Oakum was useless rope picked apart in Bodmin Jail by convicts and put into seams with a caulking iron and a long mallet. Swedish pitch was used to preserve the oakum. According to Richard ...

before caulking. This means plastic, acrylic, and thin-steel tubs should be pre-filled too, but cast-iron tubs would likely not need that step because they're pretty sturdy. Read more: 50 Small ...