Posts regarding ‘Foundation Systems’

Cordwood Construction: Best Practices 2012

March 5th, 2012 by Strongwood

The book Cordwood Construction: Best Practices is hot off the presses. It is written by long time cordwood builder Richard Flatau and is reported to be the most up-to-date tome on cordwood building.
Here are a few of the details.

Cordwood Construction: Best Practices

A log home building method using renewable resources
and time honored techniques (2012)

Authored by Richard Flatau

List Price: $25.00
8.5″ x 11″ (21.59 x 27.94 cm)
Full Color on White paper
196 pages
Cordwood Construction Resources
ISBN-13: 978-0615592701 (Custom Universal)
ISBN-10: 0615592708
BISAC: House & Home / Do-It-Yourself / General

259 color photos, diagrams and formulas will take the novice or experienced builder from house plans to cordwood home occupancy. Sections include: mortar mixes, R-values, code compliance, types of wood, drying wood, shrinkage tables, foundations, how we became mortgage-free, post & beam framing, formulas for estimating materials, homeowners insurance, Cordwood Conferences 2005 & 2011 summary, Best Practices with cordwood construction, lime putty mortar, cob, paper enhanced mortars, Permachinking walls, building codes, color photo album, making stained glass bottle ends, how-to “mortar-up” a cordwood wall, tuck pointing, FAQ’s, maintenance, weight of a cordwood wall, cost analysis, Cordwood Education Center, White Earth Reservation cordwood home, a condensed version of Cordwood Cabin is included (which is architecturally drawn and state code approved and now serves as a classroom for the local public school), 196 pages, and much, much more…

Here are two reviews of the book, one by Richard Freudenberger, editor of Backhome Magazine and the other by Rob Roy, Director of Earthwood Building School.

Excellent Up-to-Date Cordwood Reference May 8, 2012
By R. Freudenberger

This book by veteran cordwood builder and instructor Richard Flatau turns out to be one of the most comprehensive references available on cordwood construction. Flatau has put a lot of effort into the “Best Practices” studies, and as a result we all have the benefit of other builders’ experiences, much gleaned from his involement in organizing some of the large Cordwood Conferences held in the U.S. and Canada. All the basics are here as well for novice builders–foundations, framing, wood choices, mortar mixes, special effects, utility interfaces, and increasingly important code compliance. The book is full of illustrations, tables, a few floor plans, and lots and lots of good color photos. The bottom line is that cordwood masonry is cost-effective, energy-efficient, fire-resistant, and very sustainable…and it’s a perfect do-it-yourself endeavor for the owner-builder.
Book Review by Richard Freudenberger Editor of Backhome Magazine

Cordwood Construction: Best Practices … Richard Flatau CoCoCo/05 organizer (and long-time cordwood writer and builder) Richard Flatau has just published this new compendium, his best yet. True to its title, the author details “best practices” methods about cordwood masonry and its relationship to foundations, electrical considerations, energy codes and so much more. By themselves, two recent case studies (the Cordwood Education Center in Wisconsin and the Whole Earth Reservation Cordwood Home in Minnesota) are worth the price of this beautifully illustrated and meticulously documented work. 196 large 8.5″ by 11″ pages, including 259 color pictures and diagrams.
Book Review by Rob Roy Director of Earthwood Building School

Richard Flatau, Flato@aol.com, Cordwood Construction, 715-212-2870 Cordwood online bookstore,
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Framing and Drainage

October 30th, 2009 by snugganut

Today the framing of the second floor began, and measures were taken to provide proper drainage from the building.

Click here to view the entire Nauhaus Prototype Construction Chronology.

Tim uses a custom-made tool to measure for the Hemcrete.

Tim uses a custom tool to measure for Hemcrete.

David Madera stopped by to discuss Hemcrete.

David Madera stopped by to discuss Hemcrete.

A strip drain is placed at the bottom of each wall.

A strip drain is placed at the bottom of each wall.

Gravel is shoveled into the Eastern trench.

Gravel is shoveled into the Eastern trench.

East Wall

Wast Wall Framing

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Concrete Scoring and Hemcrete Testing

October 10th, 2009 by snugganut

Today, the concrete slab was scored on a three foot grid, to prevent cracking.  David Madera and Greg Flavell of Hemp Technologies also helped us to perform a full-size Hemcrete test.

Click here to view the entire Nauhaus Prototype Construction Chronology.

Scored Concrete Slab

Scored Concrete Slab

Scored Concrete Slab

Scored Concrete Slab

Hemcrete Mix

Hemcrete Mix

12" Hemcrete Form

12" Hemcrete Form

Completed 12" Hemcrete Wall

Completed Hemcrete Wall

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Concrete Slab and Storm Drain

October 8th, 2009 by snugganut

Today, JBS Construction came back to pour the concrete slab over the vapor barrier.

