Should downspout extenders be kept installed during winter? For some reason, I think they facilitate ice formation to creep up the spout?
When I say downspout extenders, I mean these
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1problem with those is that not all water drains out of the extenders which can then freeze– ratchet freakCommented Oct 4, 2014 at 14:55
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How about finding a square and hard plastic version, which would ensure water would drain and then it would be okay?– TechFanDanCommented Oct 4, 2014 at 15:29
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1 Answer
Proper drainage depends on a constant gradient. These flexible pipes don't provide that.
Those concentric corrugations and the flexibility that allows them to follow ground contour with a portion of the length dropping into a depression or having to go over an obstruction leaves a pool of water that freezes.
Elbows and rigid downspout stock to get the roof runoff out away from the foundation works best. There are fold-up metal/vinyl 48/60" extenders available that allow for flowerbed maintenance.
If you have a lot of winter precipitation as rain, or a lot of melt-water, you need to get the runoff out and away from the house foundation, which is the purpose of a proper downspout system. Thus, extending the outflow of the downspouts is needed year around to prevent this.
answered Oct 4, 2014 at 15:36
