Double-wall Cordwood on Manitoulin Island, Canada

Double Wall Cordwood on Manitoulin Island, Ontario, Canada. 
Linda Willson Manitoulin Island with logoHere are segments from the article describing the double wall cordwood home of Chuc & Linda Willson in Ontario, Canada… “Manitoulin’s covered in white cedar and it makes sense to use wind-blown cedars and logging waste to make stackwalls.”

double wall stackwall Linda willson

They built each stackwall in two parts – an inside surface and an outside one, both using 7 inch long logs, with two layers of 1 1/2 inch extruded polystyrene foam between them and some air space. Wire ties every 18 inches extend from one side of the stackwall to the other, binding the two log assemblies together through the foam, creating a total wall thickness of 17 inches. This wall thickness makes for some deep and cozy window sills as well.

David Migwans carvings on Linda Willsons cordwood home

David Migwans is an Ojibwa artist who carves wood, stone and antler, works with clay and paints. He spent weeks at the Willson house adding carved details into wooden lintels, door and window trim using hand tools and his uniquely Native artistic vision.

Linda Willson FB Manitoulin Island double wall cordwood

Chuc and Linda sell vegetables and preserves from their organic garden. They also grow much of their own food, and this means they have good use for a large food prep area, a design feature that’s part of the floor plan in a big way.   The link to the entire article

If you are interested in learning more about how to build your own chicken coop, garden shed, cottage or dream home, please consider visiting and checking out the pictures, the articles, the workshops and the online bookstore.

Cordwood Construction Best Practices Front_Cover_-_CC_Best_Practices small pixels 640 x 480Cordwood Construction Best Practices is the latest book on cordwood building (updated in 2015) and will give you the whole range of possibilities in a full color, visually attractive, concise narrative.

Here is a diagram of a double wall post and beam framed home by Cliff Shockey of Saskatchewan, Canada.

double stackwall post and beam

Cliff Shockey Cover 2007 small pixels

Here is Cliff’s award winning double stackwall book.  Cliff’s book is available at the online bookstore in ebook or print edition.


3 responses to “Double-wall Cordwood on Manitoulin Island, Canada

  1. Andreas Teich

    Really a nice house.
    What I am wondering about is, if the slightly protrudung logs are a good idea instead of using the plaster flush with the surface.
    if there is a recess it might be more damaged or affected by water.

    Also I find the use of polysterene not really consistent with the idea of buliding ecofriendly.This puts me off a bit.
    Polysterene is not a all a material I would use in such a building as there ar lots of better alternatives ( if tihe u-value is not the only important reason)
    sawdust with limepowder,, woodfiberboard, cellulose-fibers,mixture of clay with woodshavings etc.

    • Hello,
      I agree completely with your analysis. In my books and sites and writings, I give as many alternatives to mortar as have been successfully tried. Clay, hemp hurds, wood fiber, lime putty, papercrete are all examples of alternative mortars. We do the same for insulation and often use sawdust. This is merely an example of how one couple approached their cordwood building. Everyone has to choose their own level of sustainability. This worked for them. Would I use something different, absolutely.
      Thank you for your comments.
      Richard Flatau

      • Andreas Teich

        Hi Richard
        i was only astonished about the combination of a sustainable construction with natural materials and the co-use of a completely environmentally unfriendly product.
        Sure its not up to you what other people do.

        I myself try to advise people in applying natural materials instead of polysterene, pvc etc, even if those materials might have a better r-value or supposedly better technical specifications.
        (usually its not true anyway and if, it does have has other disadvantages)

        But this is also in Germany and Austria a point which is often discussed.

        Anyway its interesting to see what other possibilities there are in the building process.
        Andreas Teich

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