A modern house with large windows facing an outdoor patio and swimming pool. The exterior includes dark and light colored sections, and there are two teal chairs on the patio.

Exposed vs. Concealed Fasteners:

A Visual Guide from Western Slope Metals Roofing

Choosing the right fastener system for your metal roof or wall panels can significantly impact your project’s look, longevity, and cost. Let’s break down the key differences between exposed and concealed fastener systems to help you make the best decision.

PANEL SPECS

Exposed Fasteners

A large rectangular dark gray corrugated metal sheet with parallel ridges.
A single sheet of dark gray corrugated metal roofing with a wavy pattern.

Pros:

  • Cost-effective: Exposed fastener panels are generally the most affordable option.
  • Easy Installation: These panels are simpler to install, making them DIY-friendly and potentially saving on labor costs.
  • Wide Availability: Exposed fastener panels are readily available from most suppliers, including Western Slope Metals Roofing.

Cons:

  • Aesthetics: The visible fasteners can detract from the sleek look of a metal finish.
  • Maintenance: Exposed fasteners are more susceptible to weathering and may require occasional tightening or replacement.
  • Expansion and Contraction: The fixed nature of exposed fasteners can limit the panel’s ability to accommodate temperature change, potentially leading to issues over time.

Common Exposed Fastener Panel 

Types from Western Slope Metals Roofing:

  • 7/8″ Corrugated: Offers a classic, wavy look. Known for its strength and impact resistance.
  • PBR Panel: A budget-friendly option that mimics the appearance of standing seam panels.
  • Rib: A strong and versatile panel suitable for longer spans and various applications, including roofing, siding, and fencing.
A grey metal clad house with a brown metal roof and wooden porch supports stands in a grassy rural area under a clear sky.

Concealed Fasteners

A black metal roof panel with interlocking edges is shown against a white background.
A sheet of dark gray corrugated metal roofing with parallel ridges, displayed on a white background.

Pros:

  • Sleek Appearance: Hidden fasteners create a clean, modern aesthetic.
  • Durability: Concealed fasteners are protected from the elements, minimizing maintenance needs due to reduced wear and tear.
  • Weathertightness: Improved resistance to leaks and water damage.
  • Expansion and Contraction: Allows for natural movement of panels with temperature fluctuations.

Cons:

  • Higher Cost: Concealed fastener panels are generally more expensive.
  • Installation: Installation can be more complex, potentially requiring specialized tools or professional expertise.
A modern house with a rust colored metal roof and multiple sections, set amidst lush green surroundings and trees.

Common Concealed Fastener Panel 

Types from Western Slope Metals Roofing:

  • T-Groove Flush Wall Panel: Creates a smooth, flat surface. Ideal for modern designs.
  • Reveal Panel: Offers a distinctive look with recessed joints, adding depth and shadow effects.
  • Wave Panel: Provides a unique, undulating profile with concealed fasteners for a contemporary aesthetic.
  • Lock Standing Seam: A premium option is known for its exceptional weather tightness and longevity.

Making a choice:

The best choice for you will depend on your budget, desired aesthetic, and the specific needs of your project. Consider factors like:

  • Building type: Residential, commercial, agricultural, etc.
  • Application: Roofing, siding, fencing, etc.
  • Climate: Exposure to rain, snow, wind, etc.
  • Budget: Overall project costs and long-term maintenance expenses.