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Guide describing why and how to avoid using damp materials in construction.

Guide describing how to create a capillary break at all crawlspace floors using polyethylene sheeting to manage moisture in crawlspaces.

Guide describing how to install moisture-resistant materials on walls behind showers and tubs to help manage moisture.

Guide describing vapor retarder permeability, insulation interaction, and example construction in a hot-humid climate.

Guide describing how to complete remove and replace a window in an existing home.

Guide describing installation of sump pumps in the basement or crawlspace of a home.

Guide describing installation of a fully sealed continuous weather resistant barrier to provide a drainage plane to keep rainwater out of above-grade walls.

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

Guide describing how to properly grade a site so water will flow away from the foundation.

Guide describing how to apply flashing to the bottom of exterior walls to create a continuous drainage plane.

Guide describing how to provide a continuous water control layer across the roof assembly by sealing all penetrations for pipes, vents, etc. in existing roofs.

Guide describing how to install and properly integrate flashing at the intersection of the wall and roof on an existing home.

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.

Guide describing how to help drain water away from the perimeter footing.

Guide describing the installation of gutters, downspouts, and alternate options for managing rainwater run-off from roofs.

Guide describing how to install a corrosion-resistant drain pan in condensate-producing HVAC equipment.

Guide describing how to insert a replacement window in an existing home.

Vapor retarder plastic should not be installed over fibrous insulation on basement or crawlspace walls; rigid foam or spray foam should be installed directly against the concrete, behind the blanket insulation.

Guide describing how to slope solid surfaces outside of a home so rainwater flows away from the home.

Guide describing how to install step and kick-out flashing where walls meet roofs.

Guide describing how to install an airtight cover on a sump pump in the basement or crawlspace of a home to minimize humidity in the home.

Guide describing techniques for installing insulating sheathing as a continuous drainage plane on walls.

Guide describing how to insulate the sill beam or sill plate on the exterior side in a way that allows drying to the exterior, as part of an exterior wall upgrade.

Guide describing an approach to re-roofing an existing flat roof to improve thermal, water, and air control performance.

Step 3: Moisture Protection

Building Materials with High Moisture Content Not Enclosed

Capillary Break at Crawlspace Floors - Polyethylene Lapped Up Walls and Piers or Secured in the Ground

Cement Board Installed behind Tile and Panel Tub and Shower Enclosures

Class I Vapor Retarders Not Installed in Above-Grade Walls in Warm-Humid Climate

Complete Window and Frame Replacement

Drain or Sump Pump Installed in Basements or Crawlspaces

Drainage Plane Behind Exterior Wall Cladding

Existing Skylights Repaired or Replaced and Fully Flashed

Final Grade Slopes Away from Foundation

Flashing at Bottom of Exterior Walls

Flashing of Penetrations in Existing Roofs

Flashing of Roof-Wall Intersections in Existing Homes

Flashing of Wall Penetrations in Existing Homes

Footing Drain Pipe

Gutters and Downspouts

HVAC has Corrosion-Resistant Condensate Drain Pan

Insert Replacement Window

No Vapor Retarders on Interior Side of Air-Permeable Foundation Insulation

Patio Slabs, Porch Slabs, Walkways, and Driveways Slope Away from House

Step and Kick-Out Flashing at Roof-Wall Intersections

Sump Pump Cover Gasket

Taped Insulating Sheathing Drainage Planes

Water Managed Existing Sill Beams and Sill Plates

Water Managed Roof – Re-roofing and Adding Insulation over a Flat Roof

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Step 3: Moisture Protection