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Water intrusion problems around the world
A survey by Bach Khoa University HCMC
(published in Vietnam Construction Review Dec. 2016 –Vietnam Ministry of Construction)
84.35% of civil buildings less than 10 years old have water seepage
A study by the University of Minnesota, USA concluded:
Drainage system is the final solution to solve basement water problems
when all other techniques had failed.
https://extension.umn.edu/moisture-and-mold-indoors/moisture-basements-causes-and-solutions
Department of Natural Resources of Missouri, United States:
“Few, if any, basements are truly waterproof”
Suggested homeowners use drains to channel water away in the event of leakage.
https://dnr.mo.gov/geology/wrc/waterproblems.htm?/env/wrc/waterproblems.htm
The New York Times reported:
"60% the houses in the United States have moisture problems"
(according to the American Society of Home Inspectors)
http://www.nytimes.com/1991/08/10/news/really-doing-something-about-that-damp-or-wet-basement.html
Bob Vila – a U.S. home improvement television show:
“There’s no such thing as a waterproof basement. The key is to minimize the water that gets in and get it back out again before it affects your home.”
https://www.bobvila.com/articles/bob-vila-radio-basement-waterproofing/
Ph.D. Phan Ngoc Anh (currently living and working in France)
at an online seminar on Waterproofing
“In France, there are areas where water intrusion rate in the rooftops
could be up to 99%.”
(Video below)
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