Metal roofing
Architectural shingles
Tile roofing
GAF
Owens Corning
Flat & low-slopeFree roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
Styles & brands we work with
See the difference
Before
After
Before
After
Before
AfterValley Repair in West Palm Beach, FL
Valley repair in West Palm Beach usually costs between $350 and $900, depending on the valley’s length, the metal gauge used, and whether the underlayment beneath it has rotted. For related issues, see our Roof Repair services. Most valley repairs take a single day once we’re on the roof. If you’re seeing water stains on a ceiling below the spot where two roof planes meet, call Brennan Roofing Co West Palm Beach at (728) 203-3066 and we’ll give you a written price before any work starts.
A valley is the V-shaped channel where two slopes of a roof come together. It carries more water than any other part of the roof during a South Florida downpour. When a valley fails, water doesn’t just dampen the attic. It gets under the decking, into the insulation, and down the inside of exterior walls. That’s the kind of damage that costs far more than a valley repair ever would. Our Roof Repair in West Palm Beach work starts with the valley, because that’s where the water goes first.
Brennan Roofing Co West Palm Beach handles valley repair under The Garrison Standard. That means a written price before any work begins, background-checked technicians in uniform, and a 365-Day Done Right Promise on the repair. If the valley leaks within a year, we come back and fix it at no charge. In writing.
When You Need Valley Repair
Most valley problems in West Palm Beach show up in predictable ways. Here’s what we see on service calls across neighborhoods from Flamingo Park to Thes Isles:
- Water stains on ceilings or walls directly below a roof intersection. If the stain lines up with where two roof slopes meet, the valley is the first place we look. West Palm Beach’s summer thunderstorms dump an inch of rain in an hour, and a compromised valley shows itself fast.
- Granules from shingles collecting in the valley channel. Shingle grit washes downhill and settles in the valley. Some granule loss is normal, but heavy buildup means the shingles above the valley are shedding faster than they should.
- Rust or visible holes in the metal valley liner. Older homes in neighborhoods like Lake Worth Beach and El Cid often have galvanized valley metal that’s been in place since the 1970s. Florida’s salt air and humidity eat through that metal over time.
- Lifted or missing shingles at the valley edges. Wind-driven rain from summer storms gets under shingles that have curled at the valley seam. Once water gets under the shingle edge, the underlayment starts to rot.
- Debris dams in the valley channel. Palm fronds, seed pods, and leaf litter collect in valleys. When water backs up behind that debris, it finds its way sideways under the shingles instead of flowing down and off the roof.
- Dark streaks or moss growth along the valley line. That’s standing moisture. On a properly functioning valley, water moves fast enough that moss and algae don’t get a foothold. Streaking means the valley is holding water longer than it should.
If any of these sound familiar, don’t wait. Water in the roof system only gets more expensive the longer it sits. A valley repair that’s $400 this week can become a $4,000 decking replacement by the time hurricane season winds down.
Our Valley Repair Process
Every valley repair follows the same steps. That’s the point of The Garrison Standard. It’s the same process whether the roof is in Sunshine Park or Southland Park.
- We inspect the valley and the area around it. We don’t just look at the metal. We check the shingles above the valley, the underlayment beneath it, the decking below that, and the flashing at the roof edges. Water travels, and the source isn’t always where the stain is. This inspection is part of the free estimate.
- We put the price on paper. Before any work starts, you get a written number. It includes the valley liner replacement, any underlayment replacement needed, new shingles at the valley edges, and disposal of the old materials. The number on that paper does not move at the door.
- We remove the old valley metal and damaged underlayment. This exposes the decking so we can see what the water has been doing underneath. If the decking is soft or delaminating, we replace the affected section before anything goes back on top. You’ll know that cost before we touch it.
- We install new valley liner and underlayment. The valley gets a new metal liner, typically galvanized steel or aluminum, secured and lapped correctly with the underlayment. We install materials from manufacturers including CertainTeed and Owens Corning, chosen for how they’ll perform in South Florida’s heat and rain. No shortcuts here, because the valley is the roofline’s drainage backbone.
- We re-shingle the valley edges and seal the transitions. Shingles are cut and laid so they overlap the valley metal correctly. The edges get sealed to prevent wind-driven rain from getting underneath. This is the step that gets done wrong on a lot of valley repairs, and it’s the step that determines whether the repair lasts five years or twenty.
- We walk you through what we did and put the guarantee in your hand. You get a written 365-Day Done Right Promise. If the valley repair fails within one year, we return and fix it at no charge. That’s not a slogan. It’s in writing on every job.
