Repairing the smoke chamber above your fireplace in Richmond West
A written record of the chamber work, with the product and its curing steps, stays with you.
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Smoke chamber trouble visible from the room
- A smoky smell after the fire is out
- Heavy deposits on the chamber ledges
- Loose mortar at the base of the flue
- Pieces of old parging in the firebox
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How a rough chamber becomes a smooth one
Where the throat hands smoke to the chamber
The throat is the slot just above the firebox where flames, smoke and gases pass into the chamber. Fireplace guidance calls it a part to design carefully because of its effect on draft. The damper usually sits in it.
Chamber repair begins where the throat ends. If the throat itself is cracked, narrowed by old mortar or blocked by debris, we describe that separately. The estimate makes clear which part of the smoke path each line of work addresses. Keeping those lines apart makes each decision easier to follow.
Smoke that slows down leaves more behind
One maker of chamber repair products describes the chamber as a funnel. When its surface is smooth and well shaped, smoke moves through quickly. When the surface is rough or cracked, smoke slows, cools and leaves more deposits on the walls.
That is the practical case for smoothing a rough chamber. It does not mean every chamber with deposits needs parging. Deposits also depend on the wood burned and how the fire is run. We explain which factors we can see in your fireplace and what part the chamber plays among them.
A fire that is slow to draw
Difficulty getting a fire to draw appears on the list of chamber symptoms some makers publish. A rough or badly shaped chamber can slow the smoke at the point where the fireplace narrows toward the flue. Many other things affect draft as well.
Chimney height, flue size, a partly closed damper and the air supply in the house can all play a part. We check the ones we can see and describe the chamber's shape and surface. The estimate then says plainly whether chamber work is likely to help, and why.
From a wide opening to a narrower flue
The building code sizes a fireplace flue against the area of the fireplace opening. The flue is much smaller than the opening, and the smoke chamber makes the change between them. Its sloped walls gather smoke from the width of the firebox into the flue.
Because the chamber handles that transition, its shape and surface affect how smoothly smoke is gathered. A chamber that meets the flue off center, or with a ledge at the top, can disturb that flow. We describe how your chamber meets its flue and whether parging can improve the joint.
Chamber repair lines you approve
- Damper access checked at the throat
- Hearth and floor covered during work
- Flue tile damage listed separately
- Firebox repairs listed separately
Questions to settle before chamber work in Richmond West
Why does the chamber have to be cleaned before parging?
Chamber coatings bond to clean masonry. Soot and glazed deposits left on the walls would sit between the coating and the brick. Cleaning also shows cracks and loose units that the deposits may have hidden from view.
Are fine cracks in new parging a problem?
One chamber coating maker describes fine surface crazing after curing as of no functional concern. Wide cracks, loose sections or gaps opening at the flue are different. If you see those, stop using the fireplace and tell us.
Do you use ordinary mortar for small chamber repairs?
No. The code calls for refractory mortar on the chamber's inside surface, and ordinary masonry mortar is made for other conditions. Even small patches use a refractory product suited to the chamber, and the estimate names it.
More Ways to Care for Your Fireplace
- Hurricane and Storm Damage Chimney RepairAssess storm-related chimney concerns and distinguish temporary protection from permanent component repair.
- Chimney Liner Installation and ReliningPlan a compatible chimney liner installation with the existing passage, connections and maintenance access considered together.
- Spalling Brick Repair and Chimney Brick ReplacementReplace deteriorated chimney bricks while retaining suitable surrounding masonry.
- Chimney Flashing RepairRepair the chimney-to-roof connection with a scope that accounts for the adjoining roofing and masonry.
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Chimney & Fireplace Brands We Work With
DuraVent 
Olympia Chimney and Venting 
Copperfield Chimney Supply 
Rutland 
Heatilator 
Heat & Glo