Buttering

Definition

Buttering refers to the process of sealing metal-to-metal joints with silicone caulking.

Purpose

Buttering is used to create a watertight and airtight seal between metal surfaces, preventing leaks and protecting against corrosion. This process is crucial in various applications where metal components are joined and exposed to environmental factors.

Examples of Use

1. HVAC Ducts: Sealing joints in ductwork to prevent air leaks and improve system efficiency.
2. Roofing: Sealing metal roof seams and joints to prevent water ingress.
3. Automotive Industry: Sealing joints and seams in vehicles to protect against moisture and corrosion.

Related Terms

• Caulking: The process of sealing gaps and joints with a flexible material.
• Gasket: A material placed between two surfaces to prevent leakage.
• Sealant: A substance used to block the passage of fluids through the surface or joints.

Notes

Proper surface preparation and application techniques are essential for effective buttering. The silicone caulking should be applied evenly and allowed to cure fully for optimal performance.