There are few building theories I can
accept as absolute gospel. While I
understand most of them, I often find
the theories cannot fully explain the
range of problems I see in the field.
Some theories are expressed in
black and white, while real situations
are often a matter of degree. Theories,
by necessity, are simplified, while
reality is complex: Often a variety of
forces are at play and interact in ways
the theories don't predict. For
example, theories of convection,
vapor diffusion, and condensation are
undoubtedly useful in explaining
observations made in houses and
attics, but some of the symptoms I've
observed still leave me perplexed.
A variety of observations I've made
have led me to supplement the