... , light and easy to install. It is made from aluminum foil and polyethylene by special machinery. It has no odor and ... - vibration, and shielding; Moisture, barrier, sun-proof, waterproof, good sealing property, heat preservation, energy saving; Summer: moisture barrier, sun-proof ... : 20mm/10mm, H: 4mm/2.5mm/7mmFire retardand bubble and Aluminum with blue color is also possibleNormal roll size: 1.2m ...