Acronym for International Conference of Building Officials. ICBO, once one of three model code agencies in the US, developed the Uniform Building Code (UBC, see also) which had been commonly adopted in the Western United States. ICBO has been absorbed into the ICC.
See also: ICC
SPFA believes that the path to a healthful, safe, high-quality and performing SPF installation travels through the hands of a knowledgeable, trained, experienced, and ideally PCP-certified professional contractor.