![Amazon.com: Gorilla Grip Rug Pad for Carpet Floor, Made in USA, Double Sided, 5x7 FT Gripper for Over Carpets, Keep Area Rugs in Place on Carpeted Floors, No Residue Adhesive Tape Pads Amazon.com: Gorilla Grip Rug Pad for Carpet Floor, Made in USA, Double Sided, 5x7 FT Gripper for Over Carpets, Keep Area Rugs in Place on Carpeted Floors, No Residue Adhesive Tape Pads](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/71UHZ9IEDJL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: Gorilla Grip Rug Pad for Carpet Floor, Made in USA, Double Sided, 5x7 FT Gripper for Over Carpets, Keep Area Rugs in Place on Carpeted Floors, No Residue Adhesive Tape Pads
![Went to pull up old carpet in our home (built in '62) to discover this black layer under the padding-what is this? : r/Flooring Went to pull up old carpet in our home (built in '62) to discover this black layer under the padding-what is this? : r/Flooring](https://preview.redd.it/bsjkir1q68q71.jpg?width=640&crop=smart&auto=webp&s=fa717b5cb3b63d51f68771c4be9a28ac16b9530e)
Went to pull up old carpet in our home (built in '62) to discover this black layer under the padding-what is this? : r/Flooring
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