> ## Documentation Index
> Fetch the complete documentation index at: https://docs.acelabusa.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Building Science CEU

> Continuing education courses on building science fundamentals like water, air, and thermal control.

Practical, approachable & immediately applicable building science for architects and builders. Browse 30+ courses and learn in less than 15 minutes. To earn AIA CEU credits, complete the short quiz at the end of each course.

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  <Card title="Air Barriers vs Vapor Barriers" img="https://res.cloudinary.com/acelab/image/upload/v1786555965/lms-resources/coverpicture-hn7ttursr5-air-barriers-vs-vapor-barriers-42bbac9e47.png" href="/resources/building-science-ceu/air-barriers-vs-vapor-barriers">
    Learn more about air control in our buildings while examining the differences between air barriers and vapor barriers.
  </Card>

  <Card title="An Outdated Detail to Avoid" img="https://res.cloudinary.com/acelab/image/upload/v1786555967/lms-resources/coverpicture-ge2blljq9z-an-outdated-detail-to-avoid-5d653e684f.png" href="/resources/building-science-ceu/an-outdated-detail-to-avoid">
    Learn about a very common but outdated approach to how the base of walls are sealed to the slabs, and review some higher performing modern alternatives.
  </Card>

  <Card title="Confusion about Rainscreens" img="https://res.cloudinary.com/acelab/image/upload/v1786555968/lms-resources/coverpicture-dsksv7zukc-confusion-about-rainscreens-27540134ce.png" href="/resources/building-science-ceu/confusion-about-rainscreens">
    Learn more about what that space behind our cladding system is really doing and how large it ought to be.
  </Card>

  <Card title="Do Buildings Need to Breathe?" img="https://res.cloudinary.com/acelab/image/upload/v1786555970/lms-resources/coverpicture-ioxsivjnk6-do-buildings-need-to-breathe-5b6d93dae9.png" href="/resources/building-science-ceu/do-buildings-need-to-breathe">
    Learn more about the nuances of the expression “buildings need to breathe” and explore the differences between enclosure design and mechanical system design.
  </Card>

  <Card title="Do Overdriven Fasteners Cause Buildings to Leak" img="https://res.cloudinary.com/acelab/image/upload/v1786555972/lms-resources/coverpicture-rxtk7dquz7-do-overdriven-fasteners-cause-buildings-to-lea-ed8e1dd119.png" href="/resources/building-science-ceu/do-overdriven-fasteners-cause-buildings-to-leak">
    Learn more about overdriven fasteners and other unsealed cladding attachment fasteners and their impact on water management.
  </Card>

  <Card title="Five Things Every Custom Home Ought to Have" img="https://res.cloudinary.com/acelab/image/upload/v1786555974/lms-resources/coverpicture-31l4mln0op-five-things-every-custom-home-ought-to-have-1be926ecac.png" href="/resources/building-science-ceu/five-things-every-custom-home-ought-to-have">
    Learn about the five elements of the enclosure and mechanical system that merit serious consideration for every custom home, and how they contribute to energy efficiency, occupant comfort, and durability.
  </Card>

  <Card title="Helpful Things to Know about Thermal Comfort" img="https://res.cloudinary.com/acelab/image/upload/v1786555977/lms-resources/coverpicture-xzdapk2kq7-helpful-things-to-know-about-thermal-comfort-3d4b219b77.png" href="/resources/building-science-ceu/helpful-things-to-know-about-thermal-comfort">
    Learn more about the concept of mean radiant temperature and how it applies to enclosure design and thermal comfort.
  </Card>

  <Card title="How to Detail Drainage Mat with Stucco" img="https://res.cloudinary.com/acelab/image/upload/v1786555978/lms-resources/coverpicture-i8n44jl4ug-how-to-detail-drainage-mat-with-stucco-db2d753117.png" href="/resources/building-science-ceu/how-to-detail-drainage-mat-with-stucco">
    Learn why the building code has long required two layers of water resistive barrier (WRB) behind stucco claddings, and how to improve drainage and drying using a drainage mat.
  </Card>

  <Card title="How Windows Manage Water" img="https://res.cloudinary.com/acelab/image/upload/v1786555980/lms-resources/coverpicture-pqb5vjkiwa-how-windows-manage-water-54b698c07f.png" href="/resources/building-science-ceu/how-windows-manage-water">
    Learn more about the general approach to drained joints in the context of a typical residential window installed in a framed wall
  </Card>

