Chimney parging and stucco repairs in Durrs
Finish samples on visible faces let you judge the color and texture before the repair.
- Owned and run locally
- Available for same-day service
- Fully licensed and insured
- Family owned and run
Clues hidden in a cracked stucco finish
- Hairline cracks across one chimney face
- White powder on the stucco surface
- Cracks that return after painting
- A vertical crack where chimney meets wall
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Chimney stucco work explained step by step
Dampening block before new stucco goes on
Dry block or brick pulls water out of fresh stucco quickly. Plaster that loses its water too fast cannot cure properly and bonds poorly. Preservation guidance and the base coat maker both call for wetting a masonry base before application.
We dampen the prepared masonry so the surface is moist but not running with water, then apply the first coat. Metal lath is treated differently and is not soaked. The step takes little time, and it is one of the simplest ways to protect the bond of a chimney patch.
Stucco layers separating from the base
Delamination is when stucco loses its bond to the base, or when one coat separates from the coat beneath. The International Masonry Institute lists it with cracking and spalling as common forms of stucco damage.
A delaminated area can look almost normal until it is tapped or until a piece falls. Because it can spread from a small start, we map its full extent before quoting. The repair removes the separated layers back to a sound bond, and the estimate states the area involved.
Rust spots in rows on chimney stucco
Small rust spots arranged in rows can mark the heads of fasteners holding the lath. When water reaches them, they corrode and stain through the finish. The pattern often repeats across a face.
Spots like these suggest the lath fasteners are wet, which raises questions about the barrier and the water source. We note the pattern and whether the plaster around it sounds hollow. A repair may involve new fasteners and lath in that zone, not only a coat of stain-blocking paint.
Base coat products that follow the plaster standard
Many stucco repairs use a pre-blended base coat that needs only water. Makers of these products state that they comply with the ASTM standard for applying portland cement-based plaster.
A pre-blended base coat gives consistent results batch to batch, which helps on a small repair. Where a matched or softer mix suits the old stucco better, we explain why we prefer it. Either way, the estimate names the material, and the written record confirms what went on the chimney. If a product change is needed partway through, we tell you first.
Stucco estimate details for Durrs chimneys
- Sounding survey of each accessible face
- Loose stucco area marked and measured
- Repair boundary cut to sound edges
- Written record of the stucco work
Chimney stucco questions we hear in Durrs
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 free inspection include for a stucco chimney?
We look at every accessible face, tap for hollow areas, and check the top, the roof junction and the base. We explain what we saw and what we could not see. A free written estimate follows, with each item priced separately.
Do you replace the metal lath or reuse it?
Sound lath that has only pulled away can often be refastened. Corroded or torn lath in the repair area is cut out and replaced with corrosion-resistant lath lapped into what remains. The estimate says which we expect to do.
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Chimney & Fireplace Brands We Work With
DuraVent 
Olympia Chimney and Venting 
Copperfield Chimney Supply 
Rutland 
Heatilator 
Heat & Glo