Snow Guards for ACI Building Systems
Snow guards for ACI Building Systems roofing panels help manage sudden releases of snow and ice from rooftops above entrances, sidewalks, parking spaces, loading areas, landscaping, equipment, and other vulnerable locations. Selecting the correct SnoBlox-Snojax product starts with determining whether the ACI roof uses a standing-seam concealed-fastener system or an exposed-fastener panel, followed by confirming the exact panel profile.
Compatible ACI Building Systems snow retention options may include adhesive-mounted polycarbonate guards, mechanically fastened guards, PBR-style rail systems, non-penetrating clamp-on rail assemblies, RCB-3 systems, 2-bar rails, SnowCatcher products, and SnoCleat models, depending on the panel geometry.
- ACI Building Systems standing-seam and exposed-fastener panels require different attachment methods.
- Use compatible clamp-on systems or adhesive-mounted guards on standing-seam panels rather than penetrating the panels with fasteners.
- Exposed-fastener profiles may accept adhesive, screw-down, SnowCatcher, SnoCleat PBR, SnoBar PBR, or ColorBar PBR products when panel geometry permits.
- SnapLok, StratoShield, and UltraLok offer broad compatibility with adhesive-mounted polycarbonate guards and clamp-on snow retention systems.
- Product selection must account for panel shape, roof pitch, panel width, roof length, snow load, roof material, surface striations, and complete layout requirements.
Important: Never choose a snow guard only by appearance. A product that fits one ACI Building Systems panel may not fit another. Clamp-on assemblies work only with compatible standing seams. At the same time, exposed-fastener roofs may require adhesive bonding, mechanical fastening, PBR brackets, or another profile-specific attachment. The wrong selection may reduce holding strength, increase leak potential, or contribute to early system failure.
⚡ ACI Building Systems Primary Quick Selection Guide
Use this section for fast profile-level guidance. Verify exact product compatibility in the complete charts below.
- SnapLok, StratoShield, and UltraLok: Compatible with adhesive-mounted polycarbonate guards, including EcoJax, and the listed non-penetrating clamp-on rails and SnoCleat products.
- PBM: Compatible with selected compact polycarbonate guards, SnowBreaker, SnoCleat PBR, SnoBar PBR, and ColorBar PBR.
- PBR: Supports the broadest exposed-fastener selection shown, including polycarbonate guards, SnowCatcher, SnoCleat PBR, SnoBar PBR, and ColorBar PBR.
- Superior Rib: Compatible with selected smaller guards, SnowCatcher, SnoCleat PBR, SnoBar PBR, and ColorBar PBR.
- Standing-seam warning: Never drive screw-down snow-retention fasteners through concealed-fastener standing-seam panels.
About ACI Building Systems Roofing Systems
Founded in 1991, ACI Building Systems, a subsidiary of Associated Steel Group, designs and manufactures engineered metal buildings, roofing products, wall systems, and related construction components for commercial, industrial, agricultural, architectural, and institutional projects throughout North America. Headquartered in Batesville, Mississippi, the company operates a 270,000-square-foot manufacturing facility that produces a broad range of standing-seam and exposed-fastener roof panels, structural framing systems, wall panels, trim, and accessories. Its roofing portfolio includes standing-seam profiles such as SnapLok®, StratoShield®, and UltraLok®, along with exposed-fastener panels such as PBM, PBR, and Superior Rib, giving builders and architects numerous options for durable, long-lasting metal roofing systems.
Snow Retention Solutions for ACI Building Systems Roofing
ACI Building Systems standing-seam and exposed-fastener roofs require different snow-retention strategies. Standing-seam panels generally use non-penetrating clamp-on systems when seam geometry allows, or adhesive-mounted guards when the panel's pan provides enough bonding area. Exposed-fastener panels may accept screw-down products when installers fasten through the low flats into an adequate structure.
Explore our complete selection of snow guards for metal roofs and use the compatibility charts below to identify products shown for each ACI Building Systems panel. “YES” identifies a listed fit, while “NO” indicates that the chart does not show the product as compatible with that profile.
