Pompano Beach · Broward CountyAbove the damper, hidden from every living-room view, sits the funnel — and its condition decides how well smoke leaves the house.
Directly above the damper, the chimney narrows from the wide firebox to the slim flue through a transition called the smoke chamber. When that funnel is smooth, smoke accelerates cleanly upward. When it's built from stepped, corbeled brick — as most mid-century Broward fireplaces were — or when its surface has eroded, smoke tumbles, slows, and deposits residue on every ledge it finds.
The repair is called parging: applying a smooth refractory coat over the chamber's interior so the funnel actually funnels. Alongside the smoothing we repair eroded joints and confirm the chamber's structure, because this hidden transition does more for fireplace performance than almost any visible part.
We examine the transition above the damper — geometry, erosion, and residue tell the story.
A smooth heat-rated coat is applied over stepped or rough surfaces.
Eroded mortar in the chamber is repaired ahead of the smoothing coat.
We verify the improved flow path once the work has cured.
We evaluate the chamber's shape and surface condition from below.
The chamber is smoothed with refractory material into a proper funnel.
After cure, draft behavior is confirmed and you get the all-clear.
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It transitions smoke from the wide firebox into the narrow flue. Smooth and correctly shaped, it accelerates the flow; rough and stepped, it turns the exit ramp into a stairway.
Parging is coating the chamber's interior with a smooth refractory layer. It converts corbeled, ledge-filled brickwork into the sleek funnel modern standards expect.
If the chamber is the bottleneck, noticeably. Draft trouble can equally originate at the flue, the cap, or the home's own air pressure — and we name the real culprit rather than guessing.
With a flashlight and patience you can spot stepped brick above the damper, but condition calls need experience. It's a classic reason to have the system looked at professionally.
Many do. Corbeled chambers were simply how fireplaces were built here mid-century; parging brings them to current expectations without rebuilding.
Part of our Chimney Repair work in Pompano Beach and across south Broward County.
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