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OfflineGr0wer
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Re: Suggestion for Farm Construction [Re: drake89]
    #22515981 - 11/12/15 09:34 PM (8 years, 2 months ago)

you should have looked for 10' width then you can make the wall one solid section. I purchased my 6 mil panda film in a 10'x100' roll for like $75.


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Offlinespaintr
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Re: Suggestion for Farm Construction [Re: Gr0wer]
    #22516828 - 11/13/15 05:41 AM (8 years, 2 months ago)

You're right that would have worked well. If I would have known about the panda film I probably would have gotten that but at least I know that the material I have is very durable.

The reason I considered painting was because I have access to paint already. And I have rollers and whatnot so it wouldn't cost me anything other than an hour or two of my time.


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Offlinespaintr
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Re: Suggestion for Farm Construction [Re: spaintr]
    #22516846 - 11/13/15 05:52 AM (8 years, 2 months ago)

This is the idea I was working with for air distribution. I have plexiglass to make this box out of and a 200 cam fan. I'll mount this box in the small gap seen in the picture and this should mix my inside air with outside so I'm not murdering my RH by running a fan constantly. I'll make a collar where the fan is and connect poly tubing to it as an air duct across the length of the room.

Then im trying to decide whether or not I should try to duct my humidifier into the air duct or just have it wall mounted.  I've heard sometimes you can have issues of the bags closest to the humidifier being to wet and bags furthest away being too dry.



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OfflineGr0wer
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Re: Suggestion for Farm Construction [Re: spaintr]
    #22516989 - 11/13/15 07:20 AM (8 years, 2 months ago)

You shouldn't need a fancy intake box like that. Just have your intake duct with the humidifier and a humidistat nearby the humidifier, that should reduce RH swings and cycle your humidifier faster.


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Invisibledreadhed
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Re: Suggestion for Farm Construction [Re: spaintr]
    #22517299 - 11/13/15 09:23 AM (8 years, 2 months ago)

Quote:

spaintr said:
Awesome thanks for all of the ideas yall. I've got a 4ft wide roll of brand new vinyl for $20 tha will easily do all of the walls and ceiling. I got some construction adhesive to put the vinyl onto the walls and if that doesn't work then I'm using 3M.

I was planning on overlapping a few inches but I need to look into the vinyl seam sealer. What exactly is that? I also have some of that metallic HVAC tape that is pretty bomb proof that I was considering using on the seams. What do yall think about that? Maybe use the 3M spray on the seam before the tape?

I'm thinking a good layer of paint on the OSB before I glue I the vinyl can't hurt right? Or am I just wasting my time?

-T




They sell vinyl seam sealer at flooring supply places and pry hardware stores too. It's pretty easy to use it comes with a applicator bottle. I'd use a vinyl glue to put it down. If you don't want to glue it all you could just glue the seams & perimeter but it will have a lot of bubbles in the vinyl.

I wouldn't bother painting.


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Offlinespaintr
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Re: Suggestion for Farm Construction [Re: dreadhed]
    #22518100 - 11/13/15 01:14 PM (8 years, 2 months ago)

Ill post a picture of the glue that I am planning on using. Only reason I would like to use it is because I got 5 gallons for free. I was also planning on gluing the entire surface of the vinyl.

Ill take your advice on the paint. I could spend my time elsewhere.

I think I will still make the D box with the two intakes but because it wont take me any longer to build it that way and the added efficiency of not pumping in 100% dry frigid air during the winter months will be a benefit.

I built a cycle timer to use with the humidifier instead of the humidistat. From everything I have read people start to burn through those humidstats when fruiting oysters because of the spore load and it can't be too hard to dial the humidity in using the timer.

Ill mount the humidifier right next to the D box and just have it running into the duct past the fan so that I'm not soaking it everytime, yet it should be distributed pretty evenly throughout the room. the unit is made to be mounted right to the ductwork of a residential HVAC system so I would hope it would work well in this application.


