I'm considering to build a house with light-frame monocoque technology, which is unfamiliar/unpopular and somewhat new here in Hungary. My fears are also along

I'm considering to build a house with light-frame monocoque technology, which is unfamiliar/unpopular and somewhat new here in Hungary. My fears are also along these lines, I wonder if the glues used in the KVH "engineered timber" beams, or in the OSB boards would have health impacts. Not to mention the insecticides, the fungicides, flame retardants. Also there is little to no experience in long-term maintenance costs of these building technologies in Eastern Europe (only with more traditional log-house wood building methods), I'd be happy if I could get any info on it from people with experience on this (maybe from the Nordic region, or the USA probably). Oh the technology is basically: - wood frame from engineered timber, - OSB for lateral structural integrity (both inside and outside), - semi-permeable humidity closing layer - rock wool insulation - few centimetres of dense EPS foam on the inner side, over the OSB (this is where the wiring/plumbing is done in, traces cut with heat-knife), - and wood or drywall finishing on the inside - outer finishing can be wood or anything used for traditional buildings As per current building code automated continuous ventilation needs to be added with heat exchangers, which I think alleviates some of the VOC (formaldehyde) problem. (sorry for the possibly bad translation, I don't know the proper industrial lingo) This technology promises 20-30% cost savings from traditional brick based technology used extensively here, better net area (less lost on wall thickness for same level of heat insulation). On the other hand its longevity has no well-known track record here, so insurance costs may be higher, etc...