Author Archives:
E2/AS1: The End of Direct Fix Cladding?
I have studied the recent changes to the New Zealand Building Code’s (NZBC) Acceptable Solution E2/AS1 for Clause E2 External Moisture that came into effect in August 2011. After an… Read more
Cladding Junctions and Weathertightness
Most homes and buildings these days have multiple claddings. Weathertightness and aesthetic detailing problems arise where two claddings meet. At Flashman, we have been aware of this flashing issue for… Read more
Sealants as Flashing a Poor Option
Sealants are still the default flashing around windows and doors. This is very poor practice and contrary to all advice on how to apply sealants. Let’s have a look at… Read more
Leaking Sacramento Apartments – What Has Changed?
I recently visited the notorious Sacramento Apartments where extensive remediation work is underway. I looked at the repairs and asked, “What has changed?” The answer I received was: “Nothing, really.”… Read more
Raking Heads and Sills on Aluminium Window and Door Flashing
Having seen a wide range of failed aluminium window and door flashing I strongly advise not to design raking window or door heads unless the head is hard up to… Read more



