it
This is a term Ohio homeowners encounter when reading contractor quotes, hiring paperwork, or inspection reports. Understanding it well enough to ask one good follow-up question is usually all the protection a homeowner needs.
ProFix Directory keeps definitions short on the index page and saves the longer context — Ohio-specific rules, where the term comes from, and which ProFix tools touch it — for these per-term pages so the term is easy to cite and easy to share.
ProFix tools that touch this term
See also
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