BASC Search | Building America Solution Center

Right – This attic knee wall and the floor joist cavity openings beneath it are being sealed and insulated with spray foam.

Image

Advanced Framing: Insulated Corners

Guide

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

Are the Walls Closing In?

Presentation

Webinar describing research on moisture performance in high-R walls.

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

Image

Moisture Management in Residential Construction Series - Brick Installation Drainage Cavity Wall

Video

Video from Home Innovation Research Labs showing how to correctly install brick cladding on exterior walls with a drainage cavity behind it for moisture prevention.

Limited attic access can make inspections for missing air barriers and insulation challenging

Image

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

Image

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

Image

A 1- and ½-story home with a room located in the attic and the thermal boundary located at either a) the walls and ceiling of the attic room with small vented attic spaces or b) the roof line for an unvented attic

Image

Advanced Framing vs Traditional Framing

Video

Video describing traditional 2x4 16 inch on center framing versus advanced framing with 2x6 stud walls at 24 inch on center, insulated corners and headers, wall stud-ceiling joist alignment, etc. providing a strong wall with more room for insulation.

Technology Solutions Case Study: Stand-Off Furring in Deep Energy Retrofits

Case Study

Case study describing a stand-off furring strategy that minimizes the physical connections to each existing wall stud, uses spray foam to encapsulate existing siding materials (including lead paint), and creates a vented rain screen assembly to promote drying.

Existing Whole-House Solutions Case Study: Deep Energy Retrofit in the Pacific Northwest

Case Study

Case study describing a whole-house, deep energy retrofit project in the marine climate.

New Whole-House Solutions Case Study: Lancaster County Career and Technology Center Green Home 3 - Mount Joy, Pennsylvania

Case Study

Case study describing the Green Home 3 project, which achieved a 44% whole-house energy savings over the Building America New Construction B10 Benchmark, DOE Zero Energy Ready Home certification, and National Green Building Standard Gold-level certification.