This popular, heavy duty 6 mil film makes a great grow room liner.
90% Reflective!
Just unfold it and staple, tape, or glue it to your grow room wall! 90% Reflective
10 foot x 25 foot sheet. Just unfold it and staple, tape or glue it to your grow room wall! Used in growing areas - this is waterproof poly film that is black on one side & white on the other. Panda film works well as a reflective film (reflects 90% of the light striking it back to the growing area), or as a room partition. This is a heavy duty film with 6 mil thickness.