DIY garage Grow Room for under $100.00 delivered to your door

dangerlow

Well-Known Member
I decided to build another grow room for another plant and wanted to do it on the cheap.

Materials Needed:

Home Depot

3X 7/16 in. x 4 ft. x 8 ft. OSB Sheathing $9.57 Each

14x 2 in. x 3 in. x 96 in. Premium Whitewood Stud $1.98 Each

2x 3-1/2 in. x 3-1/2 in. - 1/4 in Door Hinge $1.92 Each

1x 3 in. Coarse Yellow Combination Screws 72 per Box $7.98 Each

1x Grip-Rite #8 x 1-1/4 in. Coarse Screws 6.47 Each

1x 3M Super 77 16.75 fl. oz. Multipurpose Spray Adhesive $9.99 Each

4x Ready America Emergency Blanket $2.19 Each

1x Prime-Line 1-1/8 in. Chrome Drawer and Cabinet Keyed Cam Lock $5.47 Each

They delivered all of it to my home for free.

Take the plywood and cut a 3 foot by 7 foot piece out of the corner of one piece of your OSB.
Door Pannel.jpg

Take 2x a 2x3's and cut one to 7'3" and the other to 3'. Then attach them to the OSB you just cut around the doorway.
Door Frame.jpg
Take the Door you cut out and attach a 7' piece of your 2x3 flush with one edge. Then mount Hinges onto face of the plywood on the side with the 2x3.

Door frame and hinges.jpg
Take another sheet of OSB and cut it to 4'x4' for the top.
Top cover.jpg


roof framing.jpg
Take the Piece you have cut for the top and cut two 2x3's at 44 & 9/16th" and " and two at 47 & 9/16th" . Attach those to the panel you Just cut leaving 7/16th on each edge.

Cut hole in it for exhaust where needed.

Take your door and on the inside of it spray it with your spray adhesive. Then get your emergency blanked and stretch it as tight as possible so it is smooth on your door. Cut off the excess.

Take your door frame panel, top panel, and other sheet of OSB and do the same.


Then take a 92 & 9/16th" tall 2x3 and attach it at 4' from the corner of your garage or building area using your 3" screws.

Attach a 92 & 9/16th" tall stud to the conjoining wall at 47 & 9/16th" from the corner using your 3" screws.
Make sure these studs are level.

Place the uncut piece of OSB onto the outside surface of one of the 2x3's with your 1" screws.

Attach a 92 & 9/16th" tall 2x3 flush to the outside of the piece of OSB you just attached to the wall. Make sure it's touching your floor.

Attach the side of your plywood you didn't cut on the other 2x3 you attached to the conjoining wall on the outside of the 2x3.

Screw the top 1' remaining of the OSB you cut for the door to the 2x3 you attached to the other piece of plywood.

Cut a 2x3 so it sits in the corner of the wall at 92 & 9/16th" tall and attach it to the corner.

drop your top into the slot you have created.

Screw the top on using your 1" screws through the plywood into the studs mounted to the top.

Attach your door in the same place you cut it from using the hinges.

Cut a hole in the door and a install your lock.
finnished.jpg

There you have it, a poor mans grow room for $98.94 Delivered to your door for free.

Grow.jpg
There is one of two of my new box's
I made the two longboards leaning on it about 5 years ago.
 

dangerlow

Well-Known Member
I also designed and am going to build this exhaust fan design. It could be used as an intake fan as well, but I wouldn't use an expensive Carbon furnace filter in that case. This design could easily be installed on the inside of the grow room or on the ceiling as well for those who are worried about it being noticeable. I have an additional $26.79 invested in this exhaust system for my grow room.
I would only recommend this design for your veg room unless you are not concerned with smell. It will block small amounts of Odor but I wouldn't rely on it solely.
Vent Design.jpg
 

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curiousuk

Active Member
Impressive design Hope your planning to keep a documented Grow diary of anything you harvest under that. to see how it works out
 

GroErr

Well-Known Member
I also designed and am going to build this exhaust fan design. It could be used as an intake fan as well, but I wouldn't use an expensive Carbon furnace filter in that case. This design could easily be installed on the inside of the grow room or on the ceiling as well for those who are worried about it being noticeable. I have an additional $26.79 invested in this exhaust system for my grow room.
I would only recommend this design for your veg room unless you are not concerned with smell. It will block small amounts of Odor but I wouldn't rely on it solely.
View attachment 2995284
Nice, amazing what you can do on the cheap with a few skills and couple of tools. Materials are so cheap now it doesn't make any sense to buy something if you can afford a Sunday afternoon.

