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The placement of snow guards depends on the individual roof, but typically snow guards are placed between 12 and 18 inches from the eaves, though they can be placed as close as six inches and as far as 24 inches from the eaves. A roofing professional can assess the roof and potential snow loads to determine the best placement.

A metal roof will last for an average of around 50 years—usually between 40 and 75 years—which is about double the lifespan of an asphalt roof—between 15 and 30 years or 25 years on average. Installing a metal roof is usually more expensive than an asphalt roof, with an average cost of $11,400 compared to the $9,200 for an asphalt roof. However, given that a metal roof costs about 20% more and lasts twice as long, it’s typically well worth the investment and should save you money in the long run.

Copper roofing works well in all kinds of climates, but it’s ideal in humid climates because it naturally repels fungus, moss, and algae. This makes it one of the best roofing options for Cape Cod homes in the Northeast, as well as homes in the humid southern states and snowy northern states. That said, copper is vulnerable to thermal expansion. If you live in a climate that has extreme temperature changes, your contractor will need to consider this during the installation process.

Asphalt shingle roofs are more likely to leak than metal roofs because they are more prone to uplift and damage from extreme weather, moss growth, and ice dams. Asphalt shingles also lose shingle grit over time, which decreases their waterproofing qualities. Metal is a more resilient material that will stand up better to strong winds and heavy precipitation, ultimately leading to a lower risk of leaking. As such, metal roofs add to home value with a higher ROI than asphalt roofs in most cases.