How Many Caps Should Each Casing Provide? This is a popular question that is difficult to answer due to its broad spectrum of variables. With preventative tyre maintenance, a fleet owner would expect to get one or two caps from a casing. A stringent preventative maintenance programme adds up to a considerable cost in labour and tyre repairs. However with Tyreseal, once the tyres have been treated, porosity leaks, bead leaks, valve leaks and punctures have been eliminated, thus cutting, labour costs, tyre repairs and down time. This added to the tyre being constantly maintained at the correct pressure, will ensure no weakening of the tyre wall due to under inflation and could add up to another two capping per tyre. No tyre maintenance programme can eliminate tyre side wall weakening due to impact