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OfflineGr0wer
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Re: Suggestion for Farm Construction [Re: spaintr]
    #22523361 - 11/14/15 04:31 PM (8 years, 2 months ago)

I've found timers to be ineffective especially here in the desert where RH goes from 80 to 5%. I've found the WH8040 to be super effective once calibrated. You will need to seal up the sensor plug end with silicone to prevent corrosion other than that its great for RH around 70-85. Above 90-95 RH i've seen the sensor bug out but oysters never want that much humidity. The sensor cant get wet so place it up high and out of the way where you won't mist or spray it, in my martha i placed it inside a PVC T to keep it from getting dripped on. Then again if your using that 707 atomizer you might just give the factory humidistat a try, im sure it will hold up if its rated for up to 80%. You only need 70-75% anyways.


Edited by Gr0wer (11/14/15 04:34 PM)


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OfflineGr0wer
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Re: Suggestion for Farm Construction [Re: Gr0wer]
    #22523736 - 11/14/15 06:12 PM (8 years, 2 months ago)

I should also mention http://hydrofogger.com/ these are designed for use in the agricultural/mycology industry. Much better suited than a house humidifier hacked into a grow. Also if money isn't an issue a Heat Recovery Ventilator (HRV) unit would be a good idea for heat/cooling saving.

https://www.google.com/webhp?sourceid=chrome-instant&ion=1&espv=2&ie=UTF-8#q=heat%20recovery%20ventilator


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Offlinemoricz
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Re: Suggestion for Farm Construction [Re: Gr0wer]
    #22581046 - 11/27/15 06:01 AM (8 years, 2 months ago)

Cool :smile:
:creepylurker:


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Offlinespaintr
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Re: Suggestion for Farm Construction [Re: moricz]
    #22678797 - 12/20/15 09:55 AM (8 years, 1 month ago)



Made my air distributer from some plexi. Got a good seal through to the outside. Im going to make a collar to go around the fan so that I can just zip tie a length of poly tubing on to use as an air duct along the ceiling for the length of the room.


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OfflineGr0wer
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Re: Suggestion for Farm Construction [Re: spaintr]
    #22678858 - 12/20/15 10:14 AM (8 years, 1 month ago)

How many CFM is that fan? And how many logs do you plan on placing into the room? I like the poly tube air ducting :wink:


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Offlinespaintr
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Re: Suggestion for Farm Construction [Re: Gr0wer]
    #22679585 - 12/20/15 01:18 PM (8 years, 1 month ago)

Correct me if my train of thought is wrong.
My room is 10'x14'x8' = 1120 cu. ft
The fan is 212 cfm
therefore 1120 cu. ft / 212cfm = 5.28 min
60min / 5.28min =  11.36 total air exchanges per hour theoretically
That should be fine for oysters for me to run constantly right? I liked the fan because I got it for free and it is not very loud or large for how much air it displaces.

Im planning on doing one 14ft long 6ft tall stainless rack for one wall ( the restaurant style quad racks)

a 10' one along the wall with the door

a 10' in the middle of the room.

That way I can just fruit laying on shelves which will give me the option of using bags or sawdust blocks.


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OfflineGr0wer
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Re: Suggestion for Farm Construction [Re: spaintr]
    #22679663 - 12/20/15 01:39 PM (8 years, 1 month ago)

Sounds like it may be good enough depending on how well you pack it with substrate. THe shiitakes should be fine with that much FAE. In my experience hanging logs is better then laying them down for the following reasons,

- No racks to clean
- No hidden fruits on the back sides of logs, a quick spin shows all
- Cheaper startup cost, no racks to buy just some rope and some old galvanized pole or hooks to hang from
- Better utilization of space, you can scoot logs closer together and leave space for the fruiting logs. Just never move logs with mature fruits, typically ill harvest then adjust then give more space 1-2 weeks later when pins form.

You will more then likely be fruiting a few rounds of oysters in there before any shiitake bags are browned enough to be fruited. It might be a better plan on your startup cost to hang oysters first then after making some sales 2-3 months later when the shiitakes are finally ready to fruit then buy shelves and fruit shiitakes on shelves.

