Inflatable sofa bulge may be due to the following reasons:
1. Insufficient inflation: If the inflation is insufficient or uneven, it will lead to a bulge or depression on the sofa surface.
2. Temperature effect: inflatable sofa is used in a high temperature environment, the gas volume will increase, resulting in bulging on the surface.
3. Quality problems: If the inflatable sofa itself has quality problems, such as uneven materials or weak stitching, it may also lead to bulging on the surface.
The inflatable sofa is bulging, which may be caused by too much gas pressure or uneven inflation.
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If the inflatable sofa is bulging, you first need to check whether the valve is tight, if there is no problem with the valve, you can try to re-inflate, if there is still bulging, it may be a problem with the air bag inside the sofa, which needs to be replaced or repaired.
Inflatable sofa has a large bag, it is likely that always sitting there, will lead to the position of the cortex is weak, after good gas that position will be stock bag