possibly mylar covered insulation?

[beginningbotanist420]

Solar Shield 4 ft. x 125 ft. Foil Radiant Barrier - 4125 at The Home Depot

what is the foil on this insulation? if its not mylar, does anyone know its reflective properties?

 

[desertrat]

no clue as to light reflection but you don;t want it's thermal reflection - that stuff is made to keep heat in and you want to get heat out.

 

[beginningbotanist420]

another question, how big of a HID light would i need to light a 4x8 room? and wouldthis provide adequate heating to this room? (its not hooked up to HVAC)

 

[la9]

I would go with ( 2 ) 400 watters at least to give you an even spread. That would be the starting point.

 

[desertrat]

I would go with ( 2 ) 400 watters at least to give you an even spread. That would be the starting point.

another question, how big of a HID light would i need to light a 4x8 room? and wouldthis provide adequate heating to this room? (its not hooked up to HVAC)

yea, two 400 watt lights or one 1000 watt hps light will work. plenty if not too much heat when they are on, but you can;t let the plants get too cold in the dark cycle.

 

[beginningbotanist420]

thats my original reason for looking at the insulation

 

[desertrat]

thats my original reason for looking at the insulation

how cold do you think your grow area would get without the lights?

 

[beginningbotanist420]

eh, since winters coming up, i dunno, 40* at the lowest, but usually around 50-60*

 

[desertrat]

insulation is not going to be enough. you're going to need to add a small space heater for when your light is out.

 

[beginningbotanist420]

more money out of my wallet

 

[xBlaze]

ill need a small space heater too. insulation will be a project too..

 

[mcclurecrazydog]

still cheaper to grow your own than to purchase. it's definitely a long term investment