  <Card title="Hydrostatic Pressure" img="https://res.cloudinary.com/acelab/image/upload/v1786555982/lms-resources/coverpicture-vszk5rz45y-hydrostatic-pressure-35004cc91e.png" href="/resources/building-science-ceu/hydrostatic-pressure">
    Learn about the physics of hydrostatic pressure and how it applies to common architectural details.
  </Card>

  <Card title="Is It Time to Retire the Metal Sill Pan?" img="https://res.cloudinary.com/acelab/image/upload/v1786555983/lms-resources/coverpicture-iekccokxra-is-it-time-to-retire-the-metal-sill-pan-b16524030a.png" href="/resources/building-science-ceu/is-it-time-to-retire-the-metal-sill-pan">
    Learn more about what both approaches to detailing windows at the sill (metal and membrane), and why membrane sill pans are typically the more reliable choice.
  </Card>

  <Card title="Mechanical Conditioning vs. Mechanical Ventilation" img="https://res.cloudinary.com/acelab/image/upload/v1786555985/lms-resources/coverpicture-cahdufx6y0-mechanical-conditioning-vs-mechanical-ventilat-a9b199593b.png" href="/resources/building-science-ceu/mechanical-conditioning-vs-mechanical-ventilation">
    Learn more about the most common approaches to mechanical conditioning and mechanical ventilation in residential design.
  </Card>

  <Card title="Obvious and Not-So-Obvious Reasons to Love Air Barriers" img="https://res.cloudinary.com/acelab/image/upload/v1786555986/lms-resources/coverpicture-hpson3hgvb-obvious-and-not-so-obvious-reasons-to-love-air-7ef499e0d0.png" href="/resources/building-science-ceu/obvious-and-not-so-obvious-reasons-to-love-air-barriers">
    Learn more about the advantages of air tightness, how it is measured, and the most critical design details to achieve the best results.
  </Card>

  <Card title="The Controversy about Residential Ventilation Rates" img="https://res.cloudinary.com/acelab/image/upload/v1786555988/lms-resources/coverpicture-di1oira7nn-the-controversy-about-residential-ventilation--9fd0c824ef.png" href="/resources/building-science-ceu/the-controversy-about-residential-ventilation-rates">
    Learn more about the most common current approach to ventilation (exhaust-only ventilation) and the main differences between the recommended code rates and the ASHRAE rates.
  </Card>

  <Card title="The Controversy Over Stucco Explained" img="https://res.cloudinary.com/acelab/image/upload/v1786555989/lms-resources/coverpicture-gju2vbgarg-the-controversy-over-stucco-explained-b6792ae092.png" href="/resources/building-science-ceu/the-controversy-over-stucco-explained">
    Learn more about the recent improvements to code provisions related to drainage and drying and why the codes still fall short.
  </Card>

  <Card title="The Four Elements of a Leak" img="https://res.cloudinary.com/acelab/image/upload/v1786555991/lms-resources/coverpicture-falwxaiofi-the-four-elements-of-a-leak-d9c261fb97.png" href="/resources/building-science-ceu/the-four-elements-of-a-leak">
    Learn more about the four components of a building leak to understand important missed opportunities for controlling water.
  </Card>

  <Card title="The Myth About Spray Foam & Leaking Roofs" img="https://res.cloudinary.com/acelab/image/upload/v1786555993/lms-resources/coverpicture-esj6u2tnh7-the-myth-about-spray-foam-leaking-roofs-913e71ffa9.png" href="/resources/building-science-ceu/the-myth-about-spray-foam-and-leaking-roofs">
    Learn more about the general approaches to managing moisture in attics, why a designer might want to consider spray foam insulation, and alternative approaches to insulating roofs.
  </Card>

  <Card title="The Perfect Wall" img="https://res.cloudinary.com/acelab/image/upload/v1786555994/lms-resources/coverpicture-gjz92nrj96-the-perfect-wall-7e62e2b9f0.png" href="/resources/building-science-ceu/the-perfect-wall">
    Learn about the elements of the Perfect Wall and why it works in every climate.
  </Card>

  <Card title="The Three Categories of WRBs" img="https://res.cloudinary.com/acelab/image/upload/v1786555996/lms-resources/coverpicture-25xij9zo4m-the-three-categories-of-wrbs-8f8be69ceb.png" href="/resources/building-science-ceu/the-three-categories-of-wrbs">
    Let's explore the three categories of water-resistive barriers in drained walls and learn more about the constraints associated with each.
  </Card>

