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Avatar for Agoo
Apr 10, 2018 2:51 PM CST
Thread OP
Name: Colleen
Edgewood, NM (Zone 5b)
Live Long & Prosper.
Seed Starter
I have a diy greenhouse built out of cinder block and glass panels & 2 x 4s built up against South Wall of house as 4th Wall of greenhouse. I need to rebuild hole new roof. My question is. What is best material to use? I want to put in a. Couple of vents. Measurements are 12 x 14. Any advice? Thanks
Happy Gardening :-)
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Apr 11, 2018 3:28 AM CST
Name: Jim
Northeast Pennsylvania (Zone 6b)
Gardens feed my body, soul & spirit
Greenhouse Vegetable Grower Fruit Growers Seed Starter Canning and food preservation Region: Pennsylvania
My first choice would be to use twin walled polycarbonate panels. Since your greenhouse has a wood frame, they would be easy to install. You can get them in 2 x 4 panels and put in your own vents. Twin walled polycarbonate would also help to diffuse the sunlight hitting your plants.

If you can't get them locally, Greenhouse Megastore has them starting at $16 a panel. They also sell the fasteners and sealing tape.
My PA Food Forest Thread at NGA
“The one who plants trees, knowing that he will never sit in their shade, has at least started to understand the meaning of life.” (Rabindranath Tagore)
Avatar for Agoo
Apr 11, 2018 7:50 PM CST
Thread OP
Name: Colleen
Edgewood, NM (Zone 5b)
Live Long & Prosper.
Seed Starter
I need to replace all the roof 2 x 4s I used treated lumber last time but they still rotted. Could I use the metal 2 x 4s? Thanks
Happy Gardening :-)
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Apr 12, 2018 1:51 AM CST
Name: Jim
Northeast Pennsylvania (Zone 6b)
Gardens feed my body, soul & spirit
Greenhouse Vegetable Grower Fruit Growers Seed Starter Canning and food preservation Region: Pennsylvania
Yes. You will need glazing caps and bars. See the Recommended Accessories on this page: http://www.greenhousemegastore...
My PA Food Forest Thread at NGA
“The one who plants trees, knowing that he will never sit in their shade, has at least started to understand the meaning of life.” (Rabindranath Tagore)
Avatar for Agoo
May 29, 2022 3:54 AM CST
Thread OP
Name: Colleen
Edgewood, NM (Zone 5b)
Live Long & Prosper.
Seed Starter
After several years my family redid the roof of my greenhouse. I kept having problems with the old roof which was made out of corrugated fiberglass panels. The high winds we get here kept tearing it off.
The new roof is made from wood osb sheets and 2 large sunroof pannels plus metal roof panels like they use on metal buildings. It is so much stronger then the old one. I was worried about the loss of light on top but the plants seem to be doing just fine. The whole south side is made from 4 sliding glass doors plus one on the west side plus a solid glass door.
I also got a new misting system set up and my plants are singing
Can you here them?
Hurray!
Happy Gardening :-)
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May 29, 2022 4:00 AM CST
Name: Jim
Northeast Pennsylvania (Zone 6b)
Gardens feed my body, soul & spirit
Greenhouse Vegetable Grower Fruit Growers Seed Starter Canning and food preservation Region: Pennsylvania
Agoo said: After several years my family redid the roof of my greenhouse. I kept having problems with the old roof which was made out of corrugated fiberglass panels. The high winds we get here kept tearing it off.
The new roof is made from wood osb sheets and 2 large sunroof pannels plus metal roof panels like they use on metal buildings. It is so much stronger then the old one. I was worried about the loss of light on top but the plants seem to be doing just fine. The whole south side is made from 4 sliding glass doors plus one on the west side plus a solid glass door.
I also got a new misting system set up and my plants are singing
Can you here them?
Hurray!


Your plants must love the makeover. I can hear them singing from here. Thumbs up
My PA Food Forest Thread at NGA
“The one who plants trees, knowing that he will never sit in their shade, has at least started to understand the meaning of life.” (Rabindranath Tagore)
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