How to attach Panda Film to Foam Board Insulation?

thumper60

Well-Known Member
I am growing in sub zero temps right now, put a lot of time into insulation. I have a couple cold spots, particularly the corners and around my intake that have condensation buildup. I used r-19 insulation and went over with 3/4 foam board. Prior to insulating I spray foamed every crack I could see. I never thought I would have this problem.
Better air movement will stop that condensation in the corners, I stay below freezing for weeks at a time here.
 

xIPhobiaIx

Active Member
I am growing in sub zero temps right now, put a lot of time into insulation. I have a couple cold spots, particularly the corners and around my intake that have condensation buildup. I used r-19 insulation and went over with 3/4 foam board. Prior to insulating I spray foamed every crack I could see. I never thought I would have this problem.
What problem are you referring to? Your setup sounds almost exactly like mine. What do you recommend I do before I ran into "your problem" whatever that might be. Let me know I am curious. Are saying have an air gap between the panda and foam board? I also think that due to the radiant barrier built into the foam board that also might work well in that regards as well. Also, to note though my walls do not get cold and stay at a good temp.
 

ҖҗlegilizeitҗҖ

Well-Known Member
If the walls are cold you dont want warm panda on them.Air is your best insulation to stop heat.Hang the panda 1" away from the walls.Like curtains.This way no direct heat hits the cold walls.
Thats actually not true.
Air sucks at insulation. About 3.5" of air is equal to R-1.
Just a 2" layer of foam board is R-10
Applying the panda film directly to foam board out give the sheets a stiff surface, and 17.5x the insulation value.
 
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xIPhobiaIx

Active Member
Thats actually not true.
Air sucks are insulation. About 3.5" of air is equal to R-1.
Just a 2" layer of foam board is R-10
Applying the panda film directly to foam board out give the sheets a stiff surface, and 17.5x the insulation value.
Panda is not an insulator though only the foam board so am I missing something?
 

JimmiP

Well-Known Member
Aerosol contact adhesive. It is nasty stuff that can be purchased any where. Just follow directions except the applying to Panda film. Not needed and problems if you do. Get help and secure the top few inches first. Let set until secure after adjusting. Then do remaining lower wall area. This gives you a good solid and clean start to aid in smooth application.
Agreed on the contact cement. Except I would spray the film. It can be done in sections. I would also work in the opposite direction. Working from the bottom up. That's the direction I was taught for working on most walls with membrane.
 

JimmiP

Well-Known Member
Are you exhausting this shed or using an AC. If your exhausting the shed there will be negative pressure and therefore needs to hold better. I have used Ferring strips, painted white, in several rooms to hold up the panda film when negative pressure is present with no issue.

if you don’t have exhaust fans I guess tape might work, but I’d be afraid of it falling down mid run, not all places are easy to get to and fix while plants are in a room. Also you don’t want the plastic to potentially pull lose and land on either something hot (grow light) or on your plants.
This is why the only time I used tape on the walls, was the last time I used tape on the walls. Now I just use Masonite and eggshell white paint.
I suppose I should say I will use metallic duct tape to seal seams though.
 
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MICHI-CAN

Well-Known Member
Agreed on the contact cement. Except I would spray the film. It can be done in sections. I would also work in the opposite direction. Working from the bottom up. That's the direction I was taught for working on most walls with membrane.
Wall coverings, monster graphics appliques and tint in my long journey. Always top to bottom. Use gravity. Or lateral for long narrowstreches. Always from the side of piece. Foam makes this limited solution.

I would say min wax urethane to seal the foam. Then high gloss reflective epoxy. But that is more the work I did.
 

xIPhobiaIx

Active Member
I mean if the kanga or roberts tape truly can come off without damaging the insulation or panda film that would be easy
Otherwise, I am thinking about building out a frame using furring strips to staple the panda to.
The only thing is that the panda would be away from the wall based on however thick the furring strips are.
I know I could pinch it with the furring strips as well but that seems a little more difficult especially when working in corners and also would have to pain them.
 

ҖҗlegilizeitҗҖ

Well-Known Member
I mean if the kanga or roberts tape truly can come off without damaging the insulation or panda film that would be easy
Otherwise, I am thinking about building out a frame using furring strips to staple the panda to.
The only thing is that the panda would be away from the wall based on however thick the furring strips are.
I know I could pinch it with the furring strips as well but that seems a little more difficult especially when working in corners and also would have to pain them.
Just glue it on the foam
 

xIPhobiaIx

Active Member
Good god this is still going on? Yall must be government workers ;)

You wont be able to dude. What's the problem with staples? I've yet to hear your reasoning not to use them
The staples at current would just go right into the foam board from the panda as I don't have plywood, OSB, MDF, drywall, etc. up.
It wouldn't stay up right?

Or, are you saying something different?
 

myke

Well-Known Member
Thats actually not true.
Air sucks at insulation. About 3.5" of air is equal to R-1.
Just a 2" layer of foam board is R-10
Applying the panda film directly to foam board out give the sheets a stiff surface, and 17.5x the insulation value.
I think you miss read my post,air is the best insulation to stop heat transfer.
 

natureboygrower

Well-Known Member
The staples at current would just go right into the foam board from the panda as I don't have plywood, OSB, MDF, drywall, etc. up.
It wouldn't stay up right?

Or, are you saying something different?
I think theyd work unless you have hurricane force winds in there lol. You could always tape your edges and seams so they dont flutter. But if you use that 3m tape I posted up, you will have to cut your panda and leave the tape if you want to remove it. That shit is sticky. Youll more than likely peel sone of the paper off the foam. Honestly, if you're worried about the staples holding, staple the panda up, then use firring strips the whole length of the top/bottom and seams.Sounds like you have plenty of backing to nail/screw your strips into over the panda. I think it's already been suggested. Adhesive would be the last method I'd use. It's one and done. Once you've done it, there's no turning back and you'll tear the shit outta the panda and foam board removing it.
 

myke

Well-Known Member
Whats wrong with just leaving it? Theirs reflective material on the foam already isnt there?
 

myke

Well-Known Member
What I did was make panels. 3x2 or what ever. just 1/4 ply and spray glued reflective material on those.Then hung them like pictures at the right height.
 
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