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Flat Roof Repair Washington NJ

Clifton-based, NJ HIC #13VH11720500. 2-year workmanship warranty.

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  • 5.0 rating on Google
  • NJ HIC #13VH11720500
  • Free, no-obligation estimates

Get a Free Roof Estimate

5.0 rating on Google

“Ben inspected our roof there was a bad leak he found where the leak was coming from with accuracy and repaired it never had a leak since”
— Alex Z., Google review

No obligation. We inspect before we quote.

BusinessRate TOP 3 · 2026 A Top 3 roofing contractor in Clifton, NJ, based on verified Google reviews. See our awards →

Four Seasons Roofing and Construction repairs flat and low-slope roofs in Washington, NJ. Ponding, seams, flashing, and drains get diagnosed in a free inspection, and repair versus re-cover gets called honestly, each with its own written number.

  • Repair or re-cover called straight, with a written number for each real option
  • Free inspection first, with photos of what we find
  • Licensed and insured, NJ HIC #13VH11720500

What Homeowners Say on Google

5.0 average rating

Jun L.2 years ago

“I called Ben from Four Season Roofing and Construction to fix my siding and some roof leaks. Working with Ben and his crew was one of the best experience I had with any contractors. These guys were very professional with outstanding workmanship. I have absolutely no complaints with Four Season Roofing and I will work with them again in the future. Thank you Ben for coming through at the last minute to take care of me.”

Steve M.2 years ago

“Ben and his crew did a tremendous job with repairing our gutters. He did additional work at no charge to ensure proper functionality... and used quality materials that are better than original. Will be hiring Four Seasons Construction for our future home construction work.”

Joselia3 years ago

“Very consultative and great communication. We’re first time homeowners and felt comfortable through this journey. Fair price and good service. Thank you Ben and team for repairing our roof.”

Read all our reviews on Google

At a Glance

The Facts on Four Seasons Roofing and Construction

Four Seasons Roofing and Construction provides flat roof repair in Washington. Four Seasons Roofing and Construction is a home improvement contractor based at 38 Speer Ave in Clifton, New Jersey. Four Seasons Roofing and Construction has held New Jersey Home Improvement Contractor licence #13VH11720500 since 2021. Four Seasons Roofing and Construction installs GAF and Owens Corning roofing systems.

Questions about flat roof repair in Washington? Call (862) 318-3997 and ask.

Call (862) 318-3997 Get a Free Estimate

See every roofing service we offer · Request a free roof estimate

Flat roof leaking in Washington? Ring (862) 318-3997 or drop your details in the form on this page, and a written estimate comes back to you.

Flat roof repair in Washington NJ is rarely about the steep front of the house. It is about the low-slope work tucked behind it. The rear addition. The porch roof someone enclosed years ago. The dead-flat run over a back kitchen on one of these Victorian-era homes from the borough's organ-manufacturing days. Those surfaces hold water instead of shedding it, and they fail at the seams long before the pitched roof out front ever does. We work on flat systems every week, and our shop runs out of Clifton.

Find the Real Source

We chase the failed seam or the backed-up drain. We do not slap coating over the whole roof and hope.

Out to Warren County

The flat-roof trucks run west to Washington along the Route 31 and Route 57 corridor, leak calls included.

The Number in Writing

You get an itemized written price after the free inspection, not a figure shouted from the driveway.

Where Flat Roofs Hide on a Washington House

Washington is a small Warren County borough with a real stock of Victorian-era homes left over from its run as an organ and musical-instrument manufacturing center. Those houses wear steep front pitches, multiple gables, and ornate dormers, and buyers fall for that front roofline. The leak almost never starts there. It starts on the flat work nobody photographs: the rear addition tacked on decades after the original build, the second-floor porch that got a roof so it could become a room, the low-slope run over a back mudroom. Newer post-war homes around town carry their own flat sections too. Most of these surfaces are aging EPDM rubber or torch-down that has been patched at least once, usually by someone who reached for caulk and the wrong material.

Ready for a price in Washington? Estimates are free.

