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Can You Install Copper Roofing Over a Shingle Roof?

The answer is always yes; Copper roofing installers can install a new metal roof over an existing shingle roof. One of the many reasons metal roofs are becoming more popular is that they don’t require entirely pulling off the old roof, which is time-consuming and costly.

Copper roofing has extreme strength, extremely light, and weighing less than a pound per square foot when compared to other materials.

Installing a new copper roof over an existing roof not only saves money by avoiding the cost of entirely replacing the old roof, but it also provides more insulation above your home, preventing heat and cool from escaping.

Since we are on the subject of insulation, we should also emphasize that metal roofs are heat-blockers, meaning they reflect heat rather than absorbing it. As a result, the additional insulation provided by your shingle roof will not act as a heat trap for heat escaping through your copper roof.

When installing a metal roof over shingles, there are a few things to keep in mind.

  • In the vast majority of cases, everything we indicated regarding placing metal over shingles is correct. However, it’s always a good idea to double-check with your local building and zoning agencies to ensure that metal-over-shingle installations are permitted.
  • If you have a shingle roof that is leaking, look for rotten rafters or sheets. 
  • If the current roof’s weight has produced structural difficulties, such as buckled trusses or sagging decking, these issues must be rectified before the new roof is installed.
  • It’s usually a good idea to put some sort of underlayment on top of the shingles to keep the granules from hitting the copper and corroding it. This is something your copper roofing installer will discuss with you.

Copper roofs provide a lot of advantages:Copper Roofing Over a Shingle Roof

You instantly save money by installing your new metal roof over an existing shingle roof instead of having the old roof ripped off. However, this is just one of the numerous advantages of a metal roof. Here are four more examples:

  1. Lifespan: A properly built copper roof should endure for at least 40 or 50 years before needing to be replaced.
  2. Virtually damage-proof: Copper roofs withstand the harshest weather conditions, from hammering hail and ice storms to gale-force winds and scorching summer heat.
  3. Low maintenance: Copper roofs do not require frequent, costly repairs due to their robustness. They maintain their soundness year after year, decade after decade.
  4. Lower cooling costs: As previously stated, unique coatings on Copper roofs allow them to reflect and repel heat rather than absorb it, resulting in lower cooling costs. In the summer, this means lower interior temperatures and reduced use of your air conditioning system.

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