This is a double sided tape and will perform well if you want to adhere the runner to an unfinished surface such as concrete.
Double sided carpet tape stick to 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.
Some construction adhesives and epoxies will work with concrete but because of the porous materials from which concrete is made tape rarely works well to adhere objects.
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.
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.
Concrete and concrete blocks are not designed to bond with tape.
There is a type of very strong double sided tape that you can find at a carpet supply house.
However that would be harder to remove from the floor when you decide to change the carpet it s very very strong.
Thank you for your inquiry.