Summit County Residential and Commercial Roofing

 A cold roof (or vented roof) is designed to keep the roof surface at the same temperature as the outside air. By creating an air gap between the heated living space and the roof deck, you prevent the snow from melting from the bottom up, which is the primary cause of ice damming. 

If your home is having major ice-damming issues, this is a good idea! 

• Increased Insulation: By properly insulating your attic, you keep the heat inside your living space where it belongs, rather than letting it warm your roof deck.
• Heat Cable: We install professional-grade heat cables to create "drainage paths" through existing ice, allowing meltwater to flow safely off the roof and through your gutters.
• Build a Cold Roof System: The ultimate long-term solution is to build a cold roof system next time you replace your roof. This involves creating a secondary "floating" deck with an air gap above your actual roof, ensuring the outer surface stays at the same temperature as the outside air, virtually eliminating the freeze-thaw cycle that causes dams.

• Labor Scarcity: Specialized mountain crews are incredibly hard to find. It takes a specific type of highly-trained professional to work on high-pitch roofs in thin air, and the local labor pool is extremely scarce compared to the Front Range.
• Material Logistics: Supplies are rarely stocked in the mountains—especially the specific components required for cold roofs and snow retention. Almost every piece of material, from the shingles to the heavy-duty flashings, must be trucked up from Denver. This adds significant freight costs and requires perfect coordination.
• The Climate Risk Factor: The mountain climate makes every project a high-stakes race. Opening up a roof is a massive risk; if a sudden storm hits and the roof isn't perfectly sealed, it can cause catastrophic interior damage. To mitigate this, we have to use larger crews and more expensive temporary protection to ensure your home is never left vulnerable.
  
  

 The short answer is typically yes, but there is a major catch: insurance generally covers the resulting damage, not the maintenance or prevention. 

Whether they are "worth it" in the mountains depends on which mountain problem you are trying to solve. While Class 4 shingles are the gold standard for hail protection on the Front Range, their value in the high country (Summit County, Vail Valley, etc.) comes down to durability and insurance savings rather than just hail.

The Pros: Why They Make Sense

• Extreme Cold Performance: Most Class 4 shingles are "SBS Modified" (rubberized asphalt). Unlike standard shingles that become brittle and crack in freezing temperatures, Class 4 shingles remain flexible. This is a massive advantage in places like Breckenridge or Silverthorne where shingles face extreme freeze-thaw cycles.
• Wind Resistance: Many Class 4 shingles come with higher wind speed ratings (up to 130 mph). If your property is on a ridge or exposed face, this extra "grip" is essential to prevent blow-offs during winter storms.

The Cons: What to Consider

• Snow Slides: Class 4 refers to impact (hail). It does not mean the shingle is "slippery." If you are hoping for snow to shed quickly, you may be better off with Metal or Synthetic Slate.
• Upfront Cost: You will typically pay 10% to 20% more for Class 4 materials compared to a standard architectural shingle.

The Verdict

Yes, they are worth it—specifically for the SBS rubberized versions. In the high country, you aren't just buying hail protection; you are buying a roof that won't crack when the temperature hits -20°F. At Excel Roofing, we often recommend Owens Corning Duration FLEX® or similar SBS products for mountain installs because they handle the cold and the snow-load pressure much better than standard shingles.

Pro Tip: Before you pull the trigger, call your insurance agent. Ask exactly how much your annual premium will drop with a Class 4 impact-resistant roof.

Excel Roofing pulls more building permits in Colorado than any other roofing contractor, managing all permit requirements, inspections, and HOA approvals on your behalf. We understand the specific building codes, architectural guidelines, and neighborhood covenants that apply throughout the region, ensuring your roof replacement meets every local standard. Our turnkey approach means you never have to navigate complex permitting processes or communicate with municipal offices yourself. 

• Metal: Great for shedding snow quickly and lasting 50+ years. However, it can be noisy during storms and is more expensive upfront.
• Shingles: More affordable and easier to repair. 

 Yes. In the high country, "roof avalanches" are a serious liability. Without snow fences or guards, thousands of pounds of snow can slide off at once, destroying gutters, decks, landscaping, or—more importantly—injuring people below.