Also those prefab racks have a lot of nooks and crannies to clean. You may want to look into DIY shelving using wood planks as uprights and 1" conduit as the shelving. This leaves you with 2-4 tubes to wipe down and sanitize instead of an intricate web of metal shelving wire with nooks and crannies. Also a lot of those shelvings are chrome steel, and rust over time. Galvanized steel typically holds up extremely well especially if your not cutting or damaging the treated surface. Plastic shelves won't rust but have even more nooks and crannies.


Edited by Gr0wer (12/20/15 01:42 PM)


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Offlinespaintr
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Re: Suggestion for Farm Construction [Re: Gr0wer]
    #22680674 - 12/20/15 05:57 PM (8 years, 1 month ago)

Well I have a few thousand plastic bags already that are about 20" tall by 10-12" wide, can't quite remember the exact measurements off the top of my head, but I was reasoning that I could just stack those on the shelves and get lots of bags in a small area.

However, your idea of the standing racks would work just as well. Then I could invest no money, I already have the conduit and boards for that style on hand, and could just have one shelf for shitake and kings.

Just redrew my diagram for sterilizer.
Already have all of the parts just waiting for some time to throw it all together. Plan is to find a good cycle that will allow me to sterilize sawdust blocks as well as large bags of grains.



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Offlinespaintr
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Re: Suggestion for Farm Construction [Re: spaintr]
    #22680782 - 12/20/15 06:28 PM (8 years, 1 month ago)

I think this is what i'm going to settle on for adhering the vinyl to the plywood in the room.
http://www.lowes.com/pd_142569-68-00272___?productId=3819177&pl=1&Ntt=construction+adhesive


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OfflineGr0wer
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Re: Suggestion for Farm Construction [Re: spaintr]
    #22680810 - 12/20/15 06:37 PM (8 years, 1 month ago)

Is it poly or vinyl? If its a roll of poly i wouldn't glue it, just tape and staple it so you can tear it down and replace as needed.


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Offlinespaintr
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Re: Suggestion for Farm Construction [Re: Gr0wer]
    #22680817 - 12/20/15 06:39 PM (8 years, 1 month ago)

Its fiber reinforced vinyl. So it has the fibers running vertically and horizontally inside of it every 2mm or so.


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Invisibledreadhed
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Re: Suggestion for Farm Construction [Re: spaintr]
    #22681100 - 12/20/15 07:48 PM (8 years, 1 month ago)

Quote:

spaintr said:
I think this is what i'm going to settle on for adhering the vinyl to the plywood in the room.
http://www.lowes.com/pd_142569-68-00272___?productId=3819177&pl=1&Ntt=construction+adhesive




That's not what you want. You want a carpet/vinyl glue. http://www.lowes.com/pd_4621-70680-7130885021___?productId=4764741&pl=1&Ntt=vinyl+adhesive is more along the lines of what you'd use for vinyl w/ a fine notched trowel. If you gonna have seams use some sealer on them too or they will come apart.


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Offlinespaintr
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Re: Suggestion for Farm Construction [Re: dreadhed]
    #22681128 - 12/20/15 07:53 PM (8 years, 1 month ago)

I have like 20 gallons of pressure sensitive adhesive just laying around. I thought that would not make a permanent seal. Once I glue this stuff on I do not want it coming off, so I figured the contact cement or construction adhesive would be the best. Most of the vinyl glues I was looking at are meant to be used on felt backed vinyl and carpet, not smooth sheets of vinyl and are not meant to be in high moisture environments.


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Invisibledreadhed
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Re: Suggestion for Farm Construction [Re: spaintr]
    #22681245 - 12/20/15 08:23 PM (8 years, 1 month ago)

Fiberglass-backed and rock-backed floors go down with a releasable pressure sensitive adhesive or no adhesive at all. If a permanent, non-releasable bond is desired, place carpet, pad or sheet vinyl into adhesive while it is still wet (before the color change).

Im not sure about the high humidity affecting the adhesive but I wouldn't think so. I think it would effect the wood floors before the adhesive.

http://www.armstrong.com/pdbupimages/191376.pdf
^^Here is some info from Armstrong about fiberglass reinforced vinyl. Hope it helps.


Edited by dreadhed (12/20/15 08:35 PM)


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