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Findings from a durability lab
by Adrian Gerard Saldanha and David H. Nicastro, PE
All images courtesy Building Diagnostics Inc.
LEAKING EXTERIOR DOORS ARE
A COMMON PROBLEM AFFECTING
BUILDING OWNERS AND TENANTS,
CAUSING PROPERTY DAMAGE, AND
REQUIRING EXPENSIVE REPAIRS.
DESIGNERS AND BUILDERS ARE AWARE
OF THE ISSUE. NEVERTHELESS, THEY
CONTINUALLY STRUGGLE TO PREVENT
WATER INFILTRATION THROUGH THIS
FUNDAMENTAL BUILDING ELEMENT.
Figure 1 (page 54) catalogs the various routes
taken by rain inﬁltrating a doorway. Most of the
sources of leaks can be eliminated by better design
and construction practices, but there remains an
intractable problem that must be addressed by
This article focuses on accessible exterior swing
doors used on ofﬁce buildings, retail, multi-family
residential, and institutional buildings for entrances,
emergency exits, terraces, balconies, and patios.
52 the construction speciﬁer | may 2013
4/16/13 3:35:33 PM