BASC Search

Conceptual insulation at cape-style roof - roof cavity insulation with rigid insulation closure

Conceptual insulation at cape-style roof - ceiling and knee wall cavity insulation

Advanced Framing: Insulated Corners

Guide describing how to frame and insulate corners to reduce heat losses and gains though structural framing.

Batt Insulation for Existing Vented Attics

Guide describing how to increase insulation in existing homes by installing batt insulation on the ceiling plane of a vented attic.

The attic kneewall and the open floor cavities under kneewall are both sealed and insulated in one step with spray foam insulation

Publication Date

Tue, 12/01/2009 - 12:00

The batt insulation shown here was properly installed to fill the ceiling cavities.

Reference

40% Whole-House Energy Savings in the Hot-Humid Climate, Volume 15

Author(s)

Baechler Michael C,

Gilbride Theresa L,

Hefty Marye G,

Cole Pam C,

Adams Karen T,

Noonan Chrissy F,

Love Pat M

Organization(s)

Pacific Northwest National Laboratory,

PNNL,

Oak Ridge National Laboratory,

ORNL,

U.S. Department of Energy,

DOE

A guidebook helping builders in hot-humid climates design and construct homes for energy efficiency, durability, health, safety, and comfort.

Publication Date

Thu, 09/01/2011 - 12:00

Right – Spray foam insulates the walls and ceilings separating the garage from the home.

Publication Date

Mon, 09/30/2019 - 12:00

Conceptual insulation practice at attic-style truss system - above unconditioned space

DWG

PDF

Conceptual insulation practice at attic-style truss system - above conditioned space

DWG

PDF

The rim joists and top plates are air sealed and insulated with open-cell spray foam while the walls are filled with blown fiberglass.

Right-- IR photo shows how effectively spray foam insulated/air sealed attic kneewall and the floor cavities under kneewall

Publication Date

Tue, 12/01/2009 - 12:00

Limited attic access may make it necessary to use a bore scope when inspecting for missing air barriers and insulation in existing buildings.

Publication Date

Tue, 12/01/2009 - 12:00

Skylight Shaft Walls

Guide describing insulation techniques for skylight shaft walls.

Roof/Attic to Exterior Wall Air Control Upgrade

Guide outlining how to retrofit an exterior wall and/or attic to provide continuous air sealing.

Dropped Ceiling/Soffit Below Unconditioned Attic

Guide describing how to insulate and air-seal dropped ceilings and soffits to prevent air leakage.

Install Top Plates or Blocking at the Top of Walls Adjoining Unconditioned Spaces

Guide describing how to correctly air-seal a wall with missing top plates or open wall cavities.

Air Sealing Drywall to Top Plate

Guide describing ways to seal drywall to the top plate of an exterior wall to air-seal the wall cavity.

Air Sealing Duct and Flue Shafts

Guide describing how to air-seal duct and flue shafts.

Building Code Training - Residential Thermal Envelope - Air Sealing

Author(s)

Southface Energy Institute

Organization(s)

SEI

Publication Date

May, 2020

Presentation describing the Georgia State Minimum Standard Energy Code air barrier requirements, envelope concepts including air flow and thermal properties, and common missed insulation and air-sealing opportunities.

DOE ZERH HIA 2017 Case Study: Thrive Home Builders, Courtyard Rows, Lone Tree, CO

Author(s)

Pacific Northwest National Laboratory,

U.S. Department of Energy

Organization(s)

PNNL,

DOE

Publication Date

September, 2017

Case study describing a DOE Zero Energy Ready Home 2017 Housing Innovation Award winner that scored HERS 41 without PV and 8 with PV.

Air Sealing Bathroom and Kitchen Exhaust Fans

Guide describing how to air-seal bathroom and kitchen exhaust fans.

The walls and ceilings of this post-and-beam home are filled with netted blown fiberglass.

This kneewall has no top plate and the resulting gap provides a wide-open pathway for air and vapor to travel between the living space and the attic

Small Commercial Building Fact Sheet - Building Envelope

Author(s)

Southface Energy Institute

Organization(s)

SEI

Publication Date

November, 2016

Fact sheet describing building envelope performance measures applicable to residential and small commercial construction.

Organization(s)

PNNL

Publication Date

April, 2012

Case study describing the design and testing of 10 high-performance homes in Farmington, Connecticut.

Conceptual insulation at cape-style roof - roof cavity insulation with rigid insulation closure

Conceptual insulation at cape-style roof - ceiling and knee wall cavity insulation

Advanced Framing: Insulated Corners

Batt Insulation for Existing Vented Attics

The attic kneewall and the open floor cavities under kneewall are both sealed and insulated in one step with spray foam insulation

The batt insulation shown here was properly installed to fill the ceiling cavities.

Right – Spray foam insulates the walls and ceilings separating the garage from the home.

Conceptual insulation practice at attic-style truss system - above unconditioned space

Conceptual insulation practice at attic-style truss system - above conditioned space

The rim joists and top plates are air sealed and insulated with open-cell spray foam while the walls are filled with blown fiberglass.

Right-- IR photo shows how effectively spray foam insulated/air sealed attic kneewall and the floor cavities under kneewall

Limited attic access may make it necessary to use a bore scope when inspecting for missing air barriers and insulation in existing buildings.

Skylight Shaft Walls

Roof/Attic to Exterior Wall Air Control Upgrade

Dropped Ceiling/Soffit Below Unconditioned Attic

Install Top Plates or Blocking at the Top of Walls Adjoining Unconditioned Spaces

Air Sealing Drywall to Top Plate

Air Sealing Duct and Flue Shafts

Building Code Training - Residential Thermal Envelope - Air Sealing

DOE ZERH HIA 2017 Case Study: Thrive Home Builders, Courtyard Rows, Lone Tree, CO

Air Sealing Bathroom and Kitchen Exhaust Fans

The walls and ceilings of this post-and-beam home are filled with netted blown fiberglass.

This kneewall has no top plate and the resulting gap provides a wide-open pathway for air and vapor to travel between the living space and the attic

Small Commercial Building Fact Sheet - Building Envelope

Ducts in Dropped Ceilings

Air sealing at skylight shaft

Air sealing at attic hatch - finish screws

Air seal at cabinet soffit - single-story

Air sealing at attic pull down attic stair

New Whole-House Solutions Case Study: Nelson Construction: Hamilton Way, Farmington, CT