Old building repairing and renovation work in Nagalapuram Rvs waterproofing construction chemical applicators.Repair or renovation means any work to an existing building or structure, which improves its condition without structural alterations or changes to more than 50 percent of the building or structure, but shall not include any reconstruction or enlargement, and repaired and renovated shall have a corresponding meaning and Rvs waterproofing in Tiruchirappalli.