> It would take me some time to find more formal studies No one will study the strength of insulation foam because it will never be authorised as a structural

> It would take me some time to find more formal studies No one will study the strength of insulation foam because it will never be authorised as a structural material. > Everything I've read indicates that any offgassing/odor is gone in 24 hours or less. Everything you read comes from manufacturers or bloggers/influencers paid by manufacturers. On construction forums you'll find plenty of people complaining of weird smells months/years down the line. Again, people do whatever they want with their houses and health, personally I'm not touching this shit with a ten foot pole given the alternatives https://www.greenbuildingadvisor.com/question/fumes-from-closed-open-cell-foam-months-later https://www.greenbuildingadvisor.com/question/fumes-from-clo... https://www.sprayfoammagazine.com/forum/topic/spray-foam-odor-3-months-after-installation/2137 https://www.sprayfoammagazine.com/forum/topic/spray-foam-odo... https://www.reddit.com/r/Insulation/comments/1bsm8db/faint_smell_from_spray_foamed_attic_18_months/ https://www.reddit.com/r/Insulation/comments/1bsm8db/faint_s... https://www.reddit.com/r/HomeImprovement/comments/bfhpmt/open_cell_spray_foam_still_off_gassing_2_years/ https://www.reddit.com/r/HomeImprovement/comments/bfhpmt/ope...