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Kolenda Heating & Cooling

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Kolenda Heating & Cooling

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17 years of experience

We specialize in Commercial and Residential Heating & Cooling products and services. We offer Free Estimates and Consultation. We require 50% down at signing of proposal. The Remaining balance is due upon completion. Financing is available upon credit approval.

We specialize in Commercial and Residential Heating & Cooling products and services. We offer Free Estimates and Consultation. We require 50% down at signing of proposal. The Remaining balance is due upon completion. Financing is available upon credit approval.

Chimney Repair questions, answered by experts

The green coloration that develops on copper roofs is called a “patina,” and it’s a result of mild oxidation on the surface. The oxidation process is not harmful to your roof. In fact, the surface corrosion acts as a protective layer and won’t spread to the core of your copper roof materials. The discoloration will progress much more quickly in damp or humid climates than it will in dry climates. If you don’t like the green color, you can seal your roof to preserve the shiny, rose-gold look.

Repairs can typically be completed within a few hours, though larger projects requiring multiple layers or precise shaping may take longer.

Repairs typically take 1-3 days, depending on the extent of the damage.

Maintaining repaired areas involves regular cleaning, ensuring protective coatings are intact, and inspecting for signs of rust or wear that need to be addressed.

Zinc roofs can last over 100 years under ideal conditions. While metal roofs last a long time, only copper roofing is comparable to zinc's longevity. Zinc roofing develops a patina over time, turning from dark shades to lighter ones. The material, or at least the patina coating, is somewhat self-healing by filling in small gaps and scratches on its own.  

The Northwood, ND homeowners’ guide to chimney repairs

From average costs to expert advice, get all the answers you need to get your job done.

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