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Tamko Ridge Vent Installation: The San Jose Owner’s Guide
We stock and install Tamko-compatible ridge vent systems throughout San Jose, with typical installed pricing running $18 to $34 per linear foot depending on the specific Tamko profile and the condition of your existing ridge decking. Most jobs are completed in a single visit, and our trucks carry the common Tamko vent profiles so we’re not sending a homeowner back inside to wait for parts. The usual discovery is quiet: a homeowner notices granule dust in the gutters, a musty smell in the attic, or a ridge vent that looks crushed after a windstorm, and the real question becomes whether it’s still ventilating or just taking up space up there.
If you’ve got a Tamko ridge vent that’s cracked, blown loose, or just not moving air like it should, here’s what you need to know about replacement in San Jose specifically. Our climate hits these vents harder than most people expect: freeze-thaw cycles are rare here, but UV exposure and the occasional Pineapple Express storm tear through plastic ridge vent baffles faster than the warranty suggests. Tell me what you’re seeing and I’ll tell you what it actually means.
Which Tamko Models This Applies To
Tamko’s ridge vent lineup breaks into a few distinct families, and the compatibility details matter if you want the replacement to actually seal and ventilate correctly against your existing shingles. The most common we see on San Jose roofs are the Tamko Ridge Pro, the ProfileVent, and the standard Tamko rolled ridge vent. Each has its own profile height, nail flange width, and ventilation spec, which means you can’t just grab any vent off the shelf and expect it to sit right against Tamko Heritage or Elite Glass-Seal shingles.
Here’s the gotcha worth knowing: Tamko’s Ridge Pro uses a wider nail flange than most generics, and if a previous roofer or homeowner swapped in a non-Tamko vent, the shingle overlap often doesn’t cover the flange correctly. That’s how you end up with open seams that let water in during a hard San Jose rain. When we pull up to a house, we match the vent to the specific Tamko shingle profile on the roof. The decision between OEM and aftermarket isn’t about snobbery, it’s about flange geometry and vent opening. For Tamko shingles, we recommend staying with a Tamko or Tamko-spec vent because the profiles are designed to interlock. Aftermarket universals can work in a pinch, but they sit a little proud on Tamko’s thicker laminate lines, and that’s a leak waiting for a storm.
To identify what’s on your roof, look for the Tamko name stamped on the vent underside, or measure the width of the visible portion from the ridge line outward. Most Tamko ridge vents measure 11-1/4 to 12 inches wide when installed. If you’re not sure, send us a photo or we’ll check it on-site before quoting anything.
Styles & brands we work with






Signs Your Tamko Ridge Vent Installation Is Failing
- Granule dust in your gutters or downspouts. That’s not just your shingles shedding. When a ridge vent shifts, shingles around the ridge flex more, and the friction grinds the ceramic granules off the mat. If you’re seeing dark, gritty sediment concentrated near the downspout, the ridge line is moving.
- Musty or stale attic smell that won’t clear. A working ridge vent pulls hot, moist air out continuously. Once the vent baffle collapses or the vent slots get plugged with dust and roofing debris, that air sits. In San Jose’s fog belt, especially near Willow Glen and Campbell, trapped attic moisture shows up as that old-gym-sock smell within a season.
- Curled or warped plastic vent baffle visible from the yard. UV radiation in the South Bay is relentless. Tamko’s plastic baffles are rated for long life, but after eight to twelve years of direct California sun, the polymer degrades and curls. Once it curls, the vent opening is exposed to wind-driven rain, and the vent stops exhausting air effectively.
- Water staining on the ceiling near interior walls, not just under eaves. A leaking ridge vent lets water run down the trusses and show up in odd places, often the center of a room, not the perimeter. That’s the signature. If the stain is mid-room, the ridge is the first suspect.
- You can hear or feel air movement at the ridge when you’re in the attic, but the attic still bakes in summer. This means the vent is pulling air but not enough volume. Often the cause is a partially collapsed baffle or a roofer who installed the vent over a ridge slot that was cut too narrow. The vent can’t move what the slot won’t let through.
See the difference
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After
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After
Before
AfterReplacement Cost & What’s Included
For a standard single-story ranch in San Jose, expect to pay between $1,400 and $2,800 for a full Tamko ridge vent replacement, including tear-off of the old vent, new vent material, ridge cap shingles, and nails with proper sealant. Larger two-story homes or steep-pitch roofs run higher because the labor gets slower and the material quantity increases. The line-item breakdown looks like this:
- Ridge vent material: $4 to $9 per linear foot for Tamko-specific profiles
- Ridge cap shingles and sealant: $3 to $6 per linear foot
- Labor including old vent removal: $11 to $19 per linear foot
- Dump fees and site clean-up: $150 to $300 flat
That’s the price before any work starts, in writing, and it does not move at the door. What drives the range is roof pitch, the condition of the ridge decking underneath, and whether we’re just swapping the vent or also repairing the ridge slot. If the decking is rotted, that’s additional decking at $4 to $7 per square foot, and we’ll show you exactly why before we touch it. Every replacement carries our 365-Day Done Right Promise: guaranteed in writing for one full year, and if it fails within that period, we come back at no charge.
DIY or Call Us?
I’ll be straight: replacing a ridge vent is not a weekend ladder project for most homeowners. The work requires standing at the peak of the roof, pulling ridge cap shingles, removing nails without tearing the underlayment, cutting the ridge slot carefully, and installing the new vent with a nail pattern that won’t leak. A fall from a ridge line is a serious injury, full stop. If you’re not comfortable on a steep roof with the right fall protection, don’t be up there.
What you can check safely from the ground or a ladder: whether the vent is visibly cracked or curled, whether shingle edges at the ridge are lifting, and whether you see daylight through the vent slots from inside the attic. That inspection tells us what we’re dealing with before we quote. But the replacement itself deserves a crew that does this every week, carries the Tamko profiles on the truck, and stands behind the work in writing. If you’re seeing any of the symptoms above, call Brennan Roofing Co San Jose at (669) 238-2101 and we’ll take a look. The estimate’s free, and it’s on paper before we touch a thing.
FAQs
A properly installed Tamko ridge vent typically lasts 12 to 18 years in San Jose’s climate, with UV exposure and storm cycles being the main wear factors. If yours is over a decade old and showing granule dust or curling plastic, it’s time for an inspection. Call (669) 238-2101 and we’ll tell you what’s left of its service life.
In most cases, no. Once the plastic baffle cracks or curls, the vent loses its structural integrity and seam-sealing patches don’t hold through a San Jose storm season. Partial repairs make sense only when the damage is limited to a single shingle or a short nail-pop section. We’ll tell you if repair is viable before we ever recommend replacement. Call us for an honest assessment.
A standard Tamko ridge vent replacement on a typical San Jose home takes one full workday, from tear-off through clean-up. Two-story or steep-pitch roofs may run into a second day. We’ll give you a written timeline with your estimate.
Our trucks carry the common Tamko ridge vent profiles, so most San Jose replacements are done same-visit without waiting on a supply house run. If your roof needs a less common profile, we’ll source it and schedule the install before we start. Either way, the price is set in writing before any work begins.
Call Brennan Roofing Co San Jose at (669) 238-2101 for a free estimate on Tamko ridge vent replacement anywhere in San Jose, from Willow Glen to Almaden Valley. We answer the phone with a live person, every time, and you’ll have a written number before we pick up a tool.
Written by Travis Oakley, Owner, Brennan Roofing Co – San Jose, CA at Brennan Roofing Co San Jose, serving San Jose and nearby areas.