SYMPOSIA PAPER Published: 01 January 1998
STP12102S

Performance of Stucco-Clad Wood-Frame Buildings in a Temperate Rain Forest

Source

The use of stucco cladding on wood-frame buildings is common construction for low-rise condominiums on the southwestern coast of Canada, a mild climatic region with heavy rainfall (temperate rainforest). This paper is a case study of severe deterioration that has occurred due to water ingress and resultant fungal attack at a condominium in Vancouver. The condominium was built in 1987 and consists of 3, four-storey buildings interconnected by exterior walkways. All buildings and walkways are of wood-frame construction, and the exterior walls are clad in conventional stucco. The causes of the water ingress and the subsequent deterioration are numerous, including: poor waterproofing membrane application; improper flashing terminations; and substandard stucco application. The following key issues will be illustrated in this case study: the implications of applying elastomeric coatings to wood structures already infected by fungi; the importance of proper waterproofing details in a wet climate; the implications of using waferboard sheathing as opposed to plywood; and techniques for repairing deteriorating wood-frame structures.

Author Information

Dell, MJ
Levelton Associates, Richmond, British Columbia, Canada
Liaw, SB
Levelton Associates, Richmond, British Columbia, Canada
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Details
Developed by Committee: E06
Pages: 155–167
DOI: 10.1520/STP12102S
ISBN-EB: 978-0-8031-5380-6
ISBN-13: 978-0-8031-2042-6