Mylar

Mylar is a metalized plastic sheeting. It will reflect about 98% of the light that hits it. You should put it on the walls around your plants to reflect wasted light back to the plants. It comes in three different roll lengths and two different thickness', 1 mil and 2 mil.
From $11.95 Click for more information

Block-IR - Infra-Red Barrier

A revolutionary new security product, Block-IR is made from NASA developed Infra-Red blocking technology. Completely line any space with Block-IR for a 97% reduction in thermal imaging reduction. Don't be fooled by thin, cheap imitations that don't provide complete protection. This is the real deal. Accept nothing less.
From $79.95 Click for more information

Ultreflect

With its specially designed grid pattern, Sunleaves Ultreflect maximizes reflectivity by redirecting lumens to plants in the indoor garden for optimal plant growth.
From $18.95 Click for more information

Black & White Poly

Black & White poly is thick plastic sheeting that is black on one side and white on the other. It can be used to cover up windows, make partitions, cover floors and reflect light onto the plants. It is great for partitioning off spaces, as it is very tough, reflective, and can be handled on a daily basis without damage or tearing.
From $1.00 Click for more information

Tarp Zip-Up

Easy peel and stick adhesive zipper system creates an instant door in Black & White Poly, Ultreflect or other tarp enclosures. The incredible 6.5' Tarp Zip-Up opens from either side. Stick it on, cut a slit and you've got an instant door!
$9.95 Click for more information