Tip for assisted air exchange on the cheap. I have several cabinets and building out a decent size room with all the goodies. But, for the smaller cabinets or tents, I didn't want to spend the money on Inline fans. One way to get great air flow/exhaust/cooling is to use fans, like circulation fans that you would normally use to just blow air on the plants, just design the intake and exhaust holes so you can fit in the fan, either backwards to exhaust, or right way around to suck air in (while circulating the air which you want anyhow). Passive will work of course, but assisted by a fan you can suck air in or out more efficiently and obtain better air exchange, allowing maybe for more lights, or lower humidity like during flowering. I use LED's exclusively which helps, with LED bulbs coming down in price and using standard sockets it makes sense, particularly for small areas.

I found some cheap $10 4" fans that have a little wire stand that swivels so they can be directed in almost any direction. Designed my intake and exhaust in my DIY cabinets to fit the front or back of the fan in the incoming or exhaust holes. So the incoming air fan serves both as a fresh air puller, and circulation fan. The exhaust just sucks the air out more efficiently than passive and helps when temps or humidity are high.

Of course, low end fans will not deal with odour so for flowering cabinets where you need to get rid of smell they're not practical. I use the cab/tent for seeds, clones, and 1st few weeks of vegging so no smell worries. The one 12/12 cabinet I built sits inside my flower room so the room it sits in deals with scrubbing the air...

Cheers...
 

dangerlow

Well-Known Member
Great Post ....a photo of the functioning interior would be nice.....?
pic 1.jpgRight side of room. It gets cold in my garage, so I use a space heater to keep it at a decent temp.

pic 2.jpgAnother shot of the right side of the grow. Sorry about the HPS being on, I didn't want to shut it off so I just cut it to 50%. There is an inline exhaust fan mounted to the ceiling of the unit. Smell is of no concern for me, so I don't even bother.
pic 3.jpgLeft side of grow room, sorry the pics jump around a bit. There is another inline fan mounted to the bottom of the shelf. It draws cooler air to help with the cold from down below. There is also a fan in the left corner.
pic 4.jpgHere is the door. I decided to put a simple shelf there for nutes, and also mounted my thermometer to the door.
pic 5.jpgI have a box fan mounted from the ceiling angled directly at the shelf. It keeps the air circulated nice.
pic 6.jpgHere is the shelf, sorry for the mess down below. I drilled a hole in the tub, and a hole through the shelf. My excess water ends up in the 2 gallon bucket down there. The smaller ones are what I start seeds and clones in.
pic 7.jpgAnother view of the left.
pic.jpgBacked up from the doorway.

It was too cold when I applied the adhesive and it came partially off. I just taped and tacked it up to keep it up till this grow is over.
The plant is a Dynafem Cheese, medium is Home made soil mix, and that is a 1000 Watt Hps, 6 100 Watt equivalent CFL's, and a Grow bulb in the back, I forget what kind it is. I will try and take some pics of the other room tomorrow when the lights turn on. This one is my flower room, and my veg room is in dark right now.
 

GroErr

Well-Known Member
Very nice, specifically for the $100 :) An idea down the road which could also reduce your heating bill, I had used those exact emergency blankets for light reflection when I first built my veg cabinet. It worked great but after a year of blowing air, adding screws here & there to hang things it had ripped in a few spots, had become quite a mess and needed to be re-done/replaced.

Don't know if you have this available where you are but home depot sells this styrofoam insulation called DuroFoam. It's meant for exterior walls and concrete interior walls. The cool thing with it is that it provides insulation, but acts as a great reflective material as one side is lined with what is essentially mylar. The 4x8' sheets come in 3/4", 1", and 1 1/2" thick, as low as $13/sheet. I just re-lined my veg cabinet with it and it looks great. Up close it has like little bubbles but when you back off a foot it's like a mirror. i used the 3/4" and cost me about $20 for the 2x4x5' cabinet re-lining. I'm impressed enough with this stuff that it will line the walls/ceiling in my new room. The room is actually my cold room in the basement so the insulative properties come in handy, plus I get excellent reflective walls/ceilings...

Here's what it looks like now after the re-lining:
VegCabinet-Reflective-After-DuroFoam.jpg
 

vostok

Well-Known Member
I hope this post makes those tenters reconsider their position, by far I prefer this to a flimsy 2x3 tent ...again great post!
 

