Update – Building controls No. 176 and 177: guidance on product substitution, safety and suitability of external cladding
B.C.Update 176: Further Guidance Relating to Building Product Substitution Work by MBIE to assist BCAs concerned about inferior building products has highlighted ongoing issues relating to product substitution. In some cases, products substituted after building consent has been granted have been unauthorised, have no evidence of compliance with the relevant Building Code requirements, and invalidate…