Thank you for your inquiry.
Double sided carpet tape stick to concrete.
If you plan to have the runner simply attached together you may want to consider the the roberts indoor pressure sensitive carpet seaming tape roll model 50 305.
Shurtape df 545 double sided carpet and duct tape sticks to hardwood concrete tile and more natural with blue liner 48mm x 33 meters 1 roll 152496.
Concrete and concrete blocks are not designed to bond with tape.
This is a double sided tape and will perform well if you want to adhere the runner to an unfinished surface such as concrete.
However if you need to use tape on your concrete blocks choose a tape that is designed for concrete and will not interfere with other plans for your concrete blocks.
This is a single sided seam tape that will not affix to a finished surface.
Attaching this tape to a finished surface is not recommended.
Amazon s choice for double sided tape concrete shurtape df 545 double sided carpet and duct tape sticks to hardwood concrete tile and more natural with blue liner 48mm x 33 meters 1 roll 152496.
If it were me i would use a product called spray tack also found at carpet supply shop.
Shurtape df 545 double sided carpet and duct tape sticks to hardwood concrete tile and more natural with blue liner 48mm x 33 meters 1 roll 152496 4 4 out of 5 stars 38 19 49 19 49 get it as soon as fri sep 18.