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Guide providing information about treating bulk water drainage issues and moisture control measures in existing basements and crawl spaces.

Guide describing steps to take to minimize indoor humidity in preparation for cold winter weather.

Guide describing options for adding dehumidification equipment to a home to maintain indoor relative humidity below 60%.

Guide describing a method for insulating an unvented attic by spraying foam insulation along the underside of the roof deck.

Guide describing how to add spray foam insulation to the underside of the existing roof deck as part of the conversion of a vented attic to an unvented, insulated attic.

This guide describes how to install a whole-building ventilation system to provide adequate dilution of indoor air contaminants.

Guide describing how to select and install whole-house ventilation systems for existing homes.