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Review of factors affecting the durability of repointing mortars for older masonry

Maurenbrecher, A. H. P., Trischuk, K. J. and Rousseau, M. Z.
2001
9th Canadian Masonry Symposium, Fredericton, N.B. 6/4/2001, pp. 1-12

Maurenbrecher, A. H. P., Trischuk, K. J. and Rousseau, M. Z., (2001), "Review of factors affecting the durability of repointing mortars for older masonry", 9th Canadian Masonry Symposium, Fredericton, N.B. 6/4/2001, pp. 1-12.
Abstract:

The selection of repointing mortars for older masonry in the Canadian climate is a subject of debate. Repointing mortars should be durable, practical in application (e.g. workmanship, quality control), and not have a negative effect on the durability of the existing masonry. Durability is not only dependent on the mortar mix used but also on how it is installed and cured (workmanship) and on the severity of the environmental exposure, which in turn depends on weather, design, construction, operation and maintenance. This paper reviews literature dealing with the selection and performance of mortars used in the repair of older masonry. Particular emphasis is given to factors affecting the resistance to frost damage, a major consideration in a cold climate.
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Author Information and Other Publications Notes
Maurenbrecher, A. H. P.
Institute for Research in Construction, National Research Council Canada, Division of Building Research, Ottawa, Canada K1A 0R6
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Trischuk, K. J.
     
Rousseau, M. Z.
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  2. An Overview of the Survey of Building Envelope Failures in the Coastal Climate of British Columbia, Performed by Morrisson-Hershfield Limited for CMHC (1996)
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  7. Monitoring the hygrothermal performance of a masonry wall with and without thermal insulation
  8. Report from Task 2 of MEWS Project - Description of 17 Large Sale Wall Specimens Built for Water Entry Investigation in IRC Dynamic Wall Testing Facility  


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