Stucco & Exterior Walls in Sierra Madre
What sits behind the plaster decides the job. Fernhill Builders probes Sierra Madre stucco walls for damp framing before it writes a scope.
Plaster hides the part of a wall that decides the job. A hollow sound, a stain that returns after repainting or a crack running off a window corner can mean damp sheathing, or a bottom plate gone soft. Some of Sierra Madre falls inside mapped fire hazard zones, so whatever we find also settles whether the rebuilt wall can meet ember-resistance rules.
Probing the base of the wall
The lowest course is where water collects, so we start there. A pin meter reads damp wood without cutting, and a screwdriver tip tells us whether the sill plate is firm. If readings run high, a small window is cut through the plaster and paper to expose the sheathing and studs. Sound wood that is merely damp is left to dry once the leak is fixed. Soft wood is cut back to solid framing and replaced, which turns a patch into a strip and rebuild of that section.
When a finding changes the scope
A clean cut means a patch can go ahead and be blended into the field. A wet one means the scope grows to include framing repair, new paper lapped properly, fresh lath and a screed reset at the base. Each of those layers is written as its own line, so the work is described before it begins. Where the wall faces a hazard area, replacement trim, fascia and vents are chosen to satisfy the code's wildfire provisions. That keeps the scope honest about the wall.
Stucco & Exterior in Sierra Madre: common questions
Noncombustible walls come in two forms here: plaster on metal lath over lapped paper, and fiber cement lap siding. Inside a mapped hazard area, the eaves, vents and trim matter as much as the wall face, so ember-resistant parts go in wherever the code's wildfire provisions call for them.
A patch suits a wall whose readings stay normal and whose paper is intact. Opening the wall down to the sheathing is the answer when moisture has reached the framing, because plaster laid over wet wood fails again. The probe results decide it, and they are described in the scope.
The gap closes in layers. Soil is lowered or paving trimmed so the screed sits clear. Its slots get cleaned, damaged lengths are replaced and the plaster is cut back to the screed edge. Once the work is done, plants and mulch stay away from the wall.
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More work we do in Sierra Madre
Plan your project in Sierra Madre
Tell us about the house and the stucco & exterior work. We reply about a walk-through and a written scope.