BASC Search | Building America Solution Center

2021 IECC Climate Zone 1A: Flat Roof, Unvented, 2x6 Wall, Monolithic Slab on Grade (with notes)

2021 IECC Climate Zone 1A: Flat Roof, Unvented, 2x6 Wall, Monolithic Slab on Grade (with notes)

Image

2021 IECC Climate Zone 2A: Flat Roof, Unvented, 2x6 Wall, Monolithic Slab on Grade (with notes)

2021 IECC Climate Zone 2A: Flat Roof, Unvented, 2x6 Wall, Monolithic Slab on Grade (with notes)

Image

2021 IECC Climate Zone 2B: Flat Roof, Unvented, 2x6 Wall, Monolithic Slab on Grade (with notes)

2021 IECC Climate Zone 2B: Flat Roof, Unvented, 2x6 Wall, Monolithic Slab on Grade (with notes)

Image

2021 IECC Climate Zone 3A: Vented Cathedral Ceiling, 2x6 Wall, Vented Crawl Space (with notes)

2021 IECC Climate Zone 3A: Vented Cathedral Ceiling, 2x6 Wall, Vented Crawl Space (with notes)

Image

2021 IECC Climate Zone 2A: Unvented Attic with Spray Foam at Roof Deck, 2x6 Wall-CMU Wall, Elevated Slab

Image

Hand tools for cutting fiber board sheets include a knife, straight edge, and color-coded edge-cutting tools

Hand tools for cutting fiber board sheets include a knife, straight edge, and color-coded edge-cutting tools

Image

Dropped Ceiling/Soffit Below Unconditioned Attic

Video

Video describing how to air-seal soffits below attics.

An IR camera image shows gaps around HVAC flue pipes allow conditioned air to leak through blown fiberglass into the attic

Image

This builder applied an air-sealing layer of spray foam along the underside of the roof deck and the inside of the walls before filling the wall cavities with blown cellulose.

Image

Wrong - Foil air barrier was ripped to install wiring; foil should be replaced with a solid air barrier and wiring hole should be caulked.

Wrong - Foil air barrier was ripped to install wiring; foil should be replaced with a solid air barrier and wiring hole should be caulked.

Image

Cut fiber board with a red V-groove tool and a gray shiplap tool to create mitered corners and a shiplapped edge for duct sections

Image

IECC Climate Zone 2A: Unvented Attic with Spray Foam at Roof Deck, 2x6 Wall/CMU Wall, Elevated Slab

IECC Climate Zone 2A: Unvented Attic with Spray Foam at Roof Deck, 2x6 Wall/CMU Wall, Elevated Slab

Image

IECC Climate Zone 2A: Unvented Attic with Spray Foam at Roof Deck, 2x6 Wall/CMU Wall, Elevated Slab

IECC Climate Zone 2A: Unvented Attic with Spray Foam at Roof Deck, 2x6 Wall/CMU Wall, Elevated Slab

Image

Air Sealing Attached Garage

Guide

Guide describing ways to air-seal an attached garage in new and existing homes.

Existing Whole-House Solutions Case Study: Habitat for Humanity of Palm Beach County, Lake Worth, Florida

Case Study

Case study describing an energy efficient retrofit project in hot-humid climates.

New Whole-House Solutions Case Study: Pine Mountain Builders, Pine Mountain, Georgia

Case Study

Case study describing a builder in Georgia that designs energy-efficient homes for a green community, yielding homes with HERS scores as lowas 59 and electric bills as low as $50 a month.

In this gut rehab, drywall was removed then a sprayer-applied sealant was used to seal all large cracks and seams and then the 2x4 walls were filled with spray foam.

Image

Spray Foam Upper Walls Adjoining Unconditioned Attics

Video

Video describing how to insulate skylight shafts and knee walls correctly.

Floor Above Garage

Video

Video describing best practices for air-sealing floors above garages.

Advances in Manufactured Home Energy Efficient Design

Advances in Manufactured Home Energy Efficient Design

Presentation

Webinar explaining advances in energy efficient design for manufactured homes.

Foundation wall interior polyisocyanurate, foil-faced, exposed

Foundation wall interior polyisocyanurate, foil-faced, exposed

CAD File

When architects and builders think of the house as a systems, all of the parts are designed to work together for a healthy, durable home that minimizes builder callbacks while cutting energy, maintenance, and repair costs down the road.

When architects and builders think of the house as a systems, all of the parts are designed to work together for a healthy, durable home that minimizes builder callbacks while cutting energy, maintenance, and repair costs down the road.

Image

Termite shield with exterior rigid foam above and below

Termite shield with exterior rigid foam above and below

CAD File

Floor Above Unconditioned Basement or Vented Crawlspace

Video

Video describing how to properly air-seal floors above unconditioned basements and vented crawlspaces.

The thermal boundary for a gable roof can be located at either a) the flat ceiling with a vented attic or b) the roof line for an unvented attic

Image

Seal Seams in Air Handler Cabinets

Video

Video describing how to seal air handler cabinet seams.

Window and Door Rough Openings

Video

Video describing how to air-seal around window and door rough openings.

A low-sloped shed roof with the thermal boundary located at either a) the flat ceiling with a vented attic or b) the roof line for an unvented attic

Image

Your Northern Home: Walls

Video

Video describing how walls in cold climates must address three key issues: air leakage, moisture movement, and conductive heat losses.

If there are gaps larger than ¼ inch around a chimney in the attic, install sheet metal to cover the openings, secure the sheet metal to surrounding framing with screws or heavy staples, and seal all joints and seams with fire-rated caulk.

If there are gaps larger than ¼ inch around a chimney in the attic, install sheet metal to cover the openings, secure the sheet metal to surrounding framing with screws or heavy staples, and seal all joints and seams with fire-rated caulk.

Image

First
Previous
…
15
16
17
…
Next
Last