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Reacting to durability problems with Vancouver buildings

Lawton, M. D.
8th International Conference on Durability of Building Materials and Components, Vancouver, Canada, May 28 - June 3, pp. 989-999
biological decay, wood rot, mold, water penetration, remedial action

Lawton, M. D., (1999), "Reacting to durability problems with Vancouver buildings", 8th International Conference on Durability of Building Materials and Components, Vancouver, Canada, May 28 - June 3, pp. 989-999.

This paper outlines how one representative of the building envelope engineering community reacted to water entry and rot problems experienced in the Vancouver Region over the latter part of the 1990's. It reviews how the nature and extent of problems were diagnosed, what remedial approaches were adopted based on available information, and identifies questions for which additional research should be directed.


* Morrison Hershfield Limited (1996) Survey of Building Envelope Failures in the Coastal Climate of British Columbia, Research Report available from Canada Mortgage and Housing Corporation, Ottawa Blackall T.N.,

* Baker M.C. (1984) Rain Leakage of Residential Windows in the Lower Mainland of British Columbia. National Research Council Canada, BPN 42

* Chown G.A., Brown W.C., Poirier G.E. (1997) Evolution of Wall Design for Controlling Rain Water, National Research Council of Canada, CTU No.9

* Morrison Hershfield, (1999) Stucco Clad Wall Drying Experiment, available from Canada Mortgage ad Housing Corporation, Ottawa

* Lawton, M.D., Dales. R.E., White J. (1998) The Influence of House Characteristics in a Canadian Community on Microbiological Contamination, Indoor Air pp 2-11

* Lawton M.D. (1998), Moldy Houses - Building Science Lessons from the Wallaceburg Project, Proceedings of the Thermal Envelopes VII Conference, ASHRAE

* Fungal Contamination in Public Buildings - A Guide to Recognize and Management (1995), Health Canada

Assessment and Remediation of Stachybotrys Atra in Indoor Environments (1993)

* Draft Guide from Toxic Mold Cleanup Procedures (1998) CMHC Morrison Hershfield and RDH Building Engineering (1998) Best Practice Guide for Wood Framed Envelopes in the Coastal Climate of British Columbia,

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Author Information and Other Publications Notes
Lawton, M. D.
Mark D. Lawton, P. Eng Building Science Specialist and holds the position of Technical Director of Building Engineering of Morrison Hershfield Limited.
  1. A comparison of airborne ergosterol, glucan and Air-O-Cell data in relation to physical assessments of mold damage and some other parameters
  2. An evaluation guide for performance assessment of air barrier
  3. Convective processes in loose-fill attic insulation--metering equipment
  4. EASE demonstration project: APCHQ's advanced house
  5. Moldy houses - building science lessons from the Wallaceburg project
  6. Rain penetration control - applying current knowledge (rpc-00)
  7. Rotting wood framed apartments -- not just a Vancouver problem
  8. Stucco-clad wall drying experiment
  9. Testing of air barrier construction details
  10. The influence of house characteristics in a Canadian community on microbiological contamination  

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