Build Tight, Ventilate Right: Lessons in Hot Air and Sticks and Stones
Musings on Mazria, Lstiburek and Gifford: Part ThreeI just want to set the record straight on one point: I have not imbibed the USGBC Koolaid. I do like its mission, goals, and products, and the...
View ArticleThe Perfect Wall, Roof, and Slab — Building Science Podcast
Subtitle: Dr. Joe Lstiburek talks about enclosure design principles for energy-efficient houses. Insulation, air conditioning, heating, and forced-air delivery systems have all changed the physics of...
View ArticleLstiburek’s Rules for Venting Roofs
Subtitle: You need an airtight ceiling, lots of air flow, plenty of soffit vents, and deep insulation at the attic perimeter Images: Building Science Fundamentals: Roof, Part 1: VentilationBy Dr....
View ArticleStuff I Learned at Joe Lstiburek’s House, Part 1
Subtitle: Everything I thought I knew about combined hydronic heat and hot water systems utilizing tankless water heaters is up for debate... Images: The invitation was too cool to be real: My name...
View ArticleA Bold Attempt to Slay R-Value
Subtitle: A group of building science researchers is trying to invent a new metric for measuring the thermal performance of walls and ceilings Images: R-valueMeasure of resistance to heat flow; the...
View ArticleJoe Lstiburek’s Airtightness Goals
Subtitle: The renowned building engineer explains why the Passivhaus limit of 0.6 ach50 is just fine — except when it isn’t Images: In commentary recently posted to the Building Science Corporation...
View ArticleJoe Lstiburek Discusses Basement Insulation and Vapor Retarders
Subtitle: An all-day seminar with Dr. Joe yields two news stories, a six-digit idea, and plenty of quotable opinions and conclusions Images: Dr. Joseph Lstiburek needs little introduction. The...
View ArticleAir Leakage Degrades the Thermal Performance of Walls
Subtitle: No surprises here — but testing by the Building Science Corporation begins to quantify the problem Images: For the past five years, researchers at the Building Science Corporation (BSC) in...
View ArticleJoseph Lstiburek Surprises Passive House Conference Attendees
Subtitle: Dr. Joe mixes history, insight, and wit — and decides to show his nice side Images: At the 2012 Passive HouseA residential building construction standard requiring very low levels of air...
View ArticleRainscreen Gaps and Igloos
Subtitle: A report from the 2013 Westford Symposium on Building Science Images: For the past 17 years, Joe Lstiburek and Betsy Pettit have hosted an annual conference, the Westford Symposium on...
View ArticleFoam Shrinks, and Other Lessons
Prime: prime Subtitle: What we learned from updating a 16-year-old deep-energy retrofit Images: I did a deep-energy retrofit on my barn 16 years ago. Building Science Corp. was young and growing, and...
View ArticleMust the Three Pigs Die?
Prime: prime Subtitle: Robert Bean says that combustion, customization, and complexity are the bane of buildings Images: Building Science Summer Camp was last week. That means I was in Massachusetts...
View ArticleNuggets From the 2015 Westford Symposium
Prime: prime Subtitle: New perspectives on ventilating multifamily buildings, insulating old brick buildings, and achieving thermal comfort Images: Building science experts, architects, engineers,...
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