Click here to view the entire Nauhaus Prototype Construction Chronology.

JBS places a matrix of rebar over the hardened foam.

JBS places a matrix of rebar over the hardened foam.

Concrete Pour in Mechanical Room

Concrete Pour in Mechanical Room

Jeff and Jackson Buscher

Jeff and Jackson Buscher

JBS Smoothing the Slab

JBS Smoothing the Slab

Slab at Corner

Slab at Corner

New Storm Drain

New Storm Drain

New Box for Replaced Storm Drain

New Box for Replaced Storm Drain

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Foam Insulation Sprayed

October 7th, 2009 by snugganut

Today, Home Energy Partners came out to spray the closed-cell insulation for the slab and exterior walls.

Click here to view the entire Nauhaus Prototype Construction Chronology.

Advantek sheathing and brick mold are installed first to stop the foam and eventually to support the Hemcrete.

Advantek sheathing and brick mold are installed first to stop the foam and eventually to support the Hemcrete.

Brick Mold Installation

Brick Mold Installation

Home Energy Partners Spraying North Wall

Home Energy Partners Spraying North Wall

Home Energy Partners Spraying North Wall

Home Energy Partners Spraying North Wall

Home Energy Partners Spraying Underslab Foam Insulation

Home Energy Partners Spraying Underslab Foam Insulation

Home Energy Partners Spraying Underslab Foam Insulation

Home Energy Partners Spraying Underslab Foam Insulation

Spray Foam Insulation around Ground Loop Stub-out

Spray Foam Insulation around Ground Loop Stub-out

Spray Foam Insulation on CMU

Spray Foam Insulation on CMU

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Gravel and Vapor Barrier

October 2nd, 2009 by snugganut

Today, another 20 mil. vapor barrier was spread over gravel, in preparation for the insulation and concrete slab.

Click here to view the entire Nauhaus Prototype Construction Chronology.

Drain and Insulation with Gravel

Drain and Insulation with Gravel

Finished Gravel

Finished Gravel

Vapor Barrier at CMU

Vapor Barrier at CMU

All penetrations through the vapor barrier are carefully sealed.

All penetrations through the vapor barrier are carefully sealed.

Finished Vapor Barrier

Finished Vapor Barrier



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AAC and CMU

September 15th, 2009 by snugganut

Guthrie Masonry came today to install the AAC and Concrete blocks.

Click here to view the entire Nauhaus Prototype Construction Chronology.

The AAC Blocks are Installed on top of the Concrete Footers.

The 12" AAC blocks are installed on top of the concrete footers.

The 12" concrete blocks create a retaining wall on the East side.

The 12" concrete blocks create a retaining wall on the East side.

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Rebar and Concrete Footers

September 9th, 2009 by snugganut

Today Carolina Ready Mix poured the concrete footers.

Click here to view the entire Nauhaus Prototype Construction Chronology.

Carolina Ready Mix Concrete Truck

Carolina Ready Mix Concrete Truck

Rebar in Footer Trench

Rebar in Footer Trench

Carolina Ready Mix Pouring Concrete Footers

Carolina Ready Mix Pouring Concrete Footers

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Vapor Barrier Under Footers

September 4th, 2009 by snugganut

Today a 20 mil. vapor barrier was laid in the trenches.  The concrete footers will be poured on top.   Radon pipes were installed for future venting if necessary, and greywater pipes were stubbed-out in hopes that one day a legal greywater system will be possible.

Click here to view the entire Nauhaus Prototype Construction Chronology.

View of Completed Vapor Barrier from Southwest

View of Completed Vapor Barrier from Southwest

tim vapor barrier

Tim Callahan

Stubbed-out Radon and Greywater Pipes

Stubbed-out Radon and Greywater Pipes

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Foundation Capillary Breaks

March 5th, 2009 by Seldom

Building Science Corporation:

The theoretical limit of capillary rise in concrete is about 10 kilometers—and folks that is not a typo—it really is about 10 kilometers or about 6 miles. Concrete sucks big time. In wood it is about 400 feet—the height limit trees can grow to is set by the size of the capillary pores in wood. Ever wonder how leaves get water? When you go into a forest and listen very carefully you don’t hear any pumps pumping water upwards a couple of hundred feet do you? Capillary suction is powerful stuff. When you add salt to the water the power becomes explosive—literally as we shall see…

The article goes into detail about using lime mortar as a sacrificial layer to protect brick, and detailing foundations to direct capillary water to the outside.

:: BSC | Capillarity—Small Sacrifices

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