tag: insulation


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Indoor-Air Quality and Ventilation for Homes in Hot-Humid Climates

Indoor-Air Quality and Ventilation for Homes in Hot-Humid Climates

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The weather in the Southern United States poses a unique challenge to the issues of ventilation and indoor-air quality. Here are my opinions and suggestions on how to address these issues if you are building or remodeling in the South.

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How to Do Everything: The Energy Nerds Greatest Hits

How to Do Everything: The Energy Nerd's Greatest Hits

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If you plan to design, build, or remodel an energy efficient house, Energy Nerd Martin Holladay's collection of how-to articles is a must-read

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High-Performance Homes Dos & Donts: Mark LaLiberte Seminar Notes

High-Performance Homes Dos & Don'ts: Mark LaLiberte Seminar Notes

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Mark LaLiberte is an amazing building-science teacher. Read my blogging notes from his seminar titled "Building High-Performance Homes Dos & Don'ts," which I attended in Austin, Texas. Remember that this is focused on Texas construction, but there is plenty to learn here for anyone in the U.S.

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Airtight Wall and Roof Sheathing

Airtight Wall and Roof Sheathing

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In the early 1970s, residential builders knew almost nothing about air tightness. Nowadays, there's plenty of data showing why it's so important to air-seal houses.

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Insulating an Advanced-Framed House - A Hybrid Approach

Insulating an Advanced-Framed House - A Hybrid Approach

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Insulation advertisements would lead you to believe there products are perfect for every situation. In fact a hybrid approach is more likely to yield the high performance home I'm after. See this video to see how I used three types of insulation on this new Advanced Framed House I'm building in Austin Texas. -Matt Risinger

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Advanced vs Traditional Framing

Advanced vs Traditional Framing

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Advanced Framing isn't all that difficult and the benefits can be tremendous. In this video I'll show you a traditionally framed house and compare that to an Advanced Framed house.

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3 Reasons to Choose Spray Foam Insulation for a Remodel

3 Reasons to Choose Spray Foam Insulation for a Remodel

Remodeling presents special challenges for the insulation choices. In this 1 minute video I'll show you the three reason's I almost always choose spray foam insulation for my remodel projects.

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Texas Deep-Energy Retrofit Remodel

Texas Deep-Energy Retrofit Remodel

When you hear about a deep energy retrofit project most people think of the snowy North Eastern US. I can tell you that the strategy for a Northern remodel with energy efficiency in mind is very different that our strategy for Hot/Humid Texas. In this video I'll show you 6 things we are doing to making a dramatic difference in this 1950's slab on grade house's energy bills.

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Using Housewrap for Insulation Baffles

Using Housewrap for Insulation Baffles

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A bargain-hunting builder searches for an alternative to commercially available insulation baffles for use in a cathedral ceiling. Can he fashion something from a $30 roll of housewrap?

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Are you asking for problems if you put a plastic vapor barrier in your walls?

Are you asking for problems if you put a plastic vapor barrier in your walls?

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Once routine, polyethylene vapor barriers are out of favor in all but the coldest climates. Writing on behalf of a friend in Chicago, Ed says he gets that. But he wonders about the risks of building a house without one when no special care is taken to make the house airtight.

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Smart Design Advice for Hot & Humid Climates (i.e. The South)

Smart Design Advice for Hot & Humid Climates (i.e. The South)

Architect Peter Pfeiffer talks about how to utilize smart design for a house in a hot climate zone. His green building advice is practical and following his advice will result in a house that's well designed for the rigors of a hot climate. If you want a comfortable, efficient, durable house and you live in the South then this video will give you tons to think about.

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Should vinyl siding be installed over furring strips?

Should vinyl siding be installed over furring strips?

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As builders and homeowners get more energy-savvy, they often choose an exterior wall assembly that includes rigid foam insulation over the sheathing, followed by furring strips and then the siding. But is this technique appropriate for vinyl siding?

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The Downside of Using Structural Steel

The Downside of Using Structural Steel

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A Seattle homeowner worries that steel I-beams used to support cantilevered floors in this modernist design will wick in cold temperatures from the outside

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A New Roof is an Opportunity to Add More Insulation

A New Roof is an Opportunity to Add More Insulation

A homeowner in Baltimore needs to replace the built-up asphalt roof on his house, and wonders how to insulate it effectively at the same time

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Whats the Best Way to Install Rainscreen Siding?

What's the Best Way to Install Rainscreen Siding?

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A builder planning a new house plans to include a rainscreen, an exterior detail that separates the sheathing from the finish cladding with furring strips. He'd like to install the furring horizontally instead of in the more typical vertical orientation. Is that a problem?

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Should Rafters be Encapsulated by Spray-Foam?

Should Rafters be Encapsulated by Spray-Foam?

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Even experts continue to be confused about the permissible thickness of foam insulation sprayed onto the underside of a roof deck

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Weighing the Merits of Spray-Foam Insulation

Weighing the Merits of Spray-Foam Insulation

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A homeowner looking to upgrade the insulation in his 90-year-old Cape is thinking about contracting for spray-in foam. But he's got conflicting advice from installers and wonders whether closed-cell or open-cell foam is the way to go.

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Can a Slab Foundation be Insulated Without Rigid Foam?

Can a Slab Foundation be Insulated Without Rigid Foam?

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Energy efficient buildings typically incorporate insulation beneath their concrete slabs, and the go-to choice is sheets of rigid foam. Are there alternatives?

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Does Super-Insulation Make Sense in New Orleans?

Does Super-Insulation Make Sense in New Orleans?

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A winning design for an energy-efficient house in the Deep South sparks a conversation on whether high R-values can make a house harder to cool.

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Can an Unvented Cathedral Ceiling be Insulated with Dense-Pack Rock Wool?

Can an Unvented Cathedral Ceiling be Insulated with Dense-Pack Rock Wool?

A homeowner building a house in Massachusetts asks for advice on insulating a cathedral ceiling

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showing 21 - 40 of 131 posts
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