WR Meadows. Composed of 100% recycled synthetic rubber, Eco-Joint multipurpose expansion joint filler is flexible, lightweight, chemical-resistant, ultraviolet-stable, and contains no asphalt, the maker says. Compatible with hot and cold joint sealants, Eco-Joint is designed to resist deforming, twisting, and breaking. Ideal for expansion or joint control in sidewalks, pavement patch repair, driveways, flooring, patios, and other spaces subject to walking or driving traffic, Eco-Joint can be sized to meet any installation requirement. The use of Eco-Joint can contribute to LEED credits. 847.214.2100. www.wrmeadows.com.