Air tightness testing and sealing of homes in Ottawa, Ontario.

Describes the results obtained and the problems encountered in the sealing and testing of 15 homes in Ottawa Ontario, for the Ontarion Ministry of Municipal Affairs and Housing. Gives a data summary for the 15 homes, outlining house characteristics, reductions in air leakage, materials and time needed. Finds that the average air leakage reduction is 38.7%, and the average time taken to perform the sealing and testing is 31 hrs. Covers:

1. Problems encountered in weatherstripping different types of doors and windows
2. The most effective methods and materials for caulking
3. Description of fan depressurisation system (Door Fan System) used for measuring leakage.