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straw bale building Archives - The Year of Mud

true cost natural building

Interview About the Reality of Natural Building

By Cob Building, Media, Timber Framing

true cost natural building

Oliver Goshey of Adundant Edge recently interviewed me for his podcast series. In our chat, we talked about the reality (or realities) of natural building, including the importance of building for your climate, the true cost of building a natural home, and some common misconceptions about natural materials. One piece of our conversation focuses on getting real about the expenses associated with natural building and the myth of the “$1000 house” (for lack of a better term). Although materials may be affordable, labor costs can be spendy for folks who aren’t able to do the work themselves.

We also talk some about the shou-sugi-ban wood preservation methods I’ve been experimenting with lately. Check out the full interview and tell me what you think. Questions and comments welcome.

Listen here: The reality of natural building and designing for your climate with Ziggy Liloia from “The Year of Mud”

Clay Plaster Benefits

The Unique & Beneficial Properties of Clay Plaster

By Clay Plaster, Straw Bale Building, Light Clay Straw, Cob Building
Clay Plaster Benefits

Clay plaster base coat application in process

Clay soil is one of the most ancient, rudimentary, yet effective building materials on the planet. Besides being naturally abundant across much of the earth, clay has unique properties that make it not only suitable but very desirable as a natural building material. Clay is used for the production of fired brick, sun-baked adobes, cob, and natural plaster finishes.

In this very basic introduction to clay soil, I will highlight some of the unique water-loving features and other useful attributes of clay when it’s used as a natural building material, particularly as a plaster finish.

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insulation thermal mass

The Differences Between Insulation and Thermal Mass

By Winter, Straw Bale Building, Resources, Cob Building
trimming straw bale wall

A highly insulated straw bale home under construction

If you’re new to natural building, two of the most important fundamental concepts to understand are thermal mass and insulation. Materials for constructing walls typically fall into one category or the other. Understanding the differences will be critical if your goal is to build an efficient, comfortable house appropriate for your local climate. Let’s look at thermal mass and insulation in the simplest terms possible.

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Our Straw Bale House in ‘Small Homes’

By Strawtron, Book Reviews, Timber Framing, Straw Bale Building
small home book - lloyd kahn

Lloyd Kahn’s latest, Small Homes: The Right Size

Lloyd Kahn of Shelter fame has a new book out, titled Small Homes: The Right Size, and I feel much gratitude that our straw bale & timber frame home is featured within its pages. Lloyd’s books have been a big source of inspiration for me these past 10 years. Flipping through Shelter, Home Work, and Builders of the Pacific Coast have been powerful influences and have helped me to feel connected to the worldwide movement of folks creating beautiful, unique, hand-built homes.

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How to Make and Use Clay Slip

By Light Clay Straw, Clay Plaster, Straw Bale Building
Clay slip on a light clay straw wall

Smearing clay slip on a light clay straw wall prior to plastering

Clay slip is an essential material for coating straw bale and light clay straw walls prior to plastering. Basically, it serves as an adhesion coat, essential for getting the first coat of plaster to stick to the wall. There’s not much science to making clay slip, and it’s really fun to smear. Here are a few really simple tips for making and using clay slip for natural walls.

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Green Roof on Straw Bale House: Alive and Kickin’

By Living Sod Roof, Straw Bale Building, Strawtron
green roof straw bale home

The Strawtron roof is lookin’ good and green these days

When we built our two story timber frame & straw bale house in 2012-13, we incorporated a green roof into the design. It was a hell of a task to pull it off, especially since we loaded all the soil onto the surface of the roof one bucket at a time. Sadly, we never stuck around long enough before moving to Kentucky to see the roof flourish with plant life. Thankfully, it’s doing pretty well these days.

Recently, I got a few photos from friends and I’m happy to report that the green roof is indeed just that — full of plant life and kickin’.

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Off The Grid Straw Bale Home: Spring Update!

By Clay Plaster, Straw Bale Building, Doors & Windows
Off the Grid Straw Bale House

This little off grid home is getting the finish work treatment this year

It’s been a while since I’ve posted any updates about the off the grid straw bale home we’ve been helping our friends build here outside Berea, Kentucky. Here’s a look at how the octagonal straw bale house is shaping up these days. It now has most of the base coat clay plaster complete, and more recently the window trim has been installed.

This is the year for finish work with the goal of moving in for the winter!

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The Off-Grid Straw Bale Cabin: Workshop Photo Gallery

By Natural Building Workshops, Photos, Straw Bale Building
Straw Bale Workshop Site

Working on the site of our 2015 Straw Bale Workshop

I’m writing from the past for the future — I should be in Vermont as you read this. I scheduled this little post to self-publish so you’d have some fun photos to look at while I’m PDCing it up during this latter part of August.

Here’s a photo gallery and slideshow from our recent July Straw Bale Workshop in which we built the straw bale walls of a small, off-grid octagonal cabin in the Kentucky foothills. It’s always amazing to me to see the walls go up and instantly take the house to a whole new level of completion. I love the gradual defining of the space from digging the foundation trench, to building the frame and roof, and then the stacking of the walls themselves. Even once the straw bales are up, the house is still ultimately a ways away from actual “completion” (whatever that means), but my goodness it feels good.

Read ahead to see the evolution of the small straw bale home in the woods during our course!
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Straw Bale & Plaster Details Around a Foundation

By Foundation, Clay Plaster, Straw Bale Building, Earthbag Building
Plaster Stop at Bottom of Straw Bale Wall

Think about the transition between your straw bales and foundation early in the design process

In one of my recent posts, I talked about details at the top of the straw bale wall where it meets the roof. Now I’d like to talk about some considerations where the wall meets the foundation. This is another critical point in the straw bale wall design, and planning from the beginning of the process is essential for a clean and durable finish surface at the bottom of the wall. Here are some tips to think about regarding the plaster and details between the bales and foundation.

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