Once in awhile I discover missing or incorrectly installed window flashing during the rough-in inspection of a green home. Normally it’s easy to provide the proper method by referring to the manufacturer’s instructions. Unfortunately, in one particular case, the manufacturer’s installation instructions were very limited directing the installer to follow the local building code. The window installation / flashing portion of the building code simply stated to follow manufacturer’s instructions. Interesting dilemma. Tyvek was used for the housewrap and luckily Tyvek provides a wonderful resource of window flashing and installation instructions for various types of windows. If you find yourself in a similar situation, the following sites can be very helpful:
- Tyvek’s window installation resource can be accessed at http://ht.ly/2sOmq.
- There’s a great article entitled A Guide to Recessed Window Flashing on the TLS Laboratories site, plus TLS offers a series of videos accessible through their “Products” tab, http://ht.ly/2sPPu.
- The American Architectural Manufacturers Association offers publications for sale on commercial and residential window installation, http://ht.ly/2sPEv.


