TECHNICAL DATA SHEET ELASTOMER TYPES Expansion joint consist of aluminum clamps connected by an elastomer rubber. The elastomer component is made of modified PVC for better durability resistance to UV and aggressive chemicals. Confined cover is a significant advantage of the system. With a small minimum installation height, the system can be used without grooving for 3 mm PVC carpets, 5 mm textile carpets, or tile slabs. Joints perfectly suit as flush mounted floor, wall and ceiling applications. N - cover version, CV - corner version