For every action in this case an uneven stress level in the layers of the tile there is an equal and opposite reaction which is the curling of the tile edges.
Carpet tile edge curling.
It is not.
It s up to the inspector to figure out what is triggering the problem in the carpet tiles.
Cupping is similar in that the center part of the tile pulls up the corners.
It creates a concave shape that doesn t lie flat or meet up with the surrounding tiles.
The adhesive used on carpet tile is pressure sensitive and is only supposed to stabilize the product on the floor laterally.
A carpet or rug should lay flat all around regardless of whether it sits on tile.
One of the responses from manufacturers is that the installers didn t use enough adhesive.
How to stop carpets from curling up at corners.
The causes of curling and cupping can range.
Carpets that curl up at the corners are a tripping hazard.
As a result we re seeing claims coming in daily on almost every manufacturer s carpet tile for curling edges.