Valley Repair Pricing in West Palm Beach
Here’s what valley repair actually costs in West Palm Beach. These are the numbers we write on estimates for homes across the city, from the Northwood Hills historic district to the newer builds out by Riverwalk.
| Scope of Work | Typical Price Range |
|---|---|
| Minor valley repair: sealant, small metal patch, re-securing lifted shingles | $250 – $450 |
| Standard valley liner replacement (single valley, 10-14 ft) | $350 – $650 |
| Valley liner replacement with underlayment replacement | $500 – $900 |
| Valley with rotted decking section replacement | $800 – $1,400 |
| Full roof with multiple valleys (home average, West Palm Beach) | $9,500 – $18,000 |
What moves the price? Three things, mostly. The length of the valley matters because metal and underlayment are priced by the linear foot. The condition of the decking underneath matters because if it’s rotted, the repair scope grows. And the roof’s pitch matters because a steeper roof takes more time and more safety equipment to work on safely.
Every estimate from Brennan Roofing Co West Palm Beach is free. Every estimate is written. And every written price is what you pay, regardless of what we find when we open up the valley. The only exception is if you approve additional work after the decking is exposed, and you’ll know that number before anything else gets installed.
Call (728) 203-3066 to have a technician look at your valley. No charge for the estimate. No pressure at the door.
FAQs – Valley Repair
How much does valley repair cost in West Palm Beach?
Valley repair in West Palm Beach typically costs $350 to $900 for a standard single-valley liner replacement. The price depends on valley length, whether underlayment or decking must be replaced, and roof pitch. Minor patch work can run $250 to $450. Call (728) 203-3066 for a written, free estimate. The number on paper is the number you pay.
Can you fix a leaking valley the same day?
In most cases we can. If we complete the estimate early enough in the day and the repair is a standard valley liner replacement, our team typically finishes before evening. Emergency calls during heavy rain often require a temporary tarp until the roof dries, then a permanent Flat Roof Patch or valley repair the next clear day. Call (728) 203-3066 and a live person will answer, 24/7. We’ll tell you honestly whether today is realistic.
Is it cheaper to repair or replace a roof valley?
Repairing a valley is almost always cheaper than replacing the surrounding roof sections. A valley repair runs $350 to $900, while replacing two roof planes around that valley runs thousands. If the shingles around the valley have years of life left, repair is the clear choice. If those shingles are near the end anyway, replacing the roof with properly integrated valleys often makes more financial sense long-term. We’ll tell you which one you actually need, with a written price for each option.
How long does a valley repair last?
A valley repair done correctly with new metal liner, proper underlayment, and correctly sealed shingle edges should last 15 to 20 years in West Palm Beach conditions. That’s why the metal gauge and the sealing technique matter more than the brand of shingle. Every Brennan Roofing Co West Palm Beach valley repair carries a written one-year guarantee. If it fails within that year, we come back free of charge.
What causes a roof valley to leak in Florida?
Three things cause most valley leaks in the West Palm Beach area: rusted-out metal liners on older roofs, underlayment failure under the valley from years of water exposure, and improperly sealed shingle edges at the valley seam. Our Flashing Repair team also addresses related sealing issues. Florida’s heavy summer rain, salt air, and high humidity accelerate all three. The fix is to remove the old material, inspect the decking below, and rebuild the valley so water flows off the roof without touching anything it shouldn’t.
Why West Palm Beach Homeowners Call Brennan Roofing Co
Travis Oakley runs our West Palm Beach location under The Garrison Standard, and it’s the same standard applied at every Garrison Partners location since 2000. We’re independently owned and operated. We’re not a faceless chain that sends a different subcontractor every time. The technician who writes your estimate is the same type of tradesperson who does the work: background-checked, uniformed, and accountable to the name on the truck.
We write every price down before any work begins. That’s the Garrison Code. We answer our phones with a live person, 24/7, no automated system and no voicemail queue. When you call about a valley at 9 p.m. because rain is coming through the bedroom ceiling, a human picks up.
We install valley materials from manufacturers we trust in Florida’s climate, including Atlas and IKO. We’ll explain the options in plain language so you can choose with confidence. If you want to see how we handle the home service experience from start to finish, our process doesn’t change from one job to the next.
If you’ve got water where it shouldn’t be, or you’ve been putting off a valley that looks tired, call (728) 203-3066. Ask about Vent Boot Repair if you suspect multiple leak points. We’ll inspect it, write it up, and fix it. You’ll know exactly what it costs before anything gets touched.
Written by Travis Oakley, Owner at Brennan Roofing Co West Palm Beach, serving West Palm Beach.