1/2" Thick Rubber Roll Matting is 12mm Rubber Flooring by American Floor Mats
Amazon.com: 1/2" Thick 48 Sq Ft Rubber Top High Density EVA Foam Exercise Gym Mats 12 Pcs - Interlocking Puzzle Floor Tiles for Home Gym Heavy Workout Equipment Flooring - 24 x
Rubber-Cal 48-in W x 120-in L x 0.375-in T Rubber Gym Floor Roll (40-sq ft) in the Gym Flooring department at Lowes.com
3/4" Smooth Surface Rubber Gym Mats 4' x 6'
American Floor Mats 5/16" (8mm) Thick Black 4' x 15' Rubber Rolls, Rubber Gym Flooring, Natural Rubber Exercise Mats
Rubber-Cal 20-in W x 20-in L x 1-in T Interlocking Rubber Gym Floor Tile (8.5-sq ft) (3-Pack) in the Gym Flooring department at Lowes.com
Amazon.com: IncStores 1/4" Thick Tough Rubber Flooring Roll | Flexible Recycled Rubber Roll Flooring for a Stronger and Safer Basement, Home Gym, Shed, or Trailer | Black, 1 Mat : Tools & Home Improvement