It seems silly but it works.
How to flatten area rug corners.
Place a piece of furniture or a stack of heavy books on the creases for a few days to flatten them out using weight.
Here s a quick easy trick to cure rugs with curling corners once and for all.
Remove the area rug from the floor and place it between your mattress and box spring.
Sometimes the corners won t lie flat even after the rest of the rug relaxes in place.
How to flatten rug corners.
Make sure it lies completely flat and leave it for at least a week before you check the result.
If you have a smaller rug and only one corner is sticking up try placing a book on the end and an ice cube right on the corner.
If the corners of the rug are curling curl them backward flatten them back out and place weights in just the corners of the rug.
To flatten corners that are curling upward fold them slightly under so the curve points down leaving them.