So after some discussions, some thoughts, and some more modeling I think I am getting close to finished with the ventilation. I found some 12" x 24" darkroom louvers that I can put in the doors. I also decided to use separate fans for each side, I’m afraid I wont be able to control the environment otherwise. In this model I went with a Cloudline T8 for flower and a Cloudline T6 for veg. The size difference between the fans isn’t that dramatic, thought the filters are a bit bigger.
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How do those louvers stop light coming through but not air?
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Not sure the actual mechanism, but light travels in a straight path, while air will go around corners. The 12x24 version is only rated for 400 CFM.
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I’ve been rocking two of the 8x8’s of these louvers for about 5 years. For around $30 a piece they saved me a lot of time light proofing my cabinet. If I remember correctly they are three separate pieces of plastic in the shape of “V”'s that snap together. The “V” sections make the corners for light proofing. They were designed for ventilation while developing photo’s in a darkroom. Design is very similar to the homemade plastic drywall corner louvers you would find on ICMAG from the early 2000’s.
Outside the Cab
Inside…Man that photo really shows the dust. Gotta take care of that!
They work great!
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hey ReikoX,
I see you’re using SketchUp - did you create the filters yourself or is there some kind of growroom design package?
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Thanks Tommy, I figured it must have been a w shape to keep it compact, in width. They look very good, I may invest in a couple of those, for my clone cab and veg tent, I made something out of cardboard but it keeps falling off the side of the tent, and I have to have my clone cab vent high up as there’s no room lower down outside the cab for a 90 degree piece of steel ducting.
I designed them myself. It’s not that complicated, a few circles and the push tool. I’ve been using this program for 10+ years though. 
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Aahh I see, I’ll try my hand at pushing some circles then 
only used it to design my to-be shed at this point.
I’ve made some louvres before, not hard. I used 20 x 20 mm angled plastic, and used thick cardboard packers on the ends to allow for the gaps. Works really well, used them in my Pc case grows years ago. Everything in a pc case is custom built.
Cheers Johnny
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Something I ran across back in my telescope days, if you ever need a paint that EATS light (perhaps painting the backside of the louvres etc.). Krylon flat black is what you want, now they have an ultra flat. This was the ‘go to stuff’ back in the 80’s and 90’s for painting the inside of tubes to eliminate reflected light.
Cheers
G
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Making the most out of this 16" x 16" tent. Trying to root a few cuts of Green Crack for my brother.
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Your weed plants look a little off. 
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I think I’ve seen that before…known as the “blackest, darkest” paint you can buy?
Cant wait to see your room all finished up. The old “plan before you plant” saying is alive and well. Wish I would have taken the time to plan mine out a bit better.
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Yesterday I went to the hardware store and got the lumber to frame the walls. I got treated lumber for the bottom against the concrete. I had to buy 12’ pieces for the long wall because it was 124.5", just 4.5" short of a.10’
First thing that I did was smoke a bowl. Then I got to work on my cut list. My grandpa always taught me to measure twice and cut once.
Once everything was cut, I begann assembly. This would have been a lot easier if I could have taken the two ends of the workbench out. I had to move them around to get all the nails in.
The top piece is 4.5" longer than the bottom because the cement sticks out. This required some juggling to lift the wall above it and nail the top piece on it. Finally got the wall up, it was a little tight in one spot, so I got a bigger hammer! I got it up and level. Then took out my tape measure and realized the bottom had moved! Pulled the nails and got it right the second time.
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After some dinner, and another bowl, i busted out the cut list for the next wall. I love my miter saw, it made quick work of these cut lists at nice right angles. My grandpa used to cut 2x4s by hand.
I wanted to make sure I had something to nail the wall into, so i nailed a couple of 2x4s to the rafters.
This wall was much easier to build. I had a lot more room, and didn’t have any doors to deal with. This time I checked my bottom measurements before securing the wall.
4’ x 6’ Flower Room
4’ x 4’ Mother and Clone Room
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@5stonedgnomes check this room build out… I think you could learn a few things on framing lmao… notice how they’re all cut the same length. I’d put down money that he wont paint plywood in the rain then sucker a buddy into helping put it on the roof while it’s still wet
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Its starting to come togther and you’ll be back to growing in no time 
Hey KeikoX’s
I come with a carpentry back ground and I must say it’s all coming along quite nicely mate. As you know, some great planing and carful measurements, it’s going to work out just as you want it too.
Following along and looking forward to see the out come.
Cheers Johnny
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Are you insulating for noise? what and you using to panel the wall you have built? Curious as I am looking at a new property, where I would probably be doing something similar.
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Yields like shit too!
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