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PREFACE
Why do we use Division 07 00 00 Thermal and
Moisture Protection (Waterproofing) and
Preservation / Restoration in the same sentence?
Because Waterproofing is an integral part of
Preservation / Restoration. The only way we can
preserve or restore a structure is to stop or
prevent further water intrusion.
We are well aware that water has destroyed or
damaged more structures than wars and natural
disasters have. We appear to ignore this fact
when we attempt to preserve or restore our
historic structures today. Our landmark
architects, engineers and conservators face an
enormous challenge. They are required to
aesthetically preserve or restore historic
structures with non-drainable walls; no longer
used as originally designed but that must meet
new seismic and local codes. Limited budgets
and the requirements of the Preservation Briefs
further complicate the work. It is understandable
that waterproofing takes a back seat to aesthetics.
On the other side, the contractors have their
challenges. They are required to be proficient
bricklayers, carpenters, iron workers, sheetmetal
workers, stone masons, waterproofers and artists.
The manufacturers are caught in the middle.
They have to please the architects, engineers and
owners, as well as the contractors who have
different requirements. The contractors want
inexpensive products, application-friendly with