AnsweredAssumed Answered

NFPA 31 Vent Screen Mesh

Question asked by crbutler on Jan 17, 2020
Latest reply on Feb 3, 2020 by milt.werner

NFPA 31 Section 8.6.4 states vent screen must be #4 (0.187") or coarser. This does not align with UL180:2019 which states the screen must be 2.0 mm (0.787") to 4.0 mm (0.157") - Section 8.4. These need to be aligned. Please comment, Thanks.

Outcomes