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Flat roof repair on a Washington NJ home by Four Seasons Roofing and Construction
Flat roof repair on a Washington NJ home by Four Seasons Roofing and Construction
Membrane seam repair on a flat roof in Washington NJ
Membrane seam repair on a flat roof in Washington NJ

When a Flat Roof Starts Showing Its Age

A membrane tells you it is in trouble before it floods the ceiling. Water that is still sitting up there two days after the rain stopped. Seams that have curled up at the edge like the corner of an old sticker. Soft, spongy spots underfoot when you walk it. A brown stain spreading under a dead-flat section, or a coating job that keeps peeling no matter how many times it gets redone. Any one of those is worth a phone call before winter gets its hands on it.

How We Trace a Leak Instead of Guessing

Questions about flat roof repair in Washington? Call (862) 318-3997 and ask.

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1. Walk the Whole Membrane

We map the ponding, the seam condition, and every penetration before touching a thing.

2. Find the True Entry

The wet spot inside is rarely under the hole. We follow the water back to where it actually gets in.

3. Repair in Kind

EPDM gets EPDM detailing, TPO gets a weld. We match the system you already have.

4. Prove the Drainage

We check that water leaves the way it should, so the patch holds instead of buying you one season.

A Flat Roof Is Its Own Trade

Low-slope membrane work on a Washington NJ flat roof addition
Low-slope membrane work on a Washington NJ flat roof addition

A pitched roof sheds water and a flat roof holds it, then dares it to find a seam. That is the whole difference, and it is why a shingle-only crew leaves flat work leaking inside a season. Wrong material, wrong detailing, wrong instinct about where the trouble lives. Washington sits out in the open western hills of Warren County, where the Morris Canal once ran along the north end of town, and the weather that rolls through here works a loose membrane edge hard. A seam that would have held another year in a sheltered yard lets go early when the wind keeps prying at it.

The Membranes We Repair

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EPDM is the black rubber on most of the residential flat roofs around here. Maintained at the seams and flashings, it lasts for decades, and when it fails it fails at the joints, not out in the open field. TPO shows up white and heat-welded on newer work; a repair on TPO has to be welded too, because a glued patch is a leak waiting for its date. Modified bitumen, the torch-down rolls on older roofs, blisters and opens at the laps, and we cut those out and patch them with the same layered asphalt.

What Actually Wears a Flat Roof Out

Ponding water. Anything still standing 48 hours after the sky clears is eating into the membrane's life and voiding most of its warranty, and the cure is sometimes drainage rather than the membrane itself. Backed-up drains and scuppers. The older blocks near the center of the borough have mature trees, and the leaves end up in the drain. Freeze and thaw at the seams. A hairline gap fills with water, that water turns to ice, and by spring the seam is wide open. Foot traffic. A satellite installer's ladder feet and a dropped wrench puncture more membranes than weather ever does.

What Sets the Number on a Flat Roof

System type comes first, since EPDM, torch-down, and TPO each repair differently. After that it is how much ponding the roof carries, how many penetrations crowd the surface, and whether water has already reached the deck underneath. A single failed seam on a sound membrane is a small job. A field that has gone brittle end to end is a different conversation, and we will have it honestly with photos in your hand.

Questions about flat roof repair in Washington? Call (862) 318-3997 and ask.

Call (862) 318-3997 Get a Free Estimate

A Warranty You Can Lean On

Repairs carry a two-year workmanship warranty and full replacements are backed for fifty years on the material. We hold NJ Home Improvement Contractor license #13VH11720500 and we are insured, and the roofer who walked your membrane and wrote your number is the one who comes back to weld the patch. The crew that quoted your Washington job is the crew that does it, not a stranger sent over on day one.

Help With Paying For It

Seniors and those who have served take $500 off the job. On the larger membrane jobs we can set up 0% financing so the work gets done now and the cost spreads out across the year instead of landing all at once.

Patch, Coat, or Re-Cover: The Honest Math

A seam repair on a membrane that is otherwise sound buys you years for very little. A silicone or acrylic coating on a roof that is tired but still dry buys close to a decade for a fraction of a tear-off. A re-cover earns its keep when the field has gone brittle from edge to edge. And a full replacement is the answer only when the roof is wet underneath, because coating over trapped moisture just seals the rot in. The inspection sorts out which roof you actually own, and now and then a moisture scan settles the argument for good.

What we will not do is coat a soaked roof because coating sells easy. That fix peels by the second winter, and everybody remembers whose name was on the invoice.

