New 4'x8' grow box

incogneato420

incogneato420

Well-Known Member
I'm currently in a 4x4 grow tent on my first grow but want to build a 4'x8' grow to to flower in. I plan on running a perpetual so the tent will be for veg and the box for flower. I'm using 2x4 studs to frame it up and planning on using plywood to sheath it and paint it with flat white paint. I'll also raise the floor up 4" and insulate it. I have a 750 cfm hurricane fan and matching phresh filter to exhaust it. I made a passive intake filter to filter the incoming air. Looking for any tips or advice from you guys that have been there before. I'm a new so any experience is appreciated.
 
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Woodfella

Member
The only advice I have is, skip the plywood and paint. Apply a nice layer of reflective film to the studs with roofing plastic caps and tape the seems. Pond liner the floor and membrane tape the liner to the wall film. I like this better because you can clean it more thoroughly than ply. I'm a HUGE fan of NOT bringing wood into the room. Metal and plastic for me(but I'm a bug nazi). The ply is nice for lateral support but if your fastening to something ridged you're gtg. If not, maybe add and angle brace on the outside. Any mounting locations can be blocked out with a little forethought. Cheaper in the long run too
 
incogneato420

incogneato420

Well-Known Member
Woodfella said:
The only advice I have is, skip the plywood and paint. Apply a nice layer of reflective film to the studs with roofing plastic caps and tape the seems. Pond liner the floor and membrane tape the liner to the wall film. I like this better because you can clean it more thoroughly than ply. I'm a HUGE fan of NOT bringing wood into the room. Metal and plastic for me(but I'm a bug nazi). The ply is nice for lateral support but if your fastening to something ridged you're gtg. If not, maybe add and angle brace on the outside. Any mounting locations can be blocked out with a little forethought. Cheaper in the long run too
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Woodfella say no wood? Lol thanks for the advice. I grabbed drywall for the walls and plywood for the ceiling and floor. I like idea of roofing rubber and pond liner floor for sure. Where do you grab the roofing rubber at? Lumber yard? I'm on a budget right now, just got done buying all the stuff for my first grow. Beans, nutes, equipment etc. This box is temporary though so when I build out my permanent grow space I'm definitely using the roofing rubber and pond liner on the floor. When you say caps are you talking about the caps and screws that hold down commercial roofing?
 
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Woodfella

Member
Pond liner at garden center or EPDM roofing at roofing supply house. As far as caps, I just use the plastic cap nails that guys put tar paper on roofs with. Drywall is better than ply but still wicks moisture from spills and even ambient moisture. Film is cheaper, faster, cleaner and air tight if done right
 
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