Seamless, fabricated on-site

Seamless Gutter Installation

Seamless gutters are run from a single coil of aluminum, custom-cut to each fascia line with no mid-run joints — which means no mid-run leaks. It is the standard that North Sound weather demands.

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Technician installing a seamless aluminum gutter run

Why seamless

Joints Are Where Gutters Fail

Sectional gutters — the kind sold in ten-foot lengths — depend on sealed joints every few feet, and every joint is a future leak. A seamless run has exactly two ends and factory-formed corners, which is why it has become the residential standard.

Each installation is measured and run on-site: the machine extrudes the profile to the exact length of the fascia, hangers are set to load-rated spacing, and the run is pitched a precise fraction toward each downspout — enough to drain, never enough to see.

K-style 5-inch and 6-inch profiles, plus half-round
Heavy-gauge .032 aluminum in dozens of baked-on colors
Hidden hangers — no face nails to loosen over time
Downspout placement engineered for the lot's drainage, not convenience

Sizing for this climate

5-Inch or 6-Inch? The Roofline Decides

A gutter's job is measured in worst-week November performance, not annual averages. Roof area and pitch determine how much water arrives at the eave in a hard rain; the profile and downspout count determine whether it leaves. Larger rooflines, steep pitches, and long runs between downspouts all push the answer toward 6-inch — roughly 40 percent more capacity than 5-inch for a modest cost difference at install time.

View homes and estate properties around Edmonds and Woodway are routinely specified at 6-inch with oversized 3x4 downspouts. On smaller ramblers, a correctly pitched 5-inch system with well-placed downspouts performs beautifully. The estimate spells out the recommendation and the reasoning — in writing.

On install day

How On-Site Fabrication Actually Works

The gutter arrives as a coil of flat aluminum and leaves the truck as a finished profile. A portable roll-forming machine shapes the coil into K-style or half-round and extrudes it to the exact measured length of each fascia run — a 42-foot run gets a 42-foot gutter, in one piece.

From there the sequence is deliberate: end caps and outlets are fitted and sealed at the truck; hidden hangers go into the fascia at load-rated spacing, screwed — never nailed — into sound wood; the run is hung to a pitch of roughly a quarter inch per ten feet toward each outlet, enough to drain fully without reading as crooked from the yard; corners are hand-mitered and sealed; downspouts are fitted, strapped, and routed to discharge points chosen at the estimate. The final step is a water test, not a visual check — the system has to drain, not just look right.

The other half of the system

Downspouts Decide Where the Water Ends Up

A perfectly hung gutter that dumps its water at the foundation has only moved the problem six feet. Downspout planning is the quiet half of every quality installation: one downspout per 30 to 40 feet of gutter as a working rule, oversized 3x4 outlets on big roof planes, and discharge that actually leaves the building — onto splash blocks, into extensions, or tied into dedicated drainage on sloped and tight lots.

On the North Sound's older properties, installation is frequently the moment the original builder's shortcuts finally get corrected: one downspout asked to drain half a roof, or an outlet placed for the installer's convenience in 1974 rather than the lot's drainage. New systems get the count and the placement the roofline actually needs.

Related services

Round Out the System

Gutter Guards

Add micro-mesh at install time and the system stays clean from day one.

Gutter guards →

Gutter Replacement

Replacing an aging system? The same fabrication standards apply.

Gutter replacement →

Copper & Half-Round

Premium profiles and materials for custom and waterfront homes.

Copper & half-round →

Questions

Frequently Asked Questions

What does seamless gutter installation cost?

Seamless aluminum typically runs $9 to $20 per linear foot installed in the Puget Sound area, depending on home height, roofline complexity, and profile size. A free on-site measurement produces an exact written quote.

How long do seamless aluminum gutters last?

Twenty to thirty years is typical for quality .032 aluminum that is kept reasonably clear of debris. Guards extend that by keeping standing debris and moisture out of the trough.

What colors are available?

Dozens of factory baked-on colors cover nearly any trim and body combination. Color matching is reviewed at the estimate with samples in hand.

How many downspouts does a house need?

A working rule is one per 30 to 40 feet of gutter, adjusted for roof area and pitch — big roof planes and steep pitches need more, or oversized 3x4 outlets. Many older homes were built with the minimum, which is why they overflow at the corners.

Can gutters be installed in winter here?

Yes — aluminum installs fine in cold weather, and crews work around rain windows all winter. The dry season is simply faster and lets the system prove itself before the heavy rain arrives.

Get started

Get Ahead of the October Rains

Call for a free, no-obligation assessment. A team member typically responds the same business day, and estimates are usually scheduled within the week.

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(425) 414-7150

Mon–Fri 7AM–9PM · Edmonds, Woodway & the North Sound