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
Gym Flooring - Flooring - The Home Depot
Gym Flooring Guide: Rubber Mats and Rolls | Two Rep Cave
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
Rubber Gym Mat - White Speckle by B.o.S. – Bells Of Steel
POWERStock® Home Gym Floor Mats – Abacus Surfaces
1/4" Thick Rubber Roll Matting is 1/4" Rubber Flooring for Fitness by American Floor Mats