Sika manufactures thermoplastic (PVC), single-ply, commercial roofing and waterproofing membranes. Sika roofing and waterproofing systems, products and services are designed to precisely fit your specific projects needs. With more than 40 years of roofing and waterproofing experience in locations all over the world, on buildings of all types and in many diverse climates, Sika roofing and waterproofing is the worldwide market leader in thermoplastic membrane technology. They set the bar for quality when it comes to watertight protection.