Ice Damming Can Cost You More Than You Know Ice damming begins with an accumulation of snow on your roof. As the snow towards the peak of your roof begins to melt, water runs down towards your gutters and refreezes, usually at the eaves. This frozen ridge or block of ice water at the edge of your roof is an ice dam. If you are concerned your roofing is not ready to handle the ice this winter, or if ice dams are starting to, or has become a problem: call (905) 702-2306 for a Free Assessment and Estimate. Why are Ice Dams a Problem? At Halton Hills Roofing, we know that professionally and promptly dealing with or preventing an ice dam is a major part of roof maintenance in the cold season. They can cause damage to your home in a couple of different ways. First of all, just like debris and other leaves clogging your gutters or sitting on your roof, ice buildup impedes the proper flow of water from your roof. In the winter time, this means frozen gutters that may sag or rust. Ice dams are also accompanied by the formation of icicles which can be a hazard to anyone passing by, particularly if your residential or commercial property is near a public sidewalk. As the melting water freezes and refreezes, it can seep in between the shingles and roofing membrane, and the resulting damage can lead to a leaking roof. Even if you don’t actually find any indoor leaks, you should still work on preventing ice dams as they can cause considerable external damage. Shingles or gutters can become damaged and mouldy too. In short, preventing the formation of ice buildup at the eavestrough also prevents otherwise unnecessary roof repair down the road. Best Solutions to Gutter Ice Dam Buildup Vented Over-roof There are a couple of different ways to effectively deal with ice damming. Regular gutter cleaning is one important step in ensuring that you don’t end up with clogs that will lead to dams. We offer regular eavestrough cleaning for this purpose. Another option is to incorporate a vented over-roof in your original roof design. Vented over-roofs are the most efficient way of preventing eaves ice buildup, and they’re a passive system that won’t cost you in power like heating cables running through your eaves. This roof system will allow the air under the roof deck to remain the same temperature as the outside air, allowing snow to melt naturally rather than accumulating underneath and freezing at the eaves. The best defense is a good offence in this case, and if you take the proper care in your initial design then ice damming won’t be a problem for you at all. Roof Vents and Insulation However, barring a roof replacement, there are other solutions we can offer you. Including a proper roof ventilation system, and addressing any weak points in the shingling and waterproof layers so that any ice buildup will be less likely to leak Read More »
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