Install rigid French gutters and drains to keep water away from foundations and thus ensure the durability of the materials and reduce the risk of mold. Keep accumulated water away from the roof more than 10 feet from the foundations using a gutter placed all around the edge of a shingle roof or a rigid French drain installed in a strip of stone located under the slope of a metal roof.
This action is necessary to reduce the risk of water entering the foundation walls, or under the floor slab. Such infiltration could lead to early deterioration of the foundation materials and the formation of mold. You must therefore keep the water flowing from the roof to the foundations. The method depends on the type of roof.
Rainwater from the roof could harm the vegetation around the house and increase the risk of moisture build-up at the foundations. This could damage your materials and form mold and efflorescence. In fact, the absence of a gutter is a very likely cause of water infiltration through the walls.
Recovered by drains or gutters, the water accumulated on the roof will be removed from the foundations. This is necessary if you want to prevent water from collecting near the foundation walls or overloading your French drain.
What material to choose for its gutters?
- Several choices of gutters are available on the market, with varying impacts on the environment.
- PVC (vinyl): the most affordable, but not recommended, because it degrades on contact with ultraviolet (UV) rays, releasing particles harmful to health and is very sensitive to temperature variations.
- Aluminum: light, lifespan of about ten years, recyclable.
Copper: more expensive, but generally last as long as the house. It is necessary to entrust its installation to a contractor (welding).
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