BASC Search | Building America Solution Center

Technology Solutions Case Study: Predicting Envelope Leakage in Attached Dwellings

Case Study

Case study describing the measurement of envelope leakage in multifamily buildings.

Mastic Home Exteriors Installation Guide

Reference

Siding installation guide for Ply Gem Siding Group products.

Flashing of Wall Penetrations in Existing Homes

Guide

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

Building Enclosure: Roof Overview

Video

Video describing good installation practices and features of a properly installed roof and gutter system.

Water Management of Existing Crawlspace Floor

Guide

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

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

Case Study

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

Existing Whole-House Solutions Case Study: Evaluation of a Multifamily Retrofit in Climate Zone 5, Boulder, Colorado

Case Study

Case study describing a multifamily retrofit project in a cold climate.

New Whole-House Solutions Case Study: Lancaster Live/Work Townhome Prototype

Case Study

Case study describing a building project in the marine climate.

Walls Behind Showers and Tubs (2)

Video

Video describing how to properly insulate walls behind showers and tubs.

Existing Whole-House Solutions Case Study: National Grid Deep Energy Retrofit Pilot Program - Clark Residence

Case Study

Case study describing a retrofit project in the cold and very-cold climate zones.

Construct Roofs and Attics for Ice Dam Prevention

Guide

Guide describing how ice dams form and how roofs can be constructed to prevent them.

Right - The vent hood is flashed

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Staking Ground Poly

Video

Video describing how to install and secure a polyethylene vapor barrier on the floor of a crawlspace.

Water Managed Roof – Re-roofing and Adding Insulation over a Flat Roof

Guide

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

Polyisocyanurate rigid foam insulation is installed in multiple layers with staggered, taped seams over the flat roof

Image

Right – Even house wrap is installed in the factory for these modular homes where each floor is factory assembled.

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Low-Slope ("Flat") Roofs

Guide

A guide describing how to install low-sloped ("flat") roofs with insulation above the roof deck that resist wind pressures during high-wind events.

Technology Solutions Case Study: Hygrothermal Performance of a Double-Stud Cellulose Wall

Case Study

Case study describing the moisture content in homes with double wall framing.

Right - The pipe penetration is properly flashed and furring strips are installed on each side in preparation for installing cladding

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READ THIS: Before You Move In, GM-0606

Reference

Report describing steps homeowners can take to improve the indoor air quality in their home, including ventilating, preventing pests, and reducing pollutants in the home.

Foundation wall interior polyisocyanurate, foil-faced, exposed

CAD File

A piece of siding is used as sill extension and to provide slope in the opening for the window, which is deeper because exterior rigid foam has been added

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Moisture Control for Residential Buildings

Reference

Report providing extensive guidance on controlling moisture in building envelopes through proper selection and installation on air, water, thermal, and vapor barriers.