Found 3 results for the keyword(s) ‘Crawl Space, Ventilation’

• Article

  MYTH: AN AIR SPACE BETWEEN THE INSULATION AND THE WALL PREVENTS CONDENSATION.

  Often promoted in southern Ontario, this theory has never, to my knowledge, been proven by any government agency or independent researcher in the insulation field. On the contrary, the unanimous opinion seems to be that it will cause, not prevent, condensation.  Even efforts to drain condensation...
• Article

  West Coast crawl spaces and high humidity.

  Gills writes from South Surrey, B.C.:Problem: High humidity in a crawl space. What do you suggest to reduce this problem. Info: Rancher style home (single level), 1800 sq.ft. Crawl space: 6 ft. high, concrete floor No windows The only existing opening is a 6 inch pipe going out side.---------...
• Article

  HOW MUCH SUMMER VENTILATION DO I NEED IN A BASEMENT OR CRAWL SPACE?

  The general rule is that a basement or crawl space should have at least 0.1 square meters of screened ventilation space for every 25 square meters of floor space (1 sq. ft. per 250 sq. ft.) -- that is if the floor is made of poured concrete or if a dirt floor has a ground cover. If the floor...