Category: Building Plans

How to build with HempCrete – Does Hempcrete insulate?

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Hemp Builders


Building with Hempcrete.  Can I insulate my home with hempcrete?  (from How Stuff Works)

It cost Martin $133 per square foot to build the first hemp house in the United States, well above the 2009 U.S. average of $83.89 [source: CNN]. And in the South, where he lives, he paid nearly twice the average price of $76.77 per square foot [source: National Home Builders Association]. So Martin is in the minority. But there might be more hemp homes, and the prices would likely go down, if the U.S. government legalized the cultivation of industrial hemp. But the federal government classifies all Cannabis sativa as marijuana, even though industrial hemp has much less THC [source Vantreese].

It has been a good year for hemp in general.  However THC and CBD rich varieties are still under scrutiny of the federal government until the Controlled Substances Act is nullified.
I think it was a good move by Trump to sign the Farm Bill.  However it is a bloody crime to not simply decriminalize cannabis entirely.
Here is some information on building with hemp, and WHY we need more hemp business in the USA.   We need to drive prices down, for a viable hemp market!

Here is a good youtube presentation on ‘Building with Hempcrete’

It wouldn’t be right if I didn’t mention that activists like Stve Sarich, who has received prestigious awards for activism, and deserved it.
He has sad that these continued or even perhaps NEW criminalities on CBD’s is going in the wrong direction.  I sympathize with Steve Sarich’s concern about this.   I believe we should push a constitutional challenge of the controlled substances act, which seems to require a less difficult process to make law, than perhaps the prohibition of alcohol via the 18th Amendment.
To me it seems wrong that alcohol prohibition would need a constitutional amendment passed by congressional vote process, and the prohibition of cannabis (a less problematic substance) does not need a constitutional amendment?

Im looking forward to the new hemp market.  I wrote about my happiness here:

2018 Year in Review

Building of the Hemp Dome Framework

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Geodesic Dome Home Hemp Dome Plans

My wife and I made a 16 ft dome in our garage with a few tools and a bunch of emt steel conduit.

Our goal>   To make a temporary shelter while we build a bigger more family friendly dome.  To be a workshop, kitchen, bedroom, living area, and storage.

The inspiration came from when I was 13 – 16 and I would read Kung Fu and Solider of Fortune magazines, and in the back of the mags there were offers for geodesic dome kits.   I always knew I could build one myself and have intended to and planned it out for about 20 years.

After reading some Buckmister (Bucky) Fuller materials and some plans online, I came up with my own plans.
I used  extensively, as well as other random blogs.
(more on Bucky Fuller here: )

This is a link to our plans.

I have a booklet that I made, I will scan in my rough sketches and upload them here in the future.

I found it to be very time consuming using basic hand tools, and semi-time consuming even with proper shop tools.

You can see the process that I used in this video with the shop tools that I bought mostly at Harbor Freight.  I don’t have many examples of using just basic hand tools, except for a few still pictures that I will include in this post (check back later)

The basic tools you will need is.

hacksaw with a metal cutting blade
drill with a 9/16th metal drill bit
Measuring tape

To save time and get more precise measurements and cuts you may want

12 ton (or better) shop press
drill press
reciprocating saw
A series of clamps, preferably pipe clamps and vise grips.

You can see the completed project at this link here:

Im working on the next phase up, to the full scale model.  I am working with architectural software and I will eventually present my plans to an architect to get my plans revised and approved.
With the pace I am working right now, with so many distractions.  I expect the work will be completed no sooner than 2014.

Its not that it is a huge amount of work, I just continue to find myself busy and distracted from these projects.

But I will document my progress during that build too.  I will also include my plans when I am finished with them.