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Research Reports

Research Reports are technical reports written for researchers but accessible to design professionals and builders. These reports typically provide an in-depth study of a particular topic or describe the results of a research project. They are often peer reviewed and also provide support for advice given in our Building Science Digests. The most recent documents posted are at the top of the list below.

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RR-1306: Vancouver Field Exposure Facility—Analysis and Comparison of HardiePlank Walls

By Jonathan Smegal
Download.pdf  2.1 MB

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RR-1305: Vancouver Field Exposure Facility—Phase IV Construction and Instrumentation

By Jonathan Smegal and Aaron Grin
Download.pdf  3.7 MB

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RR-1304: Vancouver Field Exposure Facility—Phase III Construction and Instrumentation

By Aaron Grin and Jonathan Smegal
Download.pdf  1.5 MB

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RR-0907: Ventilated Wall Claddings: Review, Field Performance, and Hygrothermal Modeling

By John Straube
Download.pdf  2.3 MB

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RR-0905: Modeled and Measured Drainage, Storage and Drying Behind Cladding Systems

By John Straube and Jonathan Smegal
Download.pdf  2.3 MB

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RR-0503: Rainwater Management Performance of Newly Constructed Residential Building Enclosures

By Joseph Lstiburek
Download.pdf  3.3 MB

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RR-0603: Impact Resistance of Advanced Framed Wall Systems with Insulating Sheathing as the Primary Sheathing

By Joseph Lstiburek
Download.pdf  2.8 MB

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RR-0912: Spray Polyurethane Foam: The Need for Vapor Retarders in Above-Grade Residential Walls

By John Straube, Rachel Smith and Graham Finch; Building Energy Group
Download.pdf  5.5 MB

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RR-0901: Thermal Metrics for High Performance Walls—The Limitations of R-Value

By John Straube
Download.pdf  4.4 MB

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RR-0803: Volatile Organic Compound Concentrations and Emission Rates in New Manufactured and Site-Built Houses

By Armin Rudd
Download.pdf  382.5 KB

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RR-9906: Air Handler Leakage Testing: Sierra Air Conditioning, La Vegas, Nevada

By Building Science Corporation
Download.pdf  4.3 MB

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RR-0104: Solar Driven Moisture in Brick Veneer

By Joseph Lstiburek
Download.pdf  1.0 MB

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RR-0108: Unvented Roof Systems

By Joseph Lstiburek
Download.pdf  1.7 MB

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RR-0412: Insulations, Sheathings and Vapor Retarders

By Joseph Lstiburek
Download.pdf  1.2 MB

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RR-0411: Vent on Venting

By Joseph Lstiburek
Download.pdf  207.2 KB

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RR-0308: The How and Why of Your High Performance HVAC System

By Building Science Corporation
Download.pdf  1.1 MB

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RR-0211: Mold—Causes, Health Effects and Clean-up

By Joseph Lstiburek
Download.pdf  188.6 KB

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RR-0210: Mold Remediation in Occupied Homes

By Joseph Lstiburek
Download.pdf  182.6 KB

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RR-0209: Mold Testing

By Joseph Lstiburek
Download.pdf  176.5 KB

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RR-0208: What You Need to Know About Mold

By Joseph Lstiburek
Download.pdf  174.2 KB

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RR-0107: Drywall, Wood and Truss Uplift

By Joseph Lstiburek
Download.pdf  723.1 KB

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RR-0106: Problems with Housewraps

By Joseph Lstiburek
Download.pdf  494.3 KB

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RR-0105: Brick, Stucco, Housewrap and Building Paper

By Joseph Lstiburek
Download.pdf  230.8 KB

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RR-0304: Central Fan Integrated Supply Ventilation—The Basics

By Armin Rudd
Download.pdf  778.9 KB

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RR-0407: Installing a Window with Building Paper on OSB over Wood Frame Wall

By Joseph Lstiburek
Download.pdf  808.4 KB

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RR-0206: Foundations—Moisture Resistant Construction

By Joseph Lstiburek
Download.pdf  176.6 KB

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RR-0103: Water Management

By Joseph Lstiburek
Download.pdf  170.1 KB

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RR-0005: Transfer Grille Sizing

By Armin Rudd
Download.pdf  308.1 KB

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RR-0004: Air Barriers vs. Vapor Barriers

By Joseph Lstiburek
Download.pdf  209.4 KB

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RR-0404: Roof Design

By Joseph Lstiburek
Download.pdf  826.1 KB

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RR-0403: Air Barriers

By Joseph Lstiburek
Download.pdf  1.1 MB

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RR-0303: Ventilation and Air Leakage

By Andrew C. Åsk, P.E.
Download.pdf  701.9 KB

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RR-9901: Air Distribution Fan and Outside Air Damper Recycling Control

By Armin Rudd
Download.pdf  190.4 KB

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RR-0203: Relative Humidity

By Joseph Lstiburek
Download.pdf  1.0 MB

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RR-0701: Whole House Ventilation Systems Options—Phase 1 Simulation Study

By Joseph Lstiburek, Betsy Pettit, Armin Rudd
Download.pdf  1.8 MB

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RR-0409: Painting

By Joseph Lstiburek
Download.pdf  588.6 KB

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RR-0410: Vapor Barriers and Wall Design

By Joseph Lstiburek
Download.pdf  2.1 MB

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RR-0408: The deKieffer Bypass

By Building Science Corporation
Download.pdf  477.3 KB

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RR-0301: Unvented Roof Summary Article

By Kohta Ueno
Download.pdf  1.5 MB

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RR-9912: Discussion of Ventilation System Energy Performance and Cost

By Armin Rudd
Download.pdf  189.0 KB

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RR-9910: Wood Durability

By Joseph Lstiburek
Download.pdf  285.2 KB

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RR-9909: Drainage Planes and Air Spaces

By Joseph Lstiburek
Download.pdf  211.1 KB

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RR-9904: Unvented-cathedralized attics: Where we've been and where we're going

By Armin Rudd, Joseph Lstiburek, Kohta Ueno
Download.pdf  289.5 KB

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RR-9905: Air Pressure and Building Envelopes

By Joseph Lstiburek
Download.pdf  859.5 KB

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