Update - Icf
ICFs, by their very nature, offer an airtight solution. The monolithic concrete core creates an impermeable air barrier. Recent updates to ASTM standards (specifically ASTM E779) have highlighted ICFs' ability to consistently meet air leakage rates of less than 1.5 ACH50 (Air Changes per Hour at 50 Pascals), a metric that is becoming the gold standard for high-performance homes.
is a legal document that ensures participants understand the risks and benefits of a study. www.tracercro.com icf update