Guide
Description
Guide describing the installation of roof vents that are resistant to damage from high winds and entry of wind-borne rain, wildfire embers, or pests.
Guide
Description
Guide describing options for insulating and air sealing at either the attic floor or along the roof line in new homes.
Guide
Description
Guide describing how to increase insulation in existing homes by installing batt insulation on the ceiling plane of a vented attic.
Guide
Description
Guide describing how to air-seal and insulate a ceiling where the insulation is installed on top of the ceiling (on the attic floor) in a vented attic.
Guide
Description
Guide describing a method for insulating an unvented attic by spraying foam insulation along the underside of the roof deck.
Information Guide
Description
Information guide describing things to consider in the attic, ceiling, or roof before attempting retrofits of items including HVAC, wiring, or structural systems.
Information Guide
Description
Information guide describing how to calculate attic passive ventilation with example calculations.
Guide
Description
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.
Guide
Description
Guide describing the installation of insulating sheathing above the roof deck on existing homes. This retrofit assembly is appropriate for homes with conditioned attics or where the retrofit is intended to create a conditioned attic.
Guide
Description
Guide describing wind washing of insulation in the eaves of vented attics and how to prevent it.
Guide
Description
Guide describing how to re-roof an existing home with a sloped roof and add insulation above the roof deck.
Guide
Description
Guide describing methods for insulating an unvented attic along the roof line.
Information Guide
Description
Information guide describing proper attic air-sealing, insulation, and ventilation to combat ice dam formation on roofs in cold climate zones.
Information Guide
Description
Information guide describing the use of attic ventilation fans to mechanically pull outside air through the attic in an attempt to cool the attic, control moisture, and prevent ice dams.
Guide
Description
Guide describing causes of condensation in attics and roof assemblies during cold weather and ways to reduce this condensation.
Guide
Description
Guide describing approaches to burying and encapsulating ducts in unconditioned attics to increase the overall R-value of duct insulation.
Guide
Description
Guide describing application of a radiant barrier layer in the attic to block radiant heat transfer between hot surfaces and heat-absorbing surfaces.
Guide
Description
Guide that illustrates how and when to encapsulate ductwork in unconditioned attics, increasing the R-value of duct insulation, mitigating condensation issues, and reducing air leakage.
Guide
Description
Guide describing air-sealing of the seams and holes in HVAC air handler and furnace cabinets.
Guide
Description
Guide describing method for designing and installing ducts in a raised ceiling chase.