The Viagrow® Thermal Shield (50 ft x 4 ft x 4 mm) is a highly reflective silver Poly-Mylar and black carbon backed. Thermal shield is infused with metals that give protection from outside intrusive sources. Temperature, Vapor, and Thermal barriers are created when using Thermal Shield and the Poly-Mylar has an extremely high reflective index. This is an absolute must to seal your Grow Room and insure peace of mind!! Available in 25, 50, and 100 ft rolls.
• 50 ft x 4 ft x 4 mm
• Very durable and long lasting
• High reflective index of 96%
• Made in the USA
• Blocks up to 96% of radiant energy
Weight 10 lb