Bibliographic info:
Centre Scientifique et Technique du Batiment B.R.E Library translation no 1960.

This is a short guide to the choice of a type of window, considering its position and exposure to wind. Defines exposure grades for windows. Gives recommendations for choice of windows considering air permeability, water tightness and wind resistance. The catagories of windows are as defined in standard N F P 20 302.