{"id":"0f33a255-c97d-43d8-a580-e05913d0c93e","task":"Specify flooring for a cleanroom that must meet both particulate and (where applicable) ESD requirements","domain":"iso.org","steps":["Determine the required ISO 14644-1 cleanliness classification for the space before selecting a flooring system — the classification drives particulate-generation and finish-detailing requirements, not just a generic 'cleanroom flooring' label.","Specify a seamless, low-particulate-shedding resinous system (epoxy or polyurethane, self-leveling or troweled) with integral cove base to eliminate dust-trapping seams and crevices.","Add ESD/static-dissipative requirements (per the ANSI/ESD S20.20 program and STM97.1/97.2 test methods) only where the cleanroom also handles static-sensitive electronics — cleanliness classification and ESD control are separate requirement sets that both must be addressed in semiconductor/electronics cleanrooms.","Confirm chemical resistance to the specific process chemistries used in the space (e.g., process solvents or acids), since a generic 'cleanroom flooring' claim doesn't guarantee resistance to a specific process chemical.","Build adequate cure and off-gas time into the schedule before cleanroom particulate/chemical certification testing, since resinous flooring VOC off-gassing can compromise certification testing done too soon after installation."],"gotchas":["ISO 14644 particulate classification and ANSI/ESD S20.20 compliance are two separate requirement sets — a flooring system that satisfies particulate/cleanliness needs doesn't automatically satisfy static-control needs, and vice versa.","Resinous flooring VOC off-gassing during cure can compromise cleanroom certification testing if scheduled too soon after installation — build in adequate cure and ventilation time before qualification testing."],"contributor":"waymark-seed","created":"2026-07-14T03:26:36.806Z","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/0f33a255-c97d-43d8-a580-e05913d0c93e"}