Snow Guards for ACI Building Systems Standing Seam Roof Panels
This standing-seam section covers SnapLok, StratoShield, and UltraLok. These profiles vary in seam design, coverage width, rib height, gauge, and surface configuration, yet all three support the adhesive-mounted polycarbonate guards and compatible clamp-on systems listed below.
Standing seam warning: Do not install screw-down snow guards through concealed-fastener standing-seam roof panels. Choose a compatible clamp-on assembly when the seam accepts it, or use adhesive-mounted guards where the panel provides a suitable flat bonding surface.
Do you need more information about compatible snow guards for ACI Building Systems standing-seam roof panels? Read our full blog: Snow Guards for Standing Seam Metal Roof Panels by ACI Building Systems.
| SnapLok Panel | StratoShield Panel | UltraLok Panel | |
|---|---|---|---|
 IceJax I |
YES | YES | YES |
 IceJax II |
YES | YES | YES |
 EcoJax |
YES | YES | YES |
 SnoBlox Deuce |
YES | YES | YES |
 SnoBlox Ace |
YES | YES | YES |
 SnoJax II |
YES | YES | YES |
 SnowBreaker |
YES | YES | YES |
 SnoBar Standing Seam |
YES | YES | YES |
 ColorBar Standing Seam |
YES | YES | YES |
 SnoBar RCB-3 |
YES | YES | YES |
 ColorBar RCB-3 |
YES | YES | YES |
 2 Bar SnoBar |
YES | YES | YES |
 2 Bar ColorBar |
YES | YES | YES |
 SnoCleat RC |
YES | YES | YES |
 SnoCleat RCT |
YES | YES | YES |
SnapLok, StratoShield, and UltraLok provide broad standing-seam compatibility because their profiles accept the listed adhesive-mounted guards and compatible non-penetrating clamp-on systems.
Striated surfaces may require additional adhesive to fill shallow gaps and limit moisture pathways beneath each guard. Above pedestrian or parking areas, add properly spaced IceStopper attachments to rail systems to help control snow and ice beneath the bars.
Snow Guards for ACI Building Systems Exposed Fastener Roof Panels
This exposed-fastener section covers PBM, PBR, and Superior Rib. Their rib spacing, flat mounting areas, and profile dimensions differ, which changes the compatibility of individual guards and rail systems from one panel to another.
Exposed fastener reminder: When a screw-down product fits the panel, fasten it through the low flats and into adequate structure. Never mount individual snow guards or rail brackets directly on the high ribs.
Do you need more information about compatible snow guards for ACI Building Systems exposed-fastener roof panels? Read our full blog: Snow Guards for Exposed Fastener Metal Roof Panels by ACI Building Systems.
| PBM Panel | PBR Panel | Superior Rib Panel | |
|---|---|---|---|
IceJax I |
YES | YES | YES |
IceJax II |
NO | YES | NO |
EcoJax |
YES | YES | YES |
SnoBlox Deuce |
YES | YES | YES |
SnoBlox Ace |
YES | YES | NO |
 SnoJax I |
NO | YES | YES |
SnoJax II |
NO | YES | NO |
SnowBreaker |
YES | YES | YES |
 SnowCatcher |
NO | YES | YES |
 SnoCleat PBR |
YES | YES | YES |
 SnoCleat 2.67 |
NO | NO | NO |
 SnoBar PBR |
YES | YES | YES |
 ColorBar PBR |
YES | YES | YES |
 SnoBar 2.67 |
NO | NO | NO |
 ColorBar 2.67 |
NO | NO | NO |
PBM, PBR, and Superior Rib each provide usable flat mounting areas. Still, their different rib configurations determine which pad-style guards and rail brackets fit correctly.
SnoCleat 2.67, SnoBar 2.67, and ColorBar 2.67 do not fit these ACI profiles because those systems require 2.67-inch corrugated panel geometry. For adhesive installations, follow SureBond SB-190 cure requirements and do not use the adhesive on copper roofing.