GroErr

Well-Known Member
Ditto that, I have a small tent but use it only when necessary, it's a pain in the ass mounting anything in there. Nice thing (besides price) with DIY is you can build exactly what you need, example below... I couldn't have found a tent to fit into the corner I'm putting this 12/12 Station in, and even if I did it would have cost more...

This one took one Sunday afternoon, needed it for a 12/12 party cup run and will run perpetual 12/12 from seed/clones in this one on-going. Cost about $40, it's essentially a 2x2 frame, the walls/ceiling inside and out is that DuroFoam stuff, the frame gives me somewhere to mount lights/fans etc. Could have been cheaper but I wanted the outside reflective as well, it will sit in what would have been an unused corner of my flower room, once I modify the sump-pump pipe angle, it will slide right into the corner. Using that stuff for the exterior walls I can have plants sitting right next to it and still get good light reflection. F'n love this stuff, I should buy shares in that company - lol

12-12-CabinetBuild-1.jpg12-12-Cabinet-Finished.jpg
 

dangerlow

Well-Known Member
Very nice, specifically for the $100 :) An idea down the road which could also reduce your heating bill, I had used those exact emergency blankets for light reflection when I first built my veg cabinet. It worked great but after a year of blowing air, adding screws here & there to hang things it had ripped in a few spots, had become quite a mess and needed to be re-done/replaced.

Don't know if you have this available where you are but home depot sells this styrofoam insulation called DuroFoam. It's meant for exterior walls and concrete interior walls. The cool thing with it is that it provides insulation, but acts as a great reflective material as one side is lined with what is essentially mylar. The 4x8' sheets come in 3/4", 1", and 1 1/2" thick, as low as $13/sheet. I just re-lined my veg cabinet with it and it looks great. Up close it has like little bubbles but when you back off a foot it's like a mirror. i used the 3/4" and cost me about $20 for the 2x4x5' cabinet re-lining. I'm impressed enough with this stuff that it will line the walls/ceiling in my new room. The room is actually my cold room in the basement so the insulative properties come in handy, plus I get excellent reflective walls/ceilings...
DuroFoam is a good idea, I might actually do that tomorrow. Thanks!
 

dangerlow

Well-Known Member
I hope this post makes those tenters reconsider their position, by far I prefer this to a flimsy 2x3 tent ...again great post!
Thanks! Yeah hopefully, tents are usually a last resort option in my mind. Crap if you don't have the brain capable of building a simple wood box with a door you probably shouldn't be smoking anymore as it it... haha
I have found in life that if I did not succeed I did not try hard enough. If you can use a car I hope you can run a hand saw and a hammer and nails. ;)
 

UncleBuck

Well-Known Member
$100 to enclose a single plant? what a waste of money.

get some PVC or 2x2's, make a simple frame, and cover in dark cloth ($5 for 54'' x 36'' at joann's). you could do it even cheaper by using 6 mil black plastic sheeting folded over on itself.

to vent, buy a computer fan and a charger for half the price.

i'm sure you're very proud of your homemade and kitschy little contraption, but it can be done a lot cheaper and easier.
 

Nutes and Nugs

Well-Known Member
$100 to enclose a single plant? what a waste of money.

get some PVC or 2x2's, make a simple frame, and cover in dark cloth ($5 for 54'' x 36'' at joann's). you could do it even cheaper by using 6 mil black plastic sheeting folded over on itself.

to vent, buy a computer fan and a charger for half the price.

i'm sure you're very proud of your homemade and kitschy little contraption, but it can be done a lot cheaper and easier.
I see dangers room though I don't see yours.
Easier said than done.
 

jointed

Well-Known Member
$100 to enclose a single plant? what a waste of money.

get some PVC or 2x2's, make a simple frame, and cover in dark cloth ($5 for 54'' x 36'' at joann's). you could do it even cheaper by using 6 mil black plastic sheeting folded over on itself.

to vent, buy a computer fan and a charger for half the price.

i'm sure you're very proud of your homemade and kitschy little contraption, but it can be done a lot cheaper and easier.
You just can't give anyone any credit can ya...
 

Nutes and Nugs

Well-Known Member
that's because i grow more than a single plant.

but if i was growing a single plant, i wouldn't have to spend $100+ dollars just to give it a basic environment.
For now it's 1 plant.
I could grow many smaller plants in that room and no doubt build a clone room under the bench.
Lots of room in that room.
 
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