60 X 60 Extension Right Studded | Black .145 Inch Vinyl Build A Custom Chair Mat The sum of the measurements

The sum of the measurements entered into Sides D F & H must equal the measurement entered into Side B

The sum of the measurements entered into Sides D F & H must equal the sum of the measurements entered into Sides N L & J

it has no way to escape so it sits under the chair mat until mold starts to grow

where the concrete under the carpet was not properly sealed or has no moisture barrier

you have the potential for a serious problem

60 X 60 Extension Right Studded | Black .145 Inch Vinyl Build A Custom Chair Mat The sum of the measurementsNeed help measuring? Click here to be taken to a tutorial video. Make sure sides A & B are not larger than the material's sheet size. The sum of the measurements entered into Sides C & E must equal the measurement entered into Side B. The sum of the measurements entered into Sides D & F must equal the measurement entered into Side A. The Breathe Through Option Chair mats create a great surface to roll on, but when a chair mat is placed on a carpeted