Your Roof, Built Right.
The First Time.

100MOD Exterior is a locally owned roofing company working across Pennsylvania, Maryland, Delaware and New Jersey. Honest estimates, quality materials, and a crew that cleans up like they were never there.

Locally owned Pennsylvania LLC  ·  Hands-on roofing experience  ·  Free, no-pressure estimates

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Get a Free Estimate

Answer a few quick questions. Takes about 30 seconds.

What do you need done?

Locally Owned

A local Pennsylvania LLC, accountable to the neighbors we work for.

Experienced Crew

Real, hands-on roofing experience on homes across four states.

Quality Materials

Manufacturer-backed shingles and warranties.

No-Pressure Estimates

A straight answer and a fair price. No upsells, no games.

What We Do

Residential roofing is what we do most. If it keeps the weather out, we handle it.

Roof Replacement

Full tear-off and re-roof with quality shingles, underlayment, and flashing. Done once, done right.

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Roof Repair

Leaks, missing shingles, flashing, and vent issues fixed properly, not patched over.

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Storm & Wind Damage

Wind, hail, and winter damage assessed honestly, with help documenting for your insurance claim.

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Commercial & Agricultural

Shops, barns, and light commercial buildings across all four states we serve.

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New name. Not new to roofing.

100mod is a locally owned Pennsylvania LLC built on real, hands-on roofing experience, and our reputation rides on every job. That means honest recommendations and clean job sites. We'll only take on work we're proud to put our name on.

Built Right

Proper tear-off, proper flashing, no shortcuts you'll pay for later.

People First

You talk to the people doing the work, not a call center.

Quality Always

Quality materials, manufacturer warranties, and a walkthrough at the end.

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How It Works

Straightforward, and on your schedule.

  1. 1

    Get in Touch

    Request your free estimate online. It takes about 30 seconds.

  2. 2

    Free Inspection

    We look at the roof, explain what we find in plain English, and take photos so you can see it too.

  3. 3

    Clear Quote

    A written, itemized estimate with real numbers, and a price that won't expire on you.

  4. 4

    Built Right

    We show up when we say, protect your property, and walk the finished job with you.

Four states. One standard.

We operate out of Pennsylvania, Maryland, Delaware and New Jersey.

Not sure whether you're in range? Ask us. If you're in one of these four states, we probably cover you.

Let's get your roof handled.

Answer a few quick questions and we'll get back to you within one business day with a free estimate.

Free, and no obligation.

Get a Free Estimate