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6. Although most of the slip-fit joints were willing to stay togetherwithout clamps for the trial-fit process thanks to their horizontalorientation, a few needed help. Rather than risk crimping a new pipe byovertightening a U-clamp, we used a couple of band clamps for temporaryfitment. Band clamps are intended as a permanent solution to slip jointsthat need to remain removable, and they are effective, but most of ourjunctions will be welded when finished.