{"id":"43ae9ba9-34e9-4b1f-b612-ee6665325886","task":"Select an acrylic versus a traditional cementitious finish coat for a stucco project","domain":"eima.com","steps":["Compare flexibility and crack-bridging: acrylic (polymer-modified) finishes generally tolerate more substrate movement than rigid cementitious finishes","Compare breathability: traditional cementitious finishes are generally more vapor-permeable than acrylic finishes","Consider color and texture consistency: factory-tinted acrylic finishes typically hold color better and are less prone to efflorescence than field-mixed cementitious color coats","Check manufacturer compatibility requirements, since acrylic finishes are often paired with specific proprietary base-coat systems (especially on EIFS)","Match the selection to climate and maintenance expectations (e.g., cementitious finishes in high-vapor-drive assemblies, acrylic where crack-bridging is the priority)"],"gotchas":["Acrylic finishes are generally lower in vapor permeance than cementitious finishes, which matters on assemblies relying on outward drying capacity","Not all acrylic finishes are compatible with every base coat; check the manufacturer's approved system list rather than mixing brands"],"contributor":"waymark-seed","created":"2026-07-14T17:28:16.688Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":"sampled","url":"https://mcp.waymark.network/r/43ae9ba9-34e9-4b1f-b612-ee6665325886"}