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Temperature Swings and Damage to Residential Roofing


On September 7, 2020, which was Labor Day, the temperatures were unseasonably hot with highs in the 90s. The next day, the temperatures dropped to unseasonably cold and it snowed. These kind of temperature changes are referred to as thermal shock and are common in Colorado. If your roof has hail damage or is just aging, thermal shock could make existing problems worse. This is another reason to schedule that hail damage roof inspection that you’ve been putting off.

Cold Snaps

Cold weather is hard on your roof. It causes the shingles to contract which may cause cracks between them. These cracks then allow rain and snowmelt to seep in under the shingles causing damage to the roof and deck below.

Another problem with cold air is that, in poorly ventilated attics, the warm air from inside the house contacts the upper surface of the attic. Since this attic surface is cold from the outer air, the warm air will condense and form moisture droplets. This moisture also causes damage to the inside of the attic.

Heat Waves

The summer heat causes shingles to expand. If they are at the end of their lives, they may be brittle and this expansion will cause them to crack. Also, a poorly ventilated attic will get really warm and increase the heating of the shingles.

Thermal Shock and Damage to Roofs – Schedule that Hail Damage Roof Inspection

The combination of these two temperature extremes, or thermal shock, causes more problems for roofs than each one does individually. The sudden contraction from cold followed by the sudden expansion from heat will cause older shingles to crack and break.

The more extreme the temperature difference, the more expansion and contraction will take place. Older shingles are already brittle due to age. This extra temperature abuse leads to many points of entry for water under the surface of the roof. If water gets under the roof while it is warm, a cold snap will freeze that water and cause it to expand which will create more cracking and breaking.

This allows more water seeping in when it is warm making this a damaging cycle for roofs. If you have existing hail damage, thermal shock will add to the problems with the roof. Now is a good time to schedule your complimentary hail damage roof inspection. Peak to Peak Roofing and Exteriors will do this inspection free of charge.

Peak to Peak Will Perform You Hail Damage Roof Inspection then Fix or Replace Your Damaged Roof 

Peak to Peak Roofing and Exteriors offers complimentary roof inspections. We will create a clear path forward to getting your roof repaired or replaced. We recommend the roofing materials that work best and look good for your neighborhood.

If you are making an insurance claim, we will work with your insurance company. If your roof damage is the result of a storm, don’t put off filing your insurance claim. A damaged roof that sustains further damage due to the original problem not being fixed may not be covered. Also, damage from a neglected roof may not be covered by insurance. These types of problems will not go away by themselves.

Peak to Peak Roofing and Exteriors is your local Denver roofing company. We have been in business for over 10 years and are licensed and insured. Our employees are permanent employees, not construction temps, and we take the time to make sure they are trained in proper roofing techniques.

We also make sure they are trained in safety and health procedures so they run a clean jobsite. Our project managers are up to date on Colorado roofing codes for your specific location. A storm environment can be an overwhelming time for a home or business owner and Peak to Peak Roofing and Exteriors has positioned itself as a General Contractor so you know all the damage will be repaired or replaced.

We will also give you the peace of mind knowing you have established a relationship with a local company you can rely on and trust. Contact us today to find out how we can make your residential roof beautiful and functional to keep you and your family safe and secure.

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