(864) 794-6932
107 Ben Hamby Ln, Greenville SC 29615
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Chimney Relining · Southside Greenville SC

Chimney Relining
Southside Greenville

Cast-in-place poured refractory liner for Southside chimneys where tile deterioration is beyond surface resurfacing but the outer masonry is still structurally sound — a monolithic new flue poured inside the existing structure. Written scope before work begins.

CSIA Certified
Cast-in-Place Liner
Camera Assessment
Written Scope
(864) 794-6932
Mon–Fri 8am–6pm · Sat 9am–4pm · Emergency 24/7
Three Relining Methods — When Each Applies

Why Some Southside Chimneys Require a Poured Liner

The right relining method is determined by camera inspection — not by cost preference or availability. Three distinct methods exist, and each is appropriate for a specific range of flue conditions. Cast-in-place is the correct choice when tile deterioration has progressed beyond what resurfacing can address, but full chimney demolition is not warranted.

HeatShield Resurfacing

Ceramic coating over intact tile

Fills hairline cracks and open mortar joints on tile that is cracked but structurally in position. No tile replacement.

Appropriate when
Tile sections are cracked but not displaced; Class I or II surface damage only
Cast-in-Place Poured Liner

Refractory compound poured around a form

Fills and encases the entire flue interior — existing tile, voids, and all — in a monolithic refractory matrix. No threading required.

Appropriate when
Tile fragmented or displaced but outer masonry brick is structurally sound
Stainless Flex Liner

Metal liner threaded through existing flue

Dedicated liner runs from appliance collar or firebox to chimney cap — bypasses tile condition. Annular space remains between liner and tile.

Appropriate when
Tile deteriorated but intact enough to allow liner to pass; or for appliance relining
How Cast-in-Place Relining Works

Poured Refractory Liner — Process and What It Creates

Cast-in-place relining is a methodical process that fills the existing flue from the inside, creating a new seamless flue liner bonded to the original masonry. It takes longer than stainless liner installation and requires a cure period before use.

1

Full-Length Camera Inspection

Flue is inspected by camera to document tile fragmentation pattern, displaced sections, and outer masonry condition. Both the flue interior and the visible exterior masonry are assessed before any scope is written.

2

Flue Preparation — Loose Material Removal

Loose tile fragments, accumulated debris, and any material that could prevent the refractory compound from bonding to the masonry structure are removed. The firebox and smoke chamber are protected from falling material.

3

Inflatable Form Insertion and Centering

An inflatable rubber form, sized to create the correct finished flue diameter for the appliance or fireplace, is lowered into the flue and positioned at the base. The form is inflated to hold its shape during pouring.

4

Refractory Compound Poured from Chimney Top

Mixed refractory compound is poured into the space between the inflatable form and the existing tile wall, filling the entire annular space from bottom to top. The compound encases fragmented tile, fills voids, and bonds to sound masonry.

5

Form Deflation and Removal — Cure Period

After the compound achieves initial set, the inflatable form is deflated and pulled out — leaving the smooth, round interior of the new poured liner exposed. The liner requires a full cure period before the fireplace or appliance is operated.

6

Post-Cure Camera Inspection

Camera inspection after the cure period confirms liner continuity, interior surface quality, and that no voids or delamination occurred during curing. Final documentation provided.

What the Poured Liner Looks Like When Done

The finished cast-in-place liner is a smooth, round, continuous refractory tube inside the existing masonry structure. Unlike a stainless liner, there is no annular gap between the liner and the masonry — the refractory compound fills the entire original flue space. The interior surface is smooth and consistent in diameter from bottom to top, which optimizes draft and reduces creosote adhesion.

Cure Period Before First Use

Cast-in-place refractory liners require a full cure period — typically 24 to 72 hours depending on product and ambient conditions — before the appliance or fireplace can be operated. The cure period is not shortened by artificial heat. This is the primary practical difference from stainless liner installation, which does not require a cure period.

Outer Masonry Must Be Structurally Sound

Cast-in-place relining uses the existing masonry chimney structure as the outer form. If the outer brick or block is itself failing — bowing, separating, or structurally compromised — the poured liner cannot compensate for structural defects. Outer masonry integrity is confirmed before this method is recommended.

Cast-in-Place vs. Stainless Liner

Key Differences Between the Two Methods

Cast-in-Place Poured Liner

  • Fills and encases existing tile — no threading required, works even with heavily fragmented tile
  • No annular space between liner and masonry — solid fill from inner flue to outer brick
  • Monolithic refractory surface — no seams, no joints, continuous from base to cap
  • Requires cure period before first use — 24 to 72 hours depending on conditions
  • Higher material and labor cost — generally more expensive than stainless liner
  • Appropriate for severely fragmented tile where stainless liner threading is impractical

Stainless Flex Liner

  • Threaded through the existing flue — requires path clear enough for liner to pass
  • Annular space remains between liner outer wall and existing tile
  • Flexible construction — connects at both ends with collars and fittings
  • No cure period — appliance can be operated after installation is complete
  • Generally lower cost than cast-in-place — faster installation for straightforward flue conditions
  • Appropriate when tile allows liner passage; also standard for appliance and insert relining
FAQ

Chimney Relining Questions — Southside Greenville SC

Cast-in-place relining pumps a poured refractory compound into the existing flue around an inflatable form, which is deflated and removed after initial set — leaving a smooth monolithic liner inside the original masonry. It is used when clay tile deterioration is too extensive for surface resurfacing but the outer brick structure is still sound. The compound fills and encases fragmented or displaced tile. Unlike stainless liner installation, no liner is threaded through the flue and no annular space remains.
A stainless liner is a separate tube installed inside the flue — fixed diameter, annular space remains between liner and tile. A cast-in-place liner is poured refractory that fills the entire flue interior, creating a monolithic surface bonded to the masonry. Cast-in-place is preferred when tile is so fragmented that threading a liner is impractical. Stainless is generally faster and lower in cost for straightforward deterioration or appliance relining. Method is determined by what camera inspection shows.
Cast-in-place poured refractory liner approximately $2,000–$5,000 depending on flue height, diameter, and extent of deterioration. Generally higher in cost than stainless liner installation but appropriate when tile fragmentation makes liner threading impractical. Method is confirmed after camera inspection documents tile condition and outer masonry structural integrity. Full scope and pricing confirmed on-site before work begins.
Related Services
Chimney Inspection Chimney Cleaning Chimney Repair Waterproofing Gas Fireplace All Relining Services
Chimney Relining — Southside Greenville SC
Cast-in-place poured refractory liner for severely deteriorated flues — camera inspection determines method before scope is written. No assumptions. Written pricing before work begins.
(864) 794-6932
Mon–Fri 8am–6pm · Sat 9am–4pm · Emergency 24/7