My addition roof ponds near the drain. How bad is that? Gone in a day or two, you can live with it. Standing longer than that, it is shortening the membrane and worth a drainage fix.

Can I turn my flat roof into a deck? Often, yes, but the membrane and the structure get looked at first. A deck built over a fifteen-year-old membrane means tearing the deck off in five. We sequence it so you do it once.

Will you do flat roof repairs in winter? Yes, with a caution about materials. Some products need warmth to cure, so a January call gets a sound temporary seal and a finish pass once the weather turns.

Roof inspection deciding between patch, coating, or re-cover on a Washington NJ flat roof
Roof inspection deciding between patch, coating, or re-cover on a Washington NJ flat roof

Ready for a price in Washington? Estimates are free.

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The Pitched-to-Flat Transition, Done Right

The trickiest spot on a Washington house is where the steep historic roof hands its water down onto a flat addition. On these old organ-era homes that joint was frequently an afterthought, flashed with whatever was handy the day the addition went up. Now it is the single most common place we find a leak. Water sheets off the pitched field above, concentrates at the bottom, and hits a flat membrane whose flashing was never built to take that volume. We rebuild that transition as one detail, tying the pitched flashing into the membrane the way it should have gone in the first place. A roofer who only does shingles will caulk it. A flat-roof-only guy will miss that the pitched field above is what is feeding the failure. One contractor handles both, and that is the only way the seam actually stays dry.

On the more exposed lots out toward the edges of the borough, this transition takes more abuse. The same gusts that lift a ridge cap also pry at the edge metal where pitch meets flat, so we fasten and seal that line for the exposure it really sees, not the calm one in the brochure.

Do you handle the drains and scuppers too? Yes, clearing and re-flashing both. A clogged drain on a flat roof is a swimming pool with a deadline.

How long do these membranes really last around here? Honest local numbers: EPDM runs 20 to 30 years with maintained seams, TPO 15 to 25 depending on thickness, torch-down 12 to 20. Every one of those assumes the drains stay clear, because standing water subtracts years from all of them.

Can you add insulation while re-covering? Yes, and a re-cover is the right moment for it. Rigid board between the deck and the membrane cuts the heat that pours out of what is usually the least-insulated surface on the house, and tapered board can fix the ponding in the same pass.

Repairing the pitched-to-flat transition on a Washington NJ roof
Repairing the pitched-to-flat transition on a Washington NJ roof

Questions about flat roof repair in Washington? Call (862) 318-3997 and ask.

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FAQs

Flat Roof Repair Questions From Washington Homeowners

How fast can you get to a leak in Washington?

Inspections book within days, and an active leak gets prioritized once we are scheduled out your way. A leak that cannot wait goes to emergency roof repair in Washington.

Should I repair or recoat my Washington flat roof?

A coating laid over a failed seam fails with it. We fix the seam first. If the membrane is genuinely done, you get that verdict with photos before you spend a dime on coating.

Why does my Washington flat roof pond after every rain?

Usually the structure has settled or the drains are clogged. A small puddle that drains in a day is normal. One that sits for two days is rotting the membrane and needs a drainage fix.

Do you work on flat roofs over additions and porches in Washington?

That is most of what we repair in town. Rear additions, enclosed porches, mudroom roofs, all low-slope, all handled.

A Few More Flat Roof Answers

Repair or re-cover?

If the membrane is sound and the trouble is local, a seam or a puncture or a flashing, we repair it. If the field is brittle or wet underneath, patching is throwing good money after bad, and the photos will show you why.

Can you add slope to stop ponding on a Washington flat roof?

Often, yes. Tapered insulation during a re-cover sends water toward the drains it should have been reaching all along.

The last owner painted it silver. Good or bad?

Aluminum coating on torch-down was honest upkeep in its day. The catch is that you cannot read the seams under thick silver, so we probe rather than trust the shine and tell you whether it was maintenance or camouflage.

Related Services for Washington

Ready for a price in Washington? Estimates are free.

Call (862) 318-3997 Get a Free Estimate

Serving all of Washington: start at roofing in Washington for the full picture. The pitched part of the house has its own page at roof repair in Washington. A stain already spreading on the ceiling means Washington Roof Leak Repair. When the membrane is truly finished, roof replacement in Washington lays out the math. Our core flat roofing service explains the systems in full, and the flat roof repair hub covers the rest of the region.

