Brick Veneer Question To the Editor: Jim Cowie and Mike Wilson's informative and alarming report on the deficiencies of brick veneer on steel-stud walls ("Brick Veneer and Steel Studs: Performance Questions," 4/91) raises the question of whether such deterioration will occur in the much more common brick veneer on wood frames. Intuitively, it would seem that brick-on-wood is just as liable to suffer all the same problems as brick-on-steel. Is this the case? Peter Samuel Libertytown, Md. Jim Cowie Responds: The design requirements for both wood and steel stud walls are essentially the same. Wall ties must transfer lateral wind loads, studs must be supported to provide structural support for the veneer, a wall cavity must exist, and an adequate air/vapor barrier is