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Barn Greenhouse #10: Between A Rock And A Hard Place

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Blog entry by nitepagan posted 09-06-2013 08:12 AM 9797 reads 1 time favorited 10 comments Add to Favorites Watch
« Part 9: The Hard Part Is Mostly Done!!! Part 10 of Barn Greenhouse series Part 11: It's Finally Done »

Well the structure is pretty much completed, now to cover it. Because of my money situation, I was going to use plastic. All the plastic I found was between translucent and opaque, leaning toward opaque. I did not build this greenhouse to be opaque. I did put up one end on the greenhouse and here’s how it looked.

Am I to build a mancave or what? I spend the next two weeks trying to find an acceptable alternative. I had seen vinyl, but none of the greenhouse places mentioned vinyl. Well, I finally went back and looked at a roll of the vinyl and it said, one of it’s applications was for greenhouses, so that was good enough for me. If you look at the above picture on the right side nearest you, where the tape is, you will see that the vinyl is up, but you can hardly tell it’s there because it is so clear. Using double sided tape also became a curse, The vinyl kept sticking in the wrong places, so I ended up using the staple gun and nailing lathes over the vinyl edges. The lathes are homemade from a former projct that never materialized. I was going to make a yurt and had cut 2×4’s into 1/4 inch lathes, so I finally had a use for them.

The roof was next, I felt the main part of the roof really needed the hard panels, so that was the plan. I created staging so I could reach the roof to screw the panels down. I was able to secure the roof without the need of actually climbing onto the roof. The staging became quite a challenge as I had to constantly deal with my fear of heights, but it got a bit easier each time I climbed upon the staging. I had looked at buying a ladder that could also be used for staging, but at $170, I thought I could avoid that cost. In all cases, I made sure the staging was strong and steady before I climbed up onto the staging. I did not want to be, Penny Wise and Pound Foolish!!!

The roof has been completed, but there is still more to do. The end walls need to be completed and doors need to be constructed.

I have also decided to build another one of these buildings to be used as storage with the possibility of using it as additional greenhouse space. So most likely will put the rigid panels on top again, not sure what the rest of it will look like, maybe smart siding would be the easiest and cheapest. Smart siding is hard exterior T-111 plywood that has been painted. I would place it horizontal rather than vertical and the top part of the roof being clear panels would allow for light to come through. I will also change the way the roof ends are done, so there is a wide doorway and better support for the roof ridge timber.

Now to update on the costs.

List of Materials
2 – 48 inch x 25 feet x 8 mil Clear Vinyl at $31.99 Each = $63.98
1 – Aluminum Shingle Nails, 400 nail pak at $4.99 Each = $7.32
10 – 1/4 inch x 1.5 inch x 8 feet long Wood Lathes at $1.39 Each = $13.90
2 – 1/4 inch x 6 inch wood shims 10 paks at $1.25 Each = $2.50
4 – 8 foot Suntuf Roof Panel – Clear at $21.62 Each = $86.48
4 – 24 inch horizontal plastic closure 6 pak at $5.26 = $21.04
2 – 2 inch Suntuf Wood Screws 50 pak at $5.29 = $10.58
Total cost of assembling and installing the rafters = $205.80

So far total material costs are up to $409.36

Prices per Lowes and/or Home Depot. Price of 2×4’s is premium quality. Prices on these screws vary a lot, I am using galvanized exterior screws rather than the more expensive polymer coated screws, which cost about twice as much as the screws I am using. Some 2×4’s and the patio blocks were items I had on hand, so my actual costs are quite a bit lower than I am showing for buying all new materials.

-- Steve, Carmel, Maine, USA (near Bangor) (Hardiness Zone 5a)



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nitepagan

93 posts in 1623 days
hardiness zone 5a

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10 comments so far

View MsDebbieP's profile

MsDebbieP

14694 posts in 3808 days
hardiness zone 5b

posted 10-03-2013 01:23 PM

$409
pride: priceless!

-- - Debbie, SW Ontario Canada (USDA Hardiness Zone: 5a)

View nitepagan's profile

nitepagan

93 posts in 1623 days
hardiness zone 5a

posted 10-03-2013 02:37 PM

The final price is around $500. I saw some double thickness GH covering, I really liked that stuff and looks cheaper than what I ended up using.

-- Steve, Carmel, Maine, USA (near Bangor) (Hardiness Zone 5a)

View MsDebbieP's profile

MsDebbieP

14694 posts in 3808 days
hardiness zone 5b

posted 10-04-2013 04:45 AM

you chose not to use the double thickness covering?

-- - Debbie, SW Ontario Canada (USDA Hardiness Zone: 5a)

View nitepagan's profile

nitepagan

93 posts in 1623 days
hardiness zone 5a

posted 10-04-2013 08:48 AM

I am contemplating making a second greenhouse, this one has 2 beds 32” x 93”, so there isn’t a lot of growing room. Plus the design of the garden, really calls for the second building. Between the garden, greenhouse and indoor grow lights, I hope to have produce on a year round basis. No more waxed veggies, no more mushy cukes, real tomatoes, not picked green, etc.

I will blog more info on some of my ideas and plans.

-- Steve, Carmel, Maine, USA (near Bangor) (Hardiness Zone 5a)

View MsDebbieP's profile

MsDebbieP

14694 posts in 3808 days
hardiness zone 5b

posted 10-04-2013 09:56 AM

nice.

-- - Debbie, SW Ontario Canada (USDA Hardiness Zone: 5a)

View Greenthumb's profile

Greenthumb

2290 posts in 3628 days

posted 10-04-2013 05:39 PM

I think a greenhouse is a gardeners window to paradise

-- just one more rock, and the garden is done ; )

View nitepagan's profile

nitepagan

93 posts in 1623 days
hardiness zone 5a

posted 10-04-2013 06:24 PM

This is my first GH, if I had to do all over I would have brought the height down a bit. The Barn style allows for a lot of headroom, so there is plenty of space for staking tall plants. With the GH still incomplete, there is still a good increase in temperature. If I was to totally enclose the GH, then I would have to worry about extremely high temps. With the doors open, this has not happened. I do have to consider the neighbors chickens so something needs to be done to close the doorway. Am thinking of a half door, the top half being open and the bottom half able to be closed. Maybe a complete door, but the top half of the door open. I am thinking of a screen style door.

-- Steve, Carmel, Maine, USA (near Bangor) (Hardiness Zone 5a)

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Greenthumb

2290 posts in 3628 days

posted 10-04-2013 08:11 PM

vent it

-- just one more rock, and the garden is done ; )

View nitepagan's profile

nitepagan

93 posts in 1623 days
hardiness zone 5a

posted 10-04-2013 08:25 PM

I was planning big box fans. We will see when next season rolls around. Still waiting for fall and winter to happen.

-- Steve, Carmel, Maine, USA (near Bangor) (Hardiness Zone 5a)

View leeman's profile

leeman

12 posts in 1192 days

posted 11-23-2015 02:06 PM

If you have unused materials, you can start building your greenhouse. Just like what I did, I started it all from used lumber and doors.

-- check me at http://caldwells.com/exterior-doors - 2070 Newcomb Avenue, Unit B, San Francisco, CA 94124.

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