ACI Building Systems Snow Guard Buying Checklist
- Confirm the exact ACI Building Systems panel name before selecting any snow-retention product.
- Identify the roof type: standing seam, concealed fastener, exposed fastener, PBR-style, or corrugated.
- Verify the attachment method: adhesive, screw-down, clamp-on, PBR bracket, or 2.67 corrugated bracket.
- Check the ground snow load. Individual adhesive-mounted or screw-down guards generally suit lighter snow-load projects, while higher loads often require rail systems.
- Request a layout instead of placing products only above isolated areas such as doors, chimneys, walkways, or HVAC equipment.
- Order samples or single units when you need to confirm a test fit. SnoBlox-Snojax products and components have no minimum-order requirement.
Related Resources
Need Help Identifying Your ACI Building Systems Panel?
If you are not sure which ACI Building Systems panel you have, carefully compare the panel profile, review the two detailed ACI Building Systems blog posts linked above, and order a single test-fit unit before committing to a full project. For project-specific help, contact SnoBlox-Snojax at support@snojax.com or call 1-800-766-5291.
Do you have a metal roof from a different manufacturer?
Visit our "Snow Guard Compatibility by Roof Manufacturer" resource page for detailed information on which snow guards and snow retention systems are compatible with your metal roof.
Compatibility Guidance Note
SnoBlox-Snojax bases the compatibility information presented in this guide on product testing and field experience with ACI Building Systems metal roof panel profiles. Panel manufacturers periodically update profile specifications, and individual project variables, such as seam condition, coating type, and installation method, can affect outcomes. Customers are encouraged to confirm current panel specifications directly with ACI Building Systems and to contact SnoBlox-Snojax with project-specific questions before ordering.
Snow Guards for ACI Building Systems Steel Roofing Panels – Compatibility & Installation FAQ
The correct snow guard depends on the specific ACI Building Systems roof panel. SnapLok®, StratoShield®, and UltraLok® standing seam panels typically work with compatible adhesive-mounted polycarbonate snow guards and non-penetrating clamp-on rail systems. PBM, PBR, and Superior Rib exposed fastener panels support different combinations of adhesive-mounted guards, screw-down snow guards, SnowCatcher products, SnoCleat systems, and PBR-style rail systems.
Yes, but only if the seam profile is compatible. Clamp-on systems should never be forced onto an incompatible seam. We recommend identifying the exact panel profile and performing a test fit before purchasing a complete snow retention system.
No. Screw-down snow guards should not penetrate concealed-fastener standing-seam panels. Use compatible clamp-on systems or adhesive-mounted polycarbonate snow guards instead.
Depending on the panel profile, compatible adhesive-mounted options may include EcoJax, SnoBlox Deuce, SnoBlox Ace, IceJax I, IceJax II, SnoJax I, SnoJax II, and SnowBreaker. Always verify compatibility with your specific roof panel before ordering.
Although all three are exposed fastener roof panels, they use different rib configurations, panel dimensions, and mounting surfaces. Because of these differences, certain snow guards and rail systems may be compatible with one profile but not another. Always verify compatibility with the specific panel before selecting a snow retention system.
No. Snow guards should not be installed only in isolated areas. Proper spacing and row placement across the roof distribute snow loads more effectively and provide better long-term snow retention performance.
Yes. Individual snow guards often perform well in lighter-snowload regions. In contrast, heavier snow loads frequently require a rail-style snow retention system. Roof slope, roof length, ground snow load, and building occupancy should all be considered when selecting the appropriate system.
Compare your roof panel with the profile drawings and photographs in our ACI Building Systems compatibility guides. If you are still unsure, contact us with measurements and photos or order a sample to verify compatibility before purchasing a complete snow retention system.
Yes. We offer individual snow guards and sample components with no minimum order requirement, allowing you to verify compatibility before purchasing a complete snow retention system.