Walls: Resistance to hard body impact (NT BUILD 066) Posted onSeptember 1, 1978October 2, 2020Author Report #: NT BUILD 066 Approved: September 1978 Download pdf Size: 64.80 KB Abstract This NORDTEST METHOD specifies a test method to determine the strength of walls when exposed to concentrated impact loads (e.g. simulating blows from a broomstick). –