New Bayseal® OCX open-cell spray polyurethane foam not only meets AC 377 Appendix X criteria, it also meets IBC and IRC requirements for fire resistance without an additional ignition barrier or use of intumescent coating when used in service-only attics or crawlspaces.
Although the ruling went into effect on August 3, 2015, OSHA has agreed to refrain from issuing citations to any employer that is making good-faith efforts to comply with the standard.