Being at roughly 7000 feet, Park City roofs are challenged more than most. The snowfall can reach 150 inches, UV rays are stronger than in the valley, and daily temperature swings can range from below freezing to above. Park City roofing contractors see roofs age more quickly due to these extreme conditions. Here are some averages for different roofing materials in Park City.
Asphalt Shingles: 15 to 25 Years
In most areas, the life of asphalt shingles is about 30 years. Due to Park City’s UV exposure and temperature swings, the average life will most likely be about 20 years, if you are lucky. For shingles that are rated class 4, you will have a better chance of life expectancy, as most insurance companies will offer better rates for shingles that are rated class 4. If you decide to go with asphalt shingles, a reliable Park City roofing company will install an ice-and-water shield to protect against ice dams.
Standing Seam Metal: 40 to 70 Years
Metal roofing may be the best choice for Park City roofs. The roofing panels shed snow and moisture, and the freeze-thaw cycles may have little impact on their lifespan. Even with a lifespan of 40 to 70 years, metal panels require the least maintenance of all roofing materials. However, the contracting Park City roofing company must have experience with the fastening system, as the metal panels will undergo thermal movement, which can cause stress on the fastening system.
Synthetic Shake and Slate: 40-50 Years
Synthetic shakes and slates are great options for HOAs that prefer the look of shakes and slates but are concerned about fire risk and the weight of traditional shakes and slates. These products are very light, most have a Class 4 impact rating, and they have a life expectancy of 40 to 50 years, even on steep mountain roofs.
Shake and Slate: 15-30 Years
Natural products simply do not stand up to the moisture and the snow that pack down on them. With extensive maintenance, the lifespan can reach 30 years, but with the issues of decay and the effects of local fire codes, this is not a good choice.
What Shortens Roof Life at Altitude
Snow, ice, and ventilation issues all cause problems for roofs at high elevations, particularly in Park City, Utah, where the slopes are quite steep and south-facing. South-facing roofs need to be designed to withstand ice and snow damage, as well as issues caused by rapid heating and prolonged exposure to UV rays. Ice and snow can damage all roofing materials, but properly addressing ventilation and ice-related issues is essential.
The Bottom Line
The quality of the materials is critical, but the real focus is on the execution of the design. If you are deciding to replace or build, have a local Park City roofing company evaluate the structure’s snow load capacity and ventilation before you choose materials that align with the project’s budget and timing.