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Guides A-Z

Guide describing how to insulate a basement to improve the overall thermal performance of the building and provide more dry, usable conditioned space for home occupants and for HVAC equipment.

Guide describing how to install WaterSense® labeled bathroom and kitchen sink faucets and accessories.

Guide describing how to avoid using wet materials and reduce moisture exposure in construction.

Information guide providing background information about moisture flow in residential buildings.

Guide describing how to install a capillary break to help manage moisture in foundations.

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 a capillary break under a slab foundation using either polyethylene sheeting or rigid insulation installed over aggregate or over sand and geotextile matting.

Guide describing appropriate flooring for wet areas of the home.

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

Vapor retarders can be a crucial part of the building envelope and can help manage moisture issues to keep the home dry. However, before installing a vapor retarder, installers must be aware that in some instances vapor retarders can increase the likelihood of condensation issues.

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

Guide describing how to apply water management strategies to below grade walls.

Guide describing how to install ENERGY STAR rated dishwasher and clothes washers. 

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 help drain water away from above-grade walls.

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

Guide describing how to insulate a new foundation wall or an existing foundation wall by adding rigid insulation to the exterior side.

Guide describing how to properly grade a site so water will not saturate the soil, and penetrate into the foundation.

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

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

Guide describing how to install flashings to help direct water down and out at all the openings in a wall system.

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

Guide describing how to conduct a home performance assessment before beginning retrofit projects in existing homes.

Guide describing how to upgrade a crawlspace floor in an existing home by adding insulation.

Guide describing how to install and test all water-using fixtures, equipment, and appliances to ensure there are no leaks.

Guide describing how to properly apply mulch to landscaping. 

Vapor retarders can be a crucial part of the building envelope and can help manage moisture issues to keep the home dry. However, before installing a vapor retarder, installers must be aware that in some instances vapor retarders can increase the likelihood of condensation issues.

Guide describing how to correctly choose building materials.

Guide describing how to correctly slope surfaces outside a home to force water to flow away from the edge of the home.

Guide describing why planting ground covers on steep slopes without irrigation prevents erosion. 

Guide describing how to insulate an existing slab floor by adding rigid foam insulation over the slab then installing a floating subfloor.

Guide describing how to apply heavy membranes at valley/roof deck penetrations in wet climates to help drain water away below the roofing.

Guide describing how to apply heavy membranes at eaves in cold climates to help guard against ice dams.

Guide describing service water pressure requirements for EPA's WaterSense Program.

Guide describing how to insulate an existing foundation wall by adding spray foam insulation to the interior side of the wall.

Guide describing how to install step and kick-out flashing on roofs.

Guide describing the need for covers on sump pumps in the basement or crawlspace of a home.

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

Guide describing toilet and urinal requirements and selection for EPA's WaterSense program.

Guide describing the design and installation considerations for recladding of above grade walls using insulated vinyl siding.

Guide with details about how to provide a continuous water control layer across the roof assembly by sealing all roof penetrations in existing homes.

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

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

Guide describing how to re-roof an existing home with a sloped roof.

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

Guide describing how to retrofit an existing basement floor or slab to reduce moisture issues.

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

Guide describing how to determine an efficient and effective water softener. 

Guide describing how to design a water-efficient landscape that will minimize the need for supplemental water by using the WaterSense® Water Budget Tool.