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Cracked and open flue joints repaired in Harlem Heights

Pay for the repair your flue needs, not a guess. Written estimates and satisfaction guaranteed in Harlem Heights.

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What we examine inside Harlem Heights chimneys

These are the details that decide how the flue is repaired. You see each one in writing before our Harlem Heights team starts.

  1. Cracked, broken or flaking tiles by location
  2. What the flue serves and its connection
  3. Thimble and cleanout on an appliance flue
  4. Protection for the room and neighboring flues

Our approach to chimney flues in Harlem Heights

What our pros check and why, on flue jobs across Harlem Heights.

Joints finished smooth on the inside

A joint that bulges into the flue creates a small shelf where deposits collect and where the draft is disturbed. The code asks for joints left smooth on the inside, and BIA Technical Note 19B describes liners bedded in mortar with joints cut flush and smoothed on the interior.

When we see ridges of mortar or lumps of old repair material inside a flue, we note them. They can hide cracks, trap creosote and make later cleaning harder. Removing them is often part of preparing the flue for any repair.

Crown cracks and water around the liner

A cracked crown lets rain seep down between the flue tile and the chimney walls. That water can soak the mortar holding the liners and stain the chimney inside the house.

When the crown is part of the problem, we point it out and write crown repair as its own line. Repairing the flue alone would leave the same water path open. Clues include damp patches on the chimney inside the house after rain and dark lines of staining on the tile near the top. Sealing the crack or rebuilding the crown closes the path the water uses.

Protecting the room during flue work

Flue repair creates dust and loose debris that falls toward the fireplace. The room below needs protecting, and the fireplace opening is sealed while the work goes on.

We lay protection over the hearth and nearby floors, seal the opening and clean up before leaving. If you have furniture or rugs near the fireplace, we ask before moving anything. Air can also pull fine dust into the room while work goes on above, so the opening is sealed on all sides, not just covered. We check the room again before leaving and remove every sheet we put down.

How you burn affects the flue

Wet wood burns cool and smoky, and that smoke leaves more deposits on flue walls. The EPA's Burn Wise program advises burning dry, seasoned wood, suggests seasoning it for at least six months and recommends checking it with a moisture meter.

A cleaner, drier fire is gentler on a repaired flue and makes deposits easier to keep under control. We are happy to talk through burning habits during the visit, since they affect how long any repair looks its best. Split wood dries faster than rounds, and wood stored off the ground under cover stays dry.

Chimney flue questions from Harlem Heights

Short answers from our chimney team in Harlem Heights. Call for anything not covered here.

What happens if you cannot see the whole flue?

We say so. Findings about the visible sections are stated as findings, and anything about the hidden sections is stated as uncertain, with what it would take to learn more.

Will the repair make my flue smaller?

Some methods add material inside the flue. We measure first and check that the flue stays large enough for the fireplace or appliance it serves.

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