Tamko Ridge Vent Installation Nationwide

Tamko Ridge Vent Installation: The San Francisco Owner’s Guide

Tamko ridge vent installation in San Francisco typically runs $380 – $680 for a standard single-family home, including the vent material, matching fasteners, and full installation along the ridge line. We stock Tamko’s 12-foot vent sections and the matching end caps on our trucks, so most vent-only swaps are done in a single visit. Owners usually discover the problem the same way: a bedroom smells musty after a heavy fog cycle, or they climb up to clean gutters and notice the vent strip is cracked, sun-bleached, or lifting at the nail line.

Call (831) 318-8819

Ridge vent is the exhaust side of your attic’s breathing system. When it fails, moisture that should be leaving the attic stays there, condenses on the underside of the sheathing, and starts the slow work of rotting your roof deck from the inside. In San Francisco, where marine air and fog push humidity against roofs for months at a time, a torn ridge vent isn’t a minor cosmetic issue. It’s a small opening for water and a bigger problem for the framing underneath.

We’re an independent roofing company serving San Francisco and nearby areas. We install Tamko ridge vents regularly because they’re a solid match for our climate, but we’re not affiliated with Tamko directly. If you’re looking at a specific Tamko vent model and want to know what we’d charge to put it on, call us at (831) 318-8819.

Which Tamko Models This Applies To

Tamko makes two ridge vent configurations that matter for most San Francisco homes: the Tamko TW-60 and the Tamko TW-72. The numbers refer to the vent’s width in inches. TW-60 is a 60-inch-wide vent strip meant to sit under shingles on a traditional pitched roof. TW-72 is a 72-inch-wide vent designed for lower-slope applications where more exhaust capacity is needed.

The easiest way to identify what you have is to measure the exposed vent material at the ridge, not the shingle cap. If the vent strip is roughly 5 feet wide before it disappears under the cap shingles, it’s a TW-60. If it’s 6 feet wide, it’s a TW-72. You can also check the nailing flange, which usually has the Tamko name and model printed in small repeating text along the edge. After five or six years in direct sun, that print fades, so measure first.

Both the TW-60 and TW-72 are sold in 4-foot sections. A typical San Francisco bungalow with a 30- to 40-foot ridge line needs 8 to 10 sections. You’ll also need the Tamko end caps, which close off the vent at each open end. Missing end caps are a common failure point: wind blows rain into the open vent channel, and the water follows the slope right into the attic.

On the OEM versus aftermarket question: Tamko’s vent profile is slightly different from GAF and Owens Corning vents. The vent channels are a different shape, and the nail flange sits at a different angle. An aftermarket universal vent will physically fit on the ridge in most cases, but the cap shingle reveal will look off, and the vent’s airflow rating won’t match Tamko’s published spec. If the rest of the roof is wearing Tamko shingles, we recommend staying with Tamko vent. It’s not a brand loyalty thing, it’s a fit-and-warranty thing.

Signs Your Tamko Ridge Vent Installation Is Failing

• Cracked or curling vent material along the ridge. Years of UV exposure and temperature swings between fog-cool mornings and warm afternoons make the vent material brittle. Micro-cracks open first at the nail holes, then spread across the top surface. Once cracking starts, water has a path under the cap shingles.
• Attic smells damp or musty after fog events. A working ridge vent pulls moist air out of the attic. When the vent is blocked or damaged, that moisture stays in place. In San Francisco’s Richmond and Sunset districts, where fog sits on the roof line for days, the smell shows up faster than in the Mission or Noe Valley.
• Visible nails backing out at the ridge. The vent strip is nailed through the flange, and those nails hold both the vent and the cap shingle. Heat expansion inside the attic pushes nails upward over time. A lifted nail head is a direct water channel.
• Missing or cracked end caps. The end cap is the weak point in any ridge vent system. Wind catches the open edges, and after enough storm cycles, the caps crack or separate from the vent body. Rain that gets in through the end of the vent never has to pass through a shingle first.
• Higher attic temperature in summer. When ridge vent fails, the attic can’t exhaust hot air. You’ll notice rooms directly under the attic run warmer during San Francisco’s late-summer heat spells, and the air conditioner cycles more often than it should for a house that size.

Replacement Cost & What’s Included

For a standard San Francisco single-family home with a 30- to 40-foot ridge, replacing a Tamko ridge vent runs $380 to $680. Longer ridge lines on larger homes, especially in neighborhoods like West Portal or St. Francis Wood where ridges run 50 feet or more, push the total toward $750 to $900. Steep-pitch roofs add a few hundred dollars for setup and fall-protection time.

The price includes removing the old vent and fasteners, hauling the debris, installing the new Tamko sections and end caps, and re-securing the cap shingles. It also includes a written walkthrough of what we found at the ridge before we start, so you know whether the decking underneath is wet or sound.

What you won’t see is a price that changes when the crew pulls up. We write the number down before any work starts. That’s the number on the invoice. If the job takes longer than we estimated, that’s on us, not you. Every installation we do is backed by our 365-Day Done Right Promise: if it’s not done right, we make it right, in writing, at no charge, for one full year.

DIY or Call Us?

You can safely inspect a ridge vent from the ground with binoculars: look for lifted cap shingles, visible cracks in the vent material, and missing end caps. If you have attic access, check the underside of the ridge for water staining or damp insulation. Those are inspection tasks, not repair tasks. They’re worth doing so you know what you’re dealing with before anyone gets on a ladder.

Replacing a ridge vent means working at the highest point of the roof, balancing on the ridge line, and nailing through the cap shingles while standing on a sloped surface. In San Francisco, where many homes are two or three stories tall with steep pitches, a fall from the ridge is a serious injury, not a sprained ankle. The work also involves matching the existing shingle cap, which requires knowing how far to overlap, where to seal, and how to keep the roofline looking clean. We do this work with harnesses, roof brackets, and fall-protection gear every week. We’d rather you call us than climb up there yourself.

If you’re seeing any of the signs above, call (831) 318-8819. We’ll come out, read the ridge honestly, and give you a written price for the fix. No pressure, no upsell, just what the roof needs.

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