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      Instaloc Snap Lock Standing Seam Panels

      Low-profile, snap-together standing seam panel with concealed fasteners ideal for residential roofing over solid decking. 

      McElroy Metal’s Instaloc installs quickly without mechanical seaming, using a 1" rib height to create clean, uninterrupted lines and long-lasting performance. Its low-profile aesthetic and simple snap-together design make it a strong fit for residential and light commercial applications.

      Renderings & Profiles

      Color Charts

      Great for:

      walls-icon
      WALLS
      roofs-icon
      ROOFS
      residential-icon
      RESIDENTIAL
      commercial-icon
      COMMERCIAL
      Instaloc Rendering
      Instaloc Minor Rib Profile
      Instaloc Plank Profile
      Instaloc Striated Profile
      Instaloc Specs at a Glance
      Panel Type
      Rib Height
      Major Rib On Center
      Cover Width
      Factory Panel Length
      Onsite Forming Available
      Substrate/Gauges
      Installation
      Finishes
      Minimum Slope
      Concealed fastener standing seam
      1"
      13"
      13"
      Up to 50' (varies by manufacturing facility)
      No
      24 GA Galvalume®
      Solid deck
      Kynar 500® (PVDF); Galvalume® Plus (acrylic-coated)
      3:12

      Instaloc - Ideal Applications

      • Residential and light commercial roofs where quick installation and architectural aesthetics are key.

      • Roof applications requiring a concealed fastener panel.

      • Projects where mechanical seaming isn’t practical, such as smaller roofs or limited-access installations.

      • Retrofit and new construction where speed and concealed fastened products are priorities.

      See 3D Textures Here
      Instaloc on a Home
      Instaloc on a Home

      Instaloc Top 3 Benefits

      1. Fast, Tool-Free Installation: Snap-together seam design allows panels to lock securely without mechanical seaming, reducing installation time and labor costs.

      2. Reliable Weather Resistance: Factory-applied sealant and tight snap engagement offer a weathertight system that performs in a wide range of climates and roof pitches.

      3. Durable Finish and Construction: Manufactured from 24 GA Galvalume® steel with a Kynar 500® (PVDF) coating for superior color retention, corrosion resistance, and long-term performance.

      Color Charts

      Architectural Color Chart

      CAD Drawings

      Eave Drip Trim Detail Eave Drip Trim w/ Gutter Detail High Side Eave High Side Tie-In High Side Tie-In (Vented) Hip Detail Rake Detail Rake Detail (Turn-Up) Rake Tie-In Detail Rake Tie-In Detail (Turn-Up) Ridge Detail Ridge Detail (Vented) Valley Detail

      PDF Drawings

      Eave Drip Trim Detail Eave Drip Trim w/ Gutter Detail High Side Eave High Side Tie-In High Side Tie-In (Vented) Hip Detail Rake Detail Rake Detail (Turn-Up) Rake Tie-In Detail Rake Tie-In Detail (Turn-Up) Ridge Detail Ridge Detail (Vented) Valley Detail

      English Installation Manuals

      Instaloc Installation Manual

      Brochures/Flyers

      2025 Product Catalog

      Metal Panel Care & Maintenance

      Oil Canning Tech Sheet from MCA Operation and Maintenance Manual (Roofs)

      Product Data Sheets

      Instaloc Product Data SikaLastomer® 511 Product Data

      SDS - Substrate & Paint

      Galvalume® Substrate Paint - Almond Paint - Ash Gray  Paint - Bone White  Paint - Brite Red  Paint - Buckskin Paint - Champagne Metallic Paint - Charcoal  Paint - Colonial Red  Paint - Copper Penny  Paint - Dark Bronze Paint - Evergreen  Paint - Hartford Green  Paint - Home Depot Orange Paint - IHOP Blue Paint - Leadcoat Paint - Mansard Brown  Paint - Matte Black Paint - Medium Bronze Paint - Patina Green Paint - Patrician Bronze Paint - Preweathered Galvalume® Paint - Regal Blue Paint - Regal White Paint - Roman Blue Paint - Sandstone Paint - Silver Metallic Paint - Slate Gray Paint - Surrey Beige Paint - Texas Silver Metallic Paint - White Backer  Paint Pens - Kynar® Paint Pens- Kynar® ADS Data

      Specifications

      Instaloc

      UL 580 Construction Numbers

      Instaloc No 573 Instaloc No 572

      Approvals

      Fire Resistance (UL263) Ratings Fire Resistance (UL790) Ratings Impact Resistance (UL 2218) Class 4 Texas Department of Insurance Windstorm Approvals

      Finish and Substrate Warranties

      Standard Galvalume® Standard Fluropon® Kynar 500® PVDF with Galvalume® Substrate Project Specific Galvalume® Project Specific Fluropon® Kynar 500® PVDF with Galvalume® Substrate

      Compare our standing seam panels using the tool below.

      For information on all McElroy Metal products, visit our full product library.


      Panel
      Seam Type
      Rib Height
      Panel Widths
      Minimum Slope
      Install Substrate
      Clips
      Substrate / Gauges
      Coating
      Notable Approvals / Tests
      Instaloc
      Snap lock (concealed clips)
      1"
      13"
      3:12
      Solid deck
      Concealed clip
      24 GA Galvalume®
      Kynar 500® (PVDF); Galvalume® Plus (acrylic-coated)
      UL 263 Class A; UL 580 Class 90; UL 1897; UL 2218 Class 4; TDI (over Plywood Deck)

      Components Gallery

      Instaloc Clip

      Instaloc Clip

      Instaloc Seam

      Instaloc Seam

      Instaloc Clip

      Instaloc Clip

      Instaloc Seam

      Instaloc Seam

      Peachtree Solar-501-1

      Notes & Manufacturing Locations

      • Manufactured in Houston, TX.

      • Panels include factory applied sealant

      • Pan Condition Choices:

        • Striated (recommended)

        • Plank

        • Minor Rib

      • Oil canning is a natural occurrence in metal panels and not a cause for rejection.

      McElroy Logo Emp Ownd Opt1_BLK-RED

      Why Choose McElroy Metal

      McElroy Metal is an employee-owned manufacturer with more than six decades of experience producing high-quality metal roofing, wall systems, and substructural components. Our nationwide manufacturing and service center network ensures consistent availability, responsive support, and dependable delivery. Built on a culture of craftsmanship and partnership, our products are engineered for long-term durability and trusted performance on projects of every size.

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      Find a Distributor/Contractor Near You

      Whether you’re building a new home or planning renovations, a metal roof can deliver long-term cost savings and comfort. To explore your options and find the product that meets your aesthetic and budgetary needs, contact a McElroy Metal distributor or contractor in your area today. We can’t wait to help make your dream home a reality.

      Find a Contractor

      Frequently Asked Questions

      The questions below address common considerations and help guide product selection for your project.

      What finish options are available?
      Standard finishes include Kynar 500® (PVDF) coatings on 24 GA Galvalume® substrate, providing exceptional color retention and weather protection. For non-painted applications, we offer Galvalume® Plus (acrylic-coated). Learn More
      What makes Instaloc different from other standing seam panels?
      Instaoc is an economical standing seam panel, featuring a 1” rib height and an integrated batten. It delivers solid performance for price-sensitive projects.
      Can Instaloc be used for wall applications?
      While Instaloc can be installed vertically on walls for a sleek, continuous-rib aesthetic in commercial or high-end residential designs, we do not currently offer standard trim details for wall conditions.
      What deck type is required for installation?
      Instaloc must be installed over solid decking. Learn More
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