Ideal for laminating to fiberglass insulation, LAMTECs WMP-VR-R PLUS adds strength, tear resistance, and clean visual finish to insulation systems. It meets ASTM C1136 Type IV and VI standards and performs across a wide temperature range without delamination or corrosion. With a high light reflectance value of 85%, it can contribute to better lighting efficiency inside metal structures. This vapor retarder is FM Approved and cULus Listed for code-compliant performance.