Watertight Plumbing has been operating in and around Johannesburg for 18 years.Watertight Plumbing is a company which is dedicated to quality of work, best service. Watertight Plumbing owner is involved in the business and works closely with the customer and the staff. Watertight Plumbing logo is Watertight Does It Right. Watertight Plumbing isĀ dedicated to this logo and in fact will not charge for work we have not been able to repair. Watertight Plumbing believes that referrals from our customers is the best form of advertising and Watertight Plumbing strives to have this take place at all times.