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This basement is insulated on the exterior with rigid foam over dampproofing, with granular backfill and footing drains to facilitate drainage away from the foundation, a termite shield to protect from pests, and cellular PVC to protect the rigid foam.

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Flashing of Wall Penetrations in Existing Homes

Guide

Guide describing how to install flashing that is integrated with air and water control layers around piping, vents, and other wall penetrations as part of an exterior wall retrofit.

Existing Skylights Repaired or Replaced and Fully Flashed

Guide

Guide describing how to repair or replace skylights in existing homes.