greenspree.ca at The Sietch

We’ve started doing interior stucco and almost immediately ran into a few stumbling blocks. Number one was the fact that without horse manure in the stucco the mixer didn’t do as good a job mixing the product. Apparently the manure was acting to keep the clay in the mix from clumping together and when we tried to mis the stucco without it all we got was a mixer full of wet sand and hard clay lumps. We would then have to mix the resulting mess by hand, essentially making the mixer useless.

The second issue was the straw bales were starting to mold after we applied slip to the wall. This was much more worrisome than the clay not mixing in. This was the inside of our house where our new born was going to be living and breathing, with mold on the walls! We theorize that there must be mold spores on the straw and that when the wet slip was sprayed onto the walls it gave the spores the moisture needed to bloom. And because we were spraying inside, and much thicker than we did outside it was taking a long time to dry. Laine did some internet researching and we decided to try spraying the walls with pure white vinegar. This seemed to kill the blooms and inhibit the mold from coming back. We also got two dehumidifiers to run full time inside and keep the wood stove going round the clock to help dry things out.

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So what happened? Where have we been? Having a baby and working on finishing our house! on August 28th, 2008, 8:35am, Isobel Rayne Collier was born weighing 6lb14oz and was 21″ long. The birth took over 30 hours and I have never been more impressed with my wife’s strength and courage.

Izzy has been home with us now for a month and her and mom are doing very well, she is gaining weight and getting stronger everyday, I don’t doubt she’ll be walking soon! For those who know us and are l;ooking for photos, go see Laine’s facebook page, she does a photo of the day, usually involving Izzy in some way.

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One thing I run into time and time again as an energy efficiency adviser is lack of consideration of a house, or any other building, as a system. Buildings are a complex arrangement of systems not totally dissimilar to biological ones. And what one does to one system in a building can positively or negatively impact others.

Let me give you a few examples:

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One of the things I have realized when my wife and I found out we were going to have a baby this winter is how much I am still polluting the earth, even being as earth conscious as I think I am. I still buy lots of plastic and styrofoam products, disposable products, over packaged products, etc… We justify it to ourselves as saying there are no alternatives or at least no convenient alternatives and buy some of our food bulk but that’s about the extent of it.

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greenspree.ca » Blog Archive » Step Five - Stucco (Update)

We’ve made some progress on the stucco front!  Check out the details at greenspree.ca.

CBC News Compass did a story on our house last week.

http://www.cbc.ca/pei/media/video/pe-strawhouse.ram

We’re stars!

One of the things I hear a lot in my new position is that people want to build their new homes energy efficiently but think that they cannot afford to. Whenever I hear this I always say without hesitation “You can’t afford NOT to build you home energy efficiently!”. There are huge misconceptions out there about the costs, methods and effectiveness of building new homes efficiently. Most new home builders do not help the situation and will tell prospective customers that adding more insulation to their house, installing a geothermal or solar heating system or building to take advantage of passive solar gains will add an unreasonable amount of cost and time delay to the building process.

Fortunately there are free resources out there for anyone to dispel these myths. A free software package from Natural Resources Canada (NRCan) can be downloaded called HOT2000 and it allows anyone to do energy modeling on their home and actually forecast what various changes will do to the energy consumption of there homes! It has a fairly shallow learning curve, with a windows interface, drop down menus and check boxes, and comes with a good help file and example files to build on.

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I figure it’s time for a status update on the straw bale home. It’s been a slow 3 or 4 months since the snow started back in November, other than the interior walls, the plumbing and electrical rough-ins and a few small items we haven’t done much on the house.

A few weeks ago we had the main ventilation shaft and fan installed and will now be able to go ahead with insulating the attic! We ordered the wood for the second story ceiling and the danish oil finish for it. Two weeks ago we spent the long weekend cleaning my father-in-law’s shop and laying out and pre-finishing the wood for the ceiling. The danish oil was a labour intensive finish for 2400lnft of 1×5 t&g pine but it was fantastic to be able to use this non toxic finish without wearing masks. We also completed a last few niggling attic chores like vents for the bathroom fan, dryer and fresh air intakes.

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Reducing your shower times by a mere 4 minutes, say from 15 to 11 minutes, will save a family of four heating with 11.5 cent KW/H electricity and using 2.5GPM shower heads $230 per year!  These savings will only grow as the cost of energy continues to rise!

How much (useful) energy can you derive from rain falling from your roof? How can you best capture wind energy with many small wind turbines? Are there other options for using solar energy besides PV’s and solar hot water heaters? What are some other small options anyone could use that have cumulative benefits and are easy and cheap to install?

It’s a thought I had the other day when considering energy production for our house in the future. While on the road for my job I passed by an off-grid (even though the grid was 100 feet away) 3000+sf home with solar hot water, solar PV panels and a 100′ tall 3 or 5 KW wind turbine. It was massive and made the property seem very out of place next to smallish 1400-1800sf bungalows all around it. I decided that one large scale device to provide all or nearly all of my energy needs was not a route I wanted to take. I started doing mental calculations and plans to incorporate many small unobtrusive energy production devices into our house and land. We have a hectare so we have some room to play with and it is a former farm field so can plan around future trees, wind rows, etc…

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