Carpet will get ripples, bumps and wrinkles for a variety of reasons. The more common reasons for needing re-stretching is if the carpet was not installed properly in the first place, if a power stretcher was not used, high temperatures or changes in humidity. At this Mesa carpet stretching, the carpet had wrinkles in the room and down the hallway.
Hallway ripples can be tricky to fix for amateurs or for those that want to try and take care of it themselves since hallways are not very wide and there is not a whole lot of carpet to work with for it to stretch and give if needed. Some may try and stretch the carpet themselves. However, mistakes made during the process can result in permanent damage to the carpeting or an injury, which can both be costly.
When a power stretcher is used, the area needs to be clear of furniture so that there are not any stress points that could make the carpet damaged or weak during stretching. For larger rooms a power stretcher is the tool that needs to be used to get the carpet properly stretched.