  <Card title="The Three Fundamental Ways Walls Manage Water" img="https://res.cloudinary.com/acelab/image/upload/v1786555998/lms-resources/coverpicture-o8sbukkyua-the-three-fundamental-ways-walls-manage-water-70faf85edc.png" href="/resources/building-science-ceu/the-three-fundamental-ways-walls-manage-water">
    Let's explore the three approaches to water management in walls and see how water management is a system rather than a feature of a component or building material.
  </Card>

  <Card title="The Advantages of Treated Engineered Wood Siding" img="https://res.cloudinary.com/acelab/image/upload/v1786556000/lms-resources/coverpicture-6gjgkirjw7-the-advantages-of-treated-engineered-wood-sidi-7c6ad07699.jpg" href="/resources/building-science-ceu/the-advantages-of-treated-engineered-wood-siding">
    (1 LU) Learn about TEWS' durability, sustainability, and design flexibility.
  </Card>

  <Card title="The Three Most Important Design Considerations for Energy Efficiency" img="https://res.cloudinary.com/acelab/image/upload/v1786556001/lms-resources/coverpicture-dgha3-r7w-the-three-most-important-design-considerations--ce29fdfaec.png" href="/resources/building-science-ceu/the-three-most-important-design-considerations-for-energy-efficiency">
    Learn more about what the three most important enclosure-related factors influencing how much energy a building will consume.
  </Card>

  <Card title="What Blower Door Tests Really Tell Us About Performance" img="https://res.cloudinary.com/acelab/image/upload/v1786556003/lms-resources/coverpicture-hnfrvrurdn-what-blower-door-tests-really-tell-us-about-pe-2412cba80d.png" href="/resources/building-science-ceu/what-blower-door-tests-really-tell-us-about-performance">
    Learn more about the relationship between blower door test results and in-service performance, and how building's climate might affect the interpretation of test results.
  </Card>

  <Card title="Why Exterior Insulation is the MVP of Insulations" img="https://res.cloudinary.com/acelab/image/upload/v1786556005/lms-resources/coverpicture-yqdq1ylk1-why-exterior-insulation-is-the-mvp-of-insulatio-7df716c911.png" href="/resources/building-science-ceu/why-exterior-insulation-is-the-mvp-of-insulations">
    Learn more about the physics behind the additional benefits to exterior insulation.
  </Card>

  <Card title="Why Glazing Matters So Much More Than Insulation" img="https://res.cloudinary.com/acelab/image/upload/v1786556006/lms-resources/coverpicture-wgxrmertul-why-glazing-matters-so-much-more-than-insulati-c9be878644.png" href="/resources/building-science-ceu/why-glazing-matters-so-much-more-than-insulation">
    Let's explore some hypothetical scenarios to put glazing and insulation in context so that we can better understand how each relate to overall energy performance.
  </Card>

  <Card title="Why Unvented Roofs are Best for Custom Homes" img="https://res.cloudinary.com/acelab/image/upload/v1786556007/lms-resources/coverpicture-gmqpk6ub0t-why-unvented-roofs-are-best-for-custom-homes-1-d1c4a967d7.png" href="/resources/building-science-ceu/why-unvented-roofs-are-best-for-custom-homes">
    Learn the most common design approach to venting and the conditions under which venting roofs might not be appropriate.
  </Card>

  <Card title="Why We Vent Roofs" img="https://res.cloudinary.com/acelab/image/upload/v1786556009/lms-resources/coverpicture-mb4jlpu4dn-why-we-vent-roofs-387e4bcfa2.png" href="/resources/building-science-ceu/why-we-vent-roofs">
    Learn more about the physics behind venting roofs, which is a common approach to moisture management in every climate.
  </Card>

  <Card title="Why You Should Think Twice About Attached Garages" img="https://res.cloudinary.com/acelab/image/upload/v1786556011/lms-resources/coverpicture-kwt55xlbt7-why-you-should-think-twice-about-attached-gara-436c3e42d1.png" href="/resources/building-science-ceu/why-you-should-think-twice-about-attached-garages">
    Learn more about pollutants and indoor air quality, and the design strategies that can minimize risk.
  </Card>
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