
Sweep
Soot and stage-one creosote brushed out with drop cloths and a vacuum at the hearth.
Mercer Island is a patchwork of mid-century ramblers and split-levels, most of them still running on their original brick chimney stacks. Seventy years of Puget Sound weather and a few decades of firewood have left their mark on those masonry systems.
The long rain season is the first thing that wears these chimneys down. Water works into hairline cracks in the mortar, finds the crown, and pools at the flashing where the stack meets the roofline. By the time the sun returns, a small gap has turned into a visible chip or a soot-stained streak running down the brick. Wood-burning owners see creosote pile up faster than the original builder expected, especially through a cold winter of daily fires. The stacks themselves are older masonry without the steel reinforcement you'd see in a newer build, so a seismic glance during any service visit is a smart ask. And a cracked or missing flue cap will welcome in sparrows and small critters before you know it, turning a simple sweep into a cleaning-and-removal job.
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Mercer Island and the surrounding neighborhoods.

Soot and stage-one creosote brushed out with drop cloths and a vacuum at the hearth.

Level I through III, camera down the flue, photos of what the liner, crown, and flashing actually look like.

Tar and glazed stage-two and stage-three creosote taken out with rotary tools and treatment.

Cracked stacks, failed mortar joints, damaged crowns and caps, rebuilt or repointed back to weather-tight.

Stainless steel liners sized to the appliance, for cracked clay liners or conversions to gas.

Factory-built pipe systems, chase covers, and rusted sections on newer homes and manufactured housing.

Stainless caps and screens that keep rain, birds, and fir needles out of the flue year-round.

Breathable vapor-permeable repellent on exterior brick, stops absorption without trapping moisture inside.

The metal seal where chimney meets roof, lifted or rusted sections replaced and tucked in.

Repointing, spalling brick replacement, tuckpointing, and stack rebuilds on older chimneys.

Burner, pilot, glass, and vent checks on gas fireplaces and inserts before the season.

Where the water is getting in, crown to flashing, traced and sealed at the source.

Birds, squirrels, and raccoons removed from flues, plus the cap that keeps them out.