Reflective Mylar Foil Vapor Barrier Film Roll Greenhouse Grow Room 4' x 250'

32 lbs per 1000 sq ft roll. PASS – No Growth. 1000 sqft (4ft x 250ft). 70°F±5°F & 50±5% Relative Humidity –. Adhesive Performance. Class A/ Class 1. 180°F±5°F & 50% Relative Humidity –. Thermal Properties.

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