Chimney damper replacement and fireplace damper repair in Richmond Heights

Dampers that seize after months without a fire

A damper that sits closed for months can seize, especially if moisture and soot have been sitting on the seat. The first time someone tries it for the season, it will not budge.

Try it gently. If it does not move with normal hand pressure, stop and call us instead of forcing it. Our crew frees the plate, cleans the pivots and checks that nothing else in the throat was damaged along the way.

If you only light a fire now and then, opening and closing the damper a few times a year keeps it moving. It is a small habit that helps prevent seizing, and we show you how to do it gently at the end of any damper visit.

Cast iron and steel dampers

Fireplace dampers are made of ferrous metal, cast iron or steel, because they sit in the heat of the fire. The code calls for a ferrous metal damper in masonry fireplaces.

Those metals rust when water reaches them, so a good replacement is only half the job. The other half is keeping rain off it, which is why our technicians look at the flue cap on every damper visit.

Metal dampers also expand with heat, and one that fits too tightly can bind during a fire. Our crew leaves the right clearance so the plate moves freely when hot and seals when cool.

Testing the damper through its full travel

A damper repair is not finished until the plate opens all the way, closes evenly and stays where the control puts it. Our crew tests each position using the control itself, since that is how you will use it.

If the plate stops short or drifts, we adjust it before calling the job done. You see the result before we pack up, and the finished operation is written on the handover sheet.

Testing also includes checking that the plate does not rub or bind at any point. If it does, we adjust it before finishing, so you do not discover the problem on your first fire.

How a throat damper replacement goes

A throat damper replacement follows a steady order. We protect the room, remove the old plate and frame, prepare the seat in the throat, set the new damper and connect the control.

Then we test it, relay any firebrick that was disturbed and clean up the soot. Your written estimate lists these steps before you approve the work, and the handover sheet confirms them afterward.

Each step is done with care to protect the firebox and the room. If something unexpected turns up, we stop and explain it before continuing.

• Room and hearth protected
• Old plate and frame removed
• New damper set, connected and tested
• Soot cleaned and operation shown to you