Free roof inspection before a flat roof repair in Washington NJ
Free roof inspection before a flat roof repair in Washington NJ
Roof leak repair in progress on a Washington NJ home
Roof leak repair in progress on a Washington NJ home
Roofer inspecting a flat roof membrane in Washington NJ
Roofer inspecting a flat roof membrane in Washington NJ

Questions about flat roof repair in Washington? Call (862) 318-3997 and ask.

Call (862) 318-3997 Get a Free Estimate

Service Areas

Where We Work

Our shop sits at 38 Speer Ave in Clifton, and the flat roof trucks run west into Warren County to Washington along the Route 31 and Route 57 corridor. We cover the borough and reach the nearby towns too: Phillipsburg to the west and Hackettstown to the northeast both get the same crews and the same flat-roof systems.

Driving Directions to Four Seasons From Towns Around Washington

Every Washington job runs out of our shop at 38 Speer Ave in Clifton. Pick one of the towns around Washington and the map opens turn-by-turn directions to the door.

From Washington Township, NJ

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From Mansfield Township, NJ

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From Oxford, NJ

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Get Eyes on Your Flat Roof Before Winter

Reach us at (862) 318-3997 or send the form on this page to book a free Washington inspection. A person answers when you call, not a phone tree.

Call (862) 318-3997 Get a Free Roof Estimate

Nearby flat roof help: Phillipsburg and Hackettstown, or the North Jersey flat roof overview.

Who Covers What on a Washington Job

What each part of the work is backed by, and for how long
Part of the jobBacked byFor how long
Workmanship on the installFour Seasons, in writing2-year warranty
Roofing materialsThe manufacturer (GAF or Owens Corning)Up to 50 years
Inspection and photo reportFour SeasonsFree, before any quote, no obligation
The estimateFour SeasonsWritten and itemized before work starts
Permit and inspectionWashington building departmentWe file it and schedule around the inspection
Permits and Paperwork

Who Signs Off on the Work in Washington

When a job here needs a permit, it goes through the Washington building department, and their inspector is the one who signs it off. We pull that permit and schedule around the inspection, so the paperwork is our problem rather than yours. Ordinary repairs usually do not need one. Structural and replacement work generally does.

Ready for a price in Washington? Estimates are free.

Call (862) 318-3997 Get a Free Estimate

The company behind the crew is registered with the New Jersey Division of Consumer Affairs as a home improvement contractor, NJ HIC #13VH11720500. You can check that on the state licence verification portal before you hire us, or anyone else. We install GAF and Owens Corning roofing systems; we are not enrolled in either manufacturer's contractor certification program, and we would rather tell you that than imply a badge we do not hold.

Process

How a Job Actually Runs

  1. You reach out

    Call (862) 318-3997 or send the form. We do not need the whole story up front, just the address and what you are seeing.

  2. Free inspection

    We come out and look at the roof. The inspection is free and there is no obligation either way.

  3. We photograph what we find

    A photo of a cracked boot or a rusted valley settles the question faster than a paragraph, so you see the roof rather than hear about it.

  4. Written itemized estimate

    The material tier and the decking allowance are broken out as their own numbers, so you can change any of them before you sign.

  5. The work

    We tear off rather than lay over on almost every house, because a layover means nobody ever looks at the deck. Bad boards get replaced as we find them and photographed one at a time.

  6. After the job

    Decking is billed against the allowance written into the contract before anyone climbed a ladder, and the work carries a 2-year workmanship warranty with a 50-year manufacturer warranty on the material.

Get a free roof estimate

Get a free roof estimate

We inspect first and photograph what we find, then put an itemized number in front of you. No obligation either way.

  • Free inspection before any quote
  • Written estimate, itemized line by line
  • 2-year workmanship warranty

Rather talk it through? (862) 318-3997

Tell us about the roof

5.0 rating on Google

“Ben inspected our roof there was a bad leak he found where the leak was coming from with accuracy and repaired it never had a leak since”
— Alex Z., Google review

No obligation. We inspect before we quote.

Call (862) 318-3997