1. Product: Damplifier. It was manufactured 10/07/09 so it's not their current stuff but it works great. I have 5 boxes.
2. Specs: This product is 1.5mm Butyl, foil backed, 12x24" sheets. Each box has 40 sq. ft. (20 sheets).
3. Description/Condition: BNIB. It has been kept cool and dry and...