Browse Forums Building Standards; Getting It Right! 1 Jan 24, 2019 6:30 am My builder has substituted a 30 meter aac firewall as on the building planwith an eps wall What are the implications here and do we have any legal recourse ? We are more than the required distance from the next house but our plans still state a firewall? Re: EPS v aac 2Jan 24, 2019 9:08 am Jacpat Material Substitution is a major issue for home Builders the code requirements & certification laws are lax and haven't kept up with the issue of EPS I believe they are being reviewed Chase down the engineering material properties,data,etc and have it reviewed by an engineer You don't want to have to deal with remediation/repair work further down the track which will be very expensive and you may not be covered by insurance HTH Designer,Engineer (Civil,Const & Envir),Builder,Concrete & Masonry Contract.Struct Repairs Oh no! I would use a can of expandable foam ( there are some that will take render) then cut it back and render over the top 1 4108 |