peltikatto

Peltikatto is a Finnish term referring to a metal roof. It is a common roofing material in Finland and other Nordic countries, valued for its durability, longevity, and resistance to harsh weather conditions. Metal roofs have a long history of use, and their popularity in the region is due to their ability to withstand heavy snowfall, strong winds, and significant temperature fluctuations.

The most common materials used for peltikatto are steel, aluminum, and copper. Steel is often coated with zinc (galvanized) or a protective paint layer to prevent corrosion. Aluminum is naturally resistant to rust and is a lighter option. Copper, while more expensive, develops a distinctive patina over time and is known for its exceptional lifespan.

Peltikatto can be installed in various forms, including standing seam panels, corrugated sheets, and metal tiles. Standing seam roofs feature raised interlocking seams that provide excellent water and wind resistance. Corrugated sheets are a more economical option, often used on agricultural buildings or garages. Metal tiles mimic the appearance of traditional roof tiles but offer the advantages of metal.

Maintenance for peltikatto is generally minimal. Regular inspections to check for loose fasteners, debris accumulation, or minor damage are recommended. Cleaning may be necessary to remove moss or lichen, which can retain moisture and potentially lead to corrosion over extended periods. The lifespan of a peltikatto can range from 30 to 70 years or even longer, depending on the material, installation quality, and maintenance.