Amazon.com : IncStores 4'x6' Premium Mat - Vulcanized Rubber Exercise Mat, High Density Floor Mats for Gym Flooring, Home Gym, and Horse Stall Mat (Black, 3/4" Thick - 1 Mat) : Sports & Outdoors
Rubber Gym Flooring Canada | Gym Floor Mats and Tiles
Rubber-Cal Diamond Plate 4 ft. x 2 ft. Black Rubber Flooring (8 sq. ft.) 03-206-W100-02 - The Home Depot
Heavy Duty Rubber Gym Mats - 3/4" 4ft x 6ft - Pallet of 25
Costco (in Canada at least) has these sweet rubber mats that remind me of the gym. Way cheaper than Amazon since they are heavy as heck! It's flat on the other side :
Pro Series Rubber Gym Flooring Mats - Goliath Products Canada
Rubber Gym Flooring Canada | Gym Floor Mats and Tiles
Rubber Flooring Rolls - Rubber Flooring Direct
Gym Rubber Flooring Mats | Gorila Fitness
Rubber flooring for gym interiors | Mapei
1/2" Mega Rubber Rolls – Commercial Rubber Sports Flooring