Serving the Pacific Northwest and Puget Sound area
K-Style Gutters
Rain in Washington and Oregon comes as months of steady drizzle broken up by atmospheric rivers that dump inches in a day. K-style gutters are the most common profile on Northwest homes because their shape moves more water than a rounded gutter of the same width and mounts flush against the fascia board.
Call or book online to schedule a free K-style gutter estimate with Guardian Roofing.

Signs It’s Time for New K-Style Gutters
Gutters fail slowly, so the warning signs usually show up on the house first.
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Overflow During Heavy Rain. Water sheeting over the front lip means the gutter is undersized, clogged, or pitched the wrong way.
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Leaking Joints and Corners. Sectional gutters separate at the seams over time, dripping water onto siding, walkways, and foundation plantings.
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Sagging or Pulling Away. A gutter loaded with wet fir needles and standing water gets heavy enough to loosen its hangers and bend the run.
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Peeling Paint or Stained Fascia. Water getting behind the gutter soaks the fascia and soffit, and in our damp climate that wood rots quickly.
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Pooling Near the Foundation. Soggy soil, mulch washouts, or a wet crawlspace often trace back to a downspout that dumps water too close to the house.
Seamless K-Style Gutter Installation
A K-style gutter has a flat back and a decorative front face that resembles crown molding when viewed from the side. The flat back sits tight against the fascia, and the angled front holds more water per foot than half-round gutters, which matters when a roof sheds runoff for weeks at a time.
Guardian fabricates K-style gutters on-site with a forming machine, so each run comes out as one continuous piece cut to the length of your roofline. Straight runs have no splices, which removes the joints where most leaks start. Corners and end caps are sealed during installation.
Before anything goes up, our crew inspects the fascia boards. Soft or rotted fascia is common on Northwest homes after years of overflow. If repairs are needed, our fascia and gutter team handles both in the same visit so the new system has a sound base.
The installation follows a set order:
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Measuring the Roof. We look at roof pitch, square footage draining to each run, and where water concentrates, such as valleys that funnel runoff into one corner.
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Setting the Pitch. Gutters need a gentle slope toward each downspout.
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Placing Downspouts. Long runs often need more than one outlet, placed to discharge water away from the foundation.
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Securing Hangers. Hidden hangers are spaced closely enough to carry the weight of wet debris without sagging.
K-style gutters come in the two common residential widths, 5-inch and 6-inch. Smaller roofs with moderate pitch usually do well with 5-inch, while steep roofs, large drainage areas, and homes under tall trees often need the extra capacity of 6-inch. You can compare K-style against half-round, box, and other profiles on our gutter types and options page.
K-Style Gutter Replacement
Our gutter services cover both repair and replacement. When existing gutters are sagging, leaking at multiple seams, or simply too small, replacement is usually more cost-effective than chasing repairs. Our gutter installation and replacement process removes the old system, addresses any fascia damage underneath, and installs new seamless runs sized for your roof.
Gutter Guards for K-Style Systems
Douglas firs, cedars, and big-leaf maples drop debris year-round in the Northwest, and K-style gutters fill up fast under that canopy. Pairing new gutters with a guard system cuts down on cleanings and overflow. Our comparison of K-Guard vs. gutter guards under Douglas firs covers what holds up under heavy needle drop.
Schedule Your Service With Us Today
Why Choose Guardian Roofing for K-Style Gutters?
Guardian has served homeowners in Washington and Oregon since 2005, with offices in Auburn, Everett, Seattle, Tacoma, Portland, and Wilsonville. As a roofing contractor, we install gutters with the fascia and roof edge in mind. Financing is available through Upgrade, and checking your options doesn’t affect your credit score.
Call to get a free estimate on seamless K-style gutters built for Pacific Northwest rain.

$1,000 OFF
New K-Guard Gutter System$8,000 Minimum Purchase
Terms and Conditions apply, Coupons cannot be combined with other offers.


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Frequently Asked Questions
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