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The Greenhouse

greenhouse

If the images in this entry have the feel of time-lapse photography it’s because the story of the greenhouse began late last fall and the project was not completed until late April. Such is the way some things go.

We conceived the greenhouse as a dual-use structure, giving us a warm place in which we might extend the growing season but also serving as a space for working on other projects out of the weather. The design was adapted from a shed that is used on the Maine coast for boat storage (called a bow-roof shed).


greenhouse

We opted to build on a 16’ x 12’ footprint. I set the stakes that secure the greenhouse to the ground during the first week of December (before the earth froze solid and put the project off even more!).

greenhouse

Our original plan had been to complete the greenhouse by the end of December but the snows just kept piling up and the winter temperatures rarely warmed beyond the teens. (The photo above was shot a week after Thanksgiving.) Finally, by late-February (below), we had some warm (relative) days and set out to cut and bend the arches.

greenhouse

The frame is made primarily out of 1x3 strapping screwed to four-inch lengths of 2x3 blocking. We used the sill of the greenhouse as a level plane on which to bend the bows – ten of them in all. The bending can be a bit frustrating due to the amount of breakage involved. With each bow there was a long anxious moment as I bent the wood around the form and secured it in place. In all, we experienced a breakage rate of about 25 percent. (Five of the 16-foot lengths of 1x3 snapped while being forced into the curved shape.) We gave up on some days when it felt like the wood was snapping due to the cold, but more likely it was just the pattern of grain and knots in the strapping that led to the failure.

greenhouse

By the end of February we had the ten bows bent and erected the first of the gothic arches. The plywood gussets at the peak hold the bows securely to the 2x4 ridge beam. Once the ten ribs of the frame were in place the project was put on hold again, this time for maple sugarin’ season.

greenhouse

The sap flow finally gave way to budding trees and we boiled our last batch of syrup on April 14th. Time to frame in the ends of the greenhouse, creating openings for the door and vent windows near the peak.

greenhouse

As is the tradition with timber framers over the centuries, we “topped off” the frame with the bough of a tree (called a “whetting bush”). The custom is to use an evergreen species and place it at the highest point in the frame.

greenhouse

Sourcing the greenhouse film to “skin” our greenhouse proved to be a bit of a challenge. For whatever reason, suppliers seemed eager to charge outrageous prices for shipping something that is really not much more than a large sheet of polyethylene plastic. Granted, it has UV protection and anti-condensate layers built in but the 720 square feet of the film that we needed doesn’t weigh more than 20 lbs. We eventually found a source within 50 miles (New London, NH) and drove to pick it up. When I had the film in hand the $100 - $180 shipping fee that other online sources had quoted seemed even more ridiculous! Now all we needed was a wind-free day on which we could pull the film over the frame and secure it in place.

greenhouse

Soon after completion the greenhouse/shed became an indispensable “how did we ever live without it” addition to our Tunbridge land. One final step remains – the addition of automatic vent openers that respond to temperature and open or close the vents at a prescribed level of warmth.

Comments

Oh, it's just beautiful! I'm so jealous.

Just about to send a note to the fellow I think I'm going to have build my custom trailer. I'm still going back and forth about the length I want. Yikes! So committing!

Hope you are well. Let's talk again soon. Meantime, happy mother's day to you & yours!

mandy

Mandy,

How exciting about your trailer! (But I understand the anxiety as well . . .)

Don't know if you've seen it or not, but I wrote a short piece in the last issue of Small Living Journal (smalllivingjournal.com) about the trailer I had made for Gypsy.

Yes, let's talk again soon. Where has the time gone? Springtime is so very hectic and I've been busy with the new season but would love to catch up with you.

All the best,
Kevin

That's beautiful!

I was expecting you to use polycarbonate as everything you do speaks to quality and longevity rather than cheap.

Kevin I absolutely love your Gypsy Rose and your green house now, too! I enjoy checking in on your blog from time to time as well, dreaming of the "one day" when I get to fulfill my tiny dream, too!

Beautiful, and so much more in keeping with your surroundings than bent plastic pipework. It's given me inspiration for something similar in the future.

Cheers,

J.

Hello - just took Peter Kings course on building a small house. Wanting to build one on wheels like you have. Any chance I could contact you to ask questions? Can not find your email address here (yet).

The greenhouse came out pretty good. I like the curve in the side/roof forms.

~Dan

Kevin,

Your greenhouse came out looking fantastic!

I read your whole blog a couple of months ago as we started to build our own tiny house on wheels and found it informative and inspiring.

I'll keep checking back occasionally to see what you two are up to.

Arlene

> Hello - just took Peter Kings course
> on building a small house. Wanting
> to build one on wheels like you have.
> Any chance I could contact you to ask
> questions? Can not find your email
> address here (yet).

You can reach me at kevin at paddleways dot com.

Kevin

What a beautiful greenhouse. Just thought I would say that we got our poly from this fellow years ago and the price was great. I believe he has a base in the US as well. Just a FYI for future reference. http://www.northerngreenhouse.com/ideas/how_to/rebar.htm

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