Stucco repair: survey

Stucco walls by system and area, cracks, delaminated or blistered areas, moisture readings, flashings and sealant.

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What you measure

The template's tables and their columns, as the app shows them. Calculated columns fill in as you type.

Walls

  • Wall
  • SystemChoices: Cement stucco (three coats) One-coat stucco Acrylic finish over cement EIFS (insulation and finish) Unknown
  • Length
  • Height
  • Openings
  • Wall area calculated
  • Bottom edge above the ground
  • PlanChoices: Patch only Resurface to an architectural break Recoat the whole wall To decide
  • Notes

Cracks

  • Where
  • PatternChoices: Single crack Map cracking (spread out) Stepped Horizontal At the corner of an opening Other
  • Crack length
  • Width
  • Notes

Delamination, blisters and damage

  • ConditionChoices: Hollow when tapped (delaminated) Blistering or bubbling Missing or broken stucco Impact damage Efflorescence Staining or algae Other
  • Where
  • Length
  • Width
  • Damaged area calculated
  • Lath or insulation seenChoices: Yes No Not checked
  • Notes

Moisture readings

  • Where
  • MethodChoices: Non-invasive meter Pin meter in the substrate Probe through the cladding Visual only
  • Reading
  • Meter
  • Notes

Flashings, sealant and penetrations

  • DetailChoices: Window or door perimeter sealant Kick-out flashing at a roof edge Head flashing over an opening Sill or ledge Penetration (pipe, vent, light, faucet) Control or expansion joint Deck or balcony attachment Other
  • Where
  • Sealant and flashing length
  • Details counted
  • SeenChoices: In place Missing Cracked or failed To check
  • PlanChoices: Keep Replace Add To decide
  • Notes

About this template

Walls by system and area, cracks by pattern, length and width, delaminated or blistered areas, moisture readings, flashings, sealant and penetrations.

Guide and sources

The visit before a stucco wall is repaired, on one sheet: cement stucco, one-coat, an acrylic finish or EIFS. The walls: one row per wall or elevation, its system, its size less the openings, the bottom edge's height above the ground and what the client asks (a patch, resurfacing to an architectural break, the whole wall). The foundation's parging is in the masonry repair survey.

The damage: one row per crack or group of cracks (pattern, length, width), per area that is hollow, blistered, broken or stained (length and width, added up by type), and per moisture reading (where, how, the value on the meter's own scale). The details: flashings, sealant joints and penetrations, with their length or count and what is seen.

The hints cite the codes without applying them: Canada and Quebec, NBC 2020 Section 9.28 (the 200 mm above the ground, flashing and caulking, the coats); US, IRC 2021 R703.7 and R703.9 (the weep screed, EIFS above the ground and drained over framing). Sto's repair guides are that maker's practice; a diagnosis is a qualified professional's. No price: the sheet is the measure.

Sources

  • Sto, stucco repair guide Manufacturer dataStucco Repair and Maintenance Guide (Nos. 1.01 to 5.01), Sto Corp. Nos. 1.01 to 5.01: cleaning, cracking, blistering, efflorescence, water intrusion (undated sheets, read 2026-10-19). Checked Oct 19, 2026
  • IRC 2021, R703.7 and R703.9 CodeInternational Residential Code 2021, R703.7 Exterior Plaster (Stucco) and R703.9 EIFS (as adopted, Colorado), International Code Council (via UpCodes; Colorado adopts it without amendments), 2021. Checked Oct 19, 2026
  • Sto, EIFS repair guide Manufacturer dataStoTherm EIFS Repair and Maintenance Guide, Sto Corp. S707B, 02/11. Checked Oct 19, 2026
  • EPA RRP GovernmentLead Renovation, Repair and Painting Program: information for contractors, U.S. Environmental Protection Agency, page updated 2026-03-31. Checked Oct 15, 2026
  • NBC 2020, 9.28 CodeNational Building Code of Canada 2020, Section 9.28 Stucco, National Research Council Canada, 2020, Vol. 2, Division B, pp. 9-194 to 9-198 (Quebec: Code de construction, chapter I, in force 2025-04-17). Checked Oct 19, 2026
  • Health Canada, asbestos GovernmentAsbestos and your health, Health Canada, modified 2023-02-10. Checked Oct 8, 2026
  • CNESST, asbestos health programme GovernmentOccupational health programme, Risks related to asbestos exposure (outside construction sites), CNESST (Quebec), 10/2025, p. 2 and section 4. Checked Oct 15, 2026

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