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What waterproofing materials used in cold climate like Canada
In cold climates like Canada, it is important to use waterproofing materials that can withstand the freezing temperatures and freeze-thaw cycles.
Waterproofing regulations in Canada vary by province and municipality. In general, building codes in Canada require that new construction and major renovations be designed and built to prevent water infiltration. This includes proper grading of the land around the building, installation of proper drainage systems, and the use of waterproofing materials in the foundation and other areas that are susceptible to water infiltration.

Some of the materials that are commonly used for waterproofing in cold climates include:

  1. Rubberized asphalt: Rubberized asphalt is a waterproofing membrane that is made from asphalt and rubber. It is flexible and can expand and contract with temperature changes, making it well suited for cold climates.

  2. Polyurethane and polyurea: These materials are applied as a liquid and then cure to form a waterproof barrier. They are flexible and can withstand freeze-thaw cycles, making them suitable for cold climates.

  3. Bituminous waterproofing: Bituminous waterproofing is a type of waterproofing membrane that is made from asphalt or tar. It is resistant to freezing temperatures, and is commonly used in cold climates.

  4. Cementitious waterproofing: Cement-based waterproofing materials are used to make concrete and masonry surfaces waterproof. They are resistant to freeze-thaw cycles and can be used in cold climates.

  5. Liquid applied membrane: These are liquid waterproofing products that are applied as a liquid and then cured to form a waterproof barrier. They can be used on various surfaces such as concrete, wood, metal, etc. and can withstand cold temperatures.

  6. Insulation: Insulation is not a waterproofing material per se, however, it plays a vital role in preventing water from penetrating the building’s structure. Insulation is used to prevent heat loss and keep the building warm and dry, which in turn helps to prevent the formation of ice dams and keep water from penetrating the building’s structure.

It's important to note that it's not just the material, but also the installation that matters. It's important to have a professional install the waterproofing material properly, following the manufacturer's instructions and local building codes. This will ensure that the waterproofing will work correctly, even in the harsh Canadian weather.

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