I've heard good and bad things about them, with untraceable leaks persisting in at least one such building that was referred to the Construction Forum in Boards.ie say a year or so ago.
In principle the build looks the business, but the posts I mentioned above seemed to suggest that there may be a risk of water penetrating at the openings in walls.
I haven't followed the threads on Boards.ie in a while, but I recommend you do some research on that forum before proceeding with any such build.
I also strongly recommend you investigate other methods of build which effectively mirror the strengths of ICF.
In the meantime do some googling like this.
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"Insulated concrete forms (ICF) — If builders fail to follow application guidelines for this energy-efficient building material, moisture can be trapped in interior walls and cause structural damage and mold."
And, remembering that Ireland has a wet climate -
"Toxic Mold Contamination — Water intrusion can ruin more than your walls and carpet. While many forms of mold are unsightly but harmless to humans, black mold and other molds can cause serious respiratory problems, neurological problems, and other health effects. We have successfully litigated personal injury claims related to mold caused by construction defects."
Now this may be an American website and Toxic Mould may be rare here but some architects P.I. Cover specifically excludes incidence of Toxic Mould.
You could dismiss this as scare mongering, but I am offering independent professional advice, I am beholden to no industry leader or product.
As with every new product of building method,m you have to fully research the existing examples in a climate similar to where you'll build.
You should also appoint an architect to carefully review and comment on any proposed details from your specialist building company.
If there is a defect evident at drawing level and he fails to discover it, its poor recompense to have to take legal action.
No doubt other posts will have something to contribute.
ONQ.
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All advice on AAM is remote from the situation and cannot be relied upon as a defence or support - in and of itself - should legal action be taken.
Competent legal and building professionals should be asked to advise in Real Life with rights to inspect and issue reports on the matters at hand.