MiraPLY-V with SeamLOCK™ Technology is a high-performance, vertical-grade, 70-mil self-adhering blindside waterproofing membrane. This advanced membrane features a fully adhered composite design, combining a durable 45-mil reinforced TPO backing with a 25-mil butyl alloy adhesive layer. The result is a tough, flexible, and reliable solution that delivers exceptional waterproofing performance in challenging applications.