KNOCKOUTSealcoating
610-938-4469Free estimate

About

About Knockout

Locally owned. On time, on the phone, on the job.

Get a free estimateor call 610-938-4469

We'll reply within the hour during the workday — evenings, first thing next morning. No pressure, no obligation.

  • 30+ Google reviews
  • Licensed & Insured
  • Locally owned
Knockout Sealcoating work in progress

Our story

Why Knockout exists.

Knockout Sealcoating's branded Ford F-250 — phone 610-938-4469 and USDOT 4556877 visible on the doorKnockout's trailer-mounted sealcoating tank and applicator

Knockout Sealcoating was founded in December 2025 by Bobby, a Norristown native who grew up watching the driveways and parking lots around him fade, crack, and get torn up before their time. He started Knockout to do the work the way he’d want it done on his own street — no shortcuts, no watered-down product, and a straight answer to every question.

This is a young business. We say that on purpose. Knockout isn’t a national chain or a third-generation operation — it’s a one-truck shop built by a neighbor who answers his own phone and walks every property himself. What you get is the attention that comes with that, held to the same standards a much larger company would be measured against.

The goal isn’t to grow as fast as possible. It’s to grow without losing the reason we started: doing right by the people whose homes and properties we work on, and the community we all share.

What we stand for

Four things we don't compromise on.

  • Local, accountable

    We live and work where you do. We answer to our neighbors.

  • No shortcuts

    The standards we hold ourselves to don't shift based on the size of the job. No watered-down product, no skipped prep.

  • On time. On the phone. On the job.

    We respond within the hour during the workday — evenings, first thing next morning. We show up when we said we would. We finish what we started.

  • Community-first

    We support the local businesses around us. We hope you support yours.

Common questions

Process. Materials. Timing. Pricing. Aftercare.

The deeper version of what we get asked most. If something isn't covered here, call us — we'll talk it through.

Process

  • What does a typical job look like?
    We come out for a site walk, give a written quote, schedule around your week, and execute in a day. We text you when we're on the way, and walk through the finished work with you before we leave.
  • Do I need to be home?
    No — we just need access to the driveway and a clear path. We'll text you when we arrive and when we're done.
  • What's your turnaround from quote to job?
    Usually one to two weeks in season, depending on weather and our schedule. We'll give you a real date, not a window.

Materials

  • What sealer do you use?
    Premium asphalt sealer — water-based for residential, two coats hand-brushed at the perimeter and sprayed on the field. Specific product details available on request.
  • Hot pour vs. cold pour for cracks?
    Hot pour for cracks ¼ inch or wider — a rubberized sealant that bonds permanently and flexes with temperature. Cold pour for hairlines. We use the right one for the crack.
  • Water-based vs. coal tar?
    We use water-based sealer. It's better for the environment, safer to apply, and performs equivalently for residential surfaces.

Timing

  • How long does it take to dry?
    Touch-dry in 4 to 8 hours depending on temperature and humidity. Traffic-ready in 72 hours.
  • How often should I sealcoat?
    Every 2 to 3 years for residential. Every 2 years for commercial lots with heavy traffic.
  • Best time of year?
    April through October. Dry weather, ground temperature above 50°F overnight, and ideally a 24-hour rain-free window after application.

Pricing

  • How do you quote a job?
    Square footage, surface condition, prep work needed, and accessibility. We measure on-site, give you a written number, and stand by it.
  • What affects the cost?
    Size, condition (more cracking means more prep), access (steep or tight driveways take longer), and whether crack repair is included.

Aftercare

  • When can I drive on it?
    72 hours. We set out cure barriers and they stay in place until then.
  • Why do I see tire marks?
    Brand-new sealer is still settling for the first few weeks. Power steering on a hot day can leave faint marks — they fade.
  • How do I extend the life of my sealcoat?
    Keep oil leaks cleaned up, blow leaves off in the fall, and reseal every 2 to 3 years.

Free estimate

Get your driveway restored

Tell us where and what — we'll get back to you with a real number, fast.

We'll reply within the hour during the workday — evenings, first thing next morning. No pressure, no obligation.