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Wrinkles, ripples, bubbles – no matter what you call them, you should have them fixed right away. It’s from the carpet being loose and forming air pockets, which can pose a significant threat to people who might trip on it. Check out 3 of the main reasons why your carpet buckles:
Dragging Heavy Furniture
You should make it a point to never drag any heavy furniture across the surface of a carpet. The tackless strip that holds the carpet in place has little nail-like spikes that grip the backing of the carpet.
The force exerted by dragging a heavy object across the surface can easily be enough to rip the carpet right off the tackless strip, damaging the carpet backing or loosening the strip in the process.
Also, some carpet fiber types such as olefin have a very low melting point and the heat generated by dragging an object over it can be enough to melt it, causing permanent damage in the form of a line across the surface which cannot be removed by carpet cleaning. Source: DenGarden
Improper Installation
Carpet buckling may occur as a result of poor installation of the carpet. When wall-to-wall carpet is installed, it must be stretched tightly, and then is secured in place with tack strips along the edges of the carpet. If the installer has not stretched the carpet tightly enough, it may loosen slightly, which could cause it to ripple. Ideally, carpet should be stretched during the installation using a power stretcher, which will reduce the chances of buckling.
If the carpet is being installed in an area in which the conditions are significantly different than where it was previously stored (for example, the carpet was stored in an unheated warehouse and is being installed in a heated home) the carpet should be allowed to acclimate prior to installation, to reduce the possibility of buckling. Source: RugsAndCarpets.About
Humidity and Temperature
These are two more factors to consider. Humidity at the time of installation can affect the carpet. It is a good idea with all flooring materials to let it acclimate to the environment, which it is going to be installed for at least 24 hours. Another cause for wrinkling can be from a house or room being left closed for an extended period of time in high temperatures (above 85 degrees Fahrenheit).
If you make use of your resources, research what you are buying, follow the manufacturer’s specifications and hire carpet installation professionals for your project, you and your carpet will be happier. If you find your carpet needing a “facelift,” remember that it can be repaired or re-stretched by contacting a carpet repair professional in your area. Source: AngiesList