Terne

Definition

Terne is an alloy of lead and tin used to coat sheets of carbon steel, stainless steel, or copper for use as metal roofing sheets.

Purpose

The terne coating provides enhanced durability, corrosion resistance, and weatherproofing to the underlying metal, making it suitable for long-lasting roofing applications.

Examples of Use

1. Historic Buildings: Terne-coated roofing is often used in the restoration of historic buildings to match original materials while providing modern protection.
2. Residential Roofing: Terne-coated steel or copper roofs are used in homes for their aesthetic appeal and durability.
3. Architectural Projects: In modern architecture, terne-coated metals are chosen for their unique look and long-lasting properties.

Related Terms

• Galvanized Steel: Steel coated with a layer of zinc to prevent rusting.
• Anodized Aluminum: Aluminum that has been coated with an oxide layer to prevent corrosion.
• Corrosion Resistance: The ability of a material to withstand degradation due to environmental factors.

Notes

• Maintenance: Terne-coated roofs require regular maintenance to ensure the coating remains intact and effective.
• Environmental Concerns: The lead content in terne has led to the development of lead-free alternatives for environmental safety.