Product details:

Closed-cell 1/8 inch foam padding provides a smooth wall backing, preventing rust, corrosion and other wall degradation from puncturing or wearing down your liner! Help keep your liner like-new for years to come with wall foam! This also helps insulate your wall during heating season.Specifications: 1/8" x 48" closed cell foam, available lengths from 60-125' Order Spray adhesive separately 2lb. density for years of service life High density, inexpensive, lightweight foam for swimming pools. Protects liner from rough surfaces on walls. Insulates against heat loss through side-wall of inground & above ground pools. Excellent thermal blanket for spas, tubs, and indoor pools. Moisture and chemical resistant closed cell structure.