Stucco chimney repair in Harbour Isles, coat by coat
Stucco repairs in Harbour Isles come with a written record of the areas, materials and coats.
- Owned and run locally
- Available for same-day service
- Fully licensed and insured
- Family owned and run
How failing chimney stucco shows itself
- Hairline cracks across one chimney face
- Dark streaks below the chimney top
- A long crack near the roof line
- Crumbling stucco close to the ground
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Stucco repair details that decide the result
Renewing sealant at the edges of the stucco
Where stucco meets metal, trim or a different wall material, the joint is often closed with a flexible sealant. Those joints age faster than the plaster and eventually crack or pull away. Sun and movement wear them out first.
The International Masonry Institute lists replacing sealant joints at appropriate intervals as part of stucco maintenance. We check the sealant at the chimney's transitions and replace failed joints as a listed item. It is small work, but an open joint can admit a steady amount of water.
What chimney parging means on the outside
Parging is a coat of cement mortar spread over masonry, often block, to give it a smooth, even face. On the outside of a chimney, parging and stucco are closely related, and people use the words loosely.
The name matters less than the condition. We treat an exterior parge coat like stucco over masonry, finding the loose areas, repairing the base and rebuilding the coat. Parging inside a fireplace smoke chamber is a different job with different materials, and it is not part of this scope.
Routing a crack before it is filled
A crack that carries water is often widened slightly along its length with a small cutting tool. Routing gives the repair material a clean channel with sound sides instead of a thin, dirty line.
The channel is cleaned and dampened, then filled with a material chosen for whether the crack still moves. The surface is finished to match the texture around it. Routing leaves a neater and more durable line than smearing a patch over the top, and the estimate lists each crack treated this way.
Lath and beads in salty air
Zinc-coated steel loses its coating sooner where the air carries salt from the sea. Published corrosion data puts warm marine air close to industrial air for galvanized steel, with wind and distance from the shore moving the rate.
Lath, corner bead and weep screed near the coast therefore deserve a close look during a stucco repair. Where they are corroded, we replace them with a material suited to the exposure and explain the choice. The estimate names the metal used for each accessory.
Stucco work we separate on the estimate
- Crack treatment matched to crack movement
- Scratch coat keyed to the base
- Sealant at stucco transitions
- Exploratory opening with your approval
Common questions on stucco chimneys
Will the repaired stucco match the rest of the chimney?
Texture can usually be matched closely. Color is harder on unpainted stucco, because the old surface has weathered. We explain the likely result before you approve, and we can make small samples so you can judge the match yourself.
Can new stucco go straight over the old surface?
Only where the old stucco is sound, clean and firmly attached, and even then a new finish is a surface treatment. Loose or hollow areas have to come off first. Spreading new plaster over failing stucco usually fails with it.
What does the workmanship warranty cover on stucco work?
It covers the work we did in the areas we repaired. It does not cover damage from a separate defect you chose not to repair, or plaster we did not touch. We explain the terms before you approve the estimate.
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Chimney & Fireplace Brands We Work With
DuraVent 
Olympia Chimney and Venting 
Copperfield Chimney Supply 
Rutland 
Heatilator 
Heat & Glo