Fall Protection Strategies For HPM Building Supply Metal Roofs

Fall Protection Strategies For HPM Building Supply Metal Roofs

Posted by Howie Scarboro - CEO Fall Protection Distributors, LLC on Dec 16th 2025

See the Roof Anchor Compatibility Chart for HPM Building Supply Standing Seam Panels.

HPM Building Supply company logo. Image courtesy of www.HPMHawaii.com.

Who Is HPM Building Supply?

HPM Building Supply supports Hawaii's construction industry with locally focused manufacturing, deep material expertise, and more than a century of experience.

HPM Building Supply has played a central role in Hawaii's construction industry for over one hundred years. Built on a reputation for quality materials, practical innovation, and dependable service, HPM has grown into one of the state's most trusted sources for residential and commercial building products.

Today, HPM supplies everything from pro-grade lumber, trusses, and engineered framing components to custom metal roofing and pre-engineered wall panel systems. Their operations support contractors working on single-family homes, multi-unit developments, and commercial facilities, all with materials tailored to Hawaii's unique climate and building requirements.

With locations spread across the Hawaiian Islands, including specialized lumberyards and home design centers, HPM ensures builders have local access to the materials and support they need to keep projects moving. Recent expansion to Lānaʻi and the addition of a mainland distribution center in Washington further strengthen HPM's ability to serve both island and off-island construction demands.

Beyond materials, HPM also provides house plans and coordinated material packages for new home construction. This integrated approach helps builders and homeowners streamline planning, control costs, and reduce delays, reinforcing HPM's role as a long-term partner rather than just a supplier.

What Are The Most Compatible Fall Protection Products For HPM Standing Seam Roofs?

HPM standing seam roof panels require fall protection systems that protect workers without compromising panel performance.

Standing seam panels supplied by HPM depend on concealed fasteners, engineered seam profiles, and controlled thermal expansion to stay weather-tight in Hawaii's demanding coastal environment. The products outlined below accomplish that by clamping to seams or securing at the ridge rather than drilling through finished panels.

The SSRA1 Standing Seam Roof Anchor provides a non-penetrating tie-off point by clamping directly to the standing seam rib with non-penetrating set screws. This design avoids panel penetrations, prevents seam deformation, and eliminates the risk of damaging hidden clips beneath the metal. When properly matched to seam shape and panel gauge, the SSRA1 delivers dependable fall protection while preserving roof warranties and long-term performance.

When a stable working platform is needed, SSRA2 Adjustable Roof Jack Adapters mount on top of SSRA1 anchors and support walkboards. This setup allows crews to work comfortably on 6:12- to 12:12-sloped metal roofs. The SSRA2 adjusts for seam height and roof pitch, making it especially useful during installation, flashing work, and ongoing maintenance.

For projects that require workers to move freely across larger roof areas, SSRA3 Anchor Plates mount on top of SSRA1 anchors, creating a rigid attachment point for horizontal lifeline systems. These plates allow crews to remain continuously tied off while working across wider metal roofs without relocating anchors every few feet.

The SSRA HLL 100-foot Temporary Horizontal Lifeline Kit provides a complete multi-worker tie-off solution. This system quickly establishes a controlled work zone. It removes cleanly at the end of the project phase, leaving the standing seam panels free of penetrations or permanent hardware.

For buildings that require frequent service access, the Super Anchor 120-foot Permanent Horizontal Lifeline Kit provides a long-term fall protection solution for mechanically-seamed roofs. Permanent lifelines create predictable tie-off locations for future crews, reduce repeated setup and teardown, and help prevent improper anchor use over the life of the roof.

For HPM roof systems where seam-mounted anchors are not compatible, particularly lighter-gauge panels or non-steel substrates, the Ridge Pro Steep Assist provides an alternative approach. This ridge-mounted anchor hooks securely over the roof peak using an extension pole, allowing workers to connect a vertical lifeline before stepping onto the metal surface. The Ridge Pro works exceptionally well on roofs with pitches between 6:12 and 12:12 while keeping the roof surface completely free of penetrations.

Custom-Lock 2A – 2-inch Mechanical Lock Standing Seam Panel (SSRA Compatible)

HPM Building Supply Custom-Lock 2A panel. Image courtesy of www.HPMHawaii.com.

The Custom-Lock 2A is a mechanically seamed standing-seam roof panel designed for low-slope performance and high wind resistance.

The Custom-Lock 2A panel serves both architectural and structural roofing applications where strength, weather-tightness, and flexibility matter. This mechanically-seamed system features a full 2-inch rib height. It delivers excellent wind uplift resistance and long-term water control on roof slopes as low as ¼:12. See the Roof Anchor Compatibility Chart for HPM Building Supply 22 Gauge and 24 Gauge Custom-Lock 2A 2-inch Mechanical Lock Standing Seam Panels.

HPM manufactures the Custom-Lock 2A in a standard 12-1/4-inch coverage width, with additional widths available by special order. Panels can be roll-formed on-site to exact lengths, reducing waste and ensuring clean alignment on complex roof layouts. The panel installs over open steel purlins or solid substrates, making it a versatile option for a wide range of commercial and architectural projects.

Material options include 22-gauge and 24-gauge steel, as well as aluminum and copper. Optional surface treatments such as striations or stiffening ribs help control oil canning and enhance the finished appearance, especially on longer panel runs.

Fall Protection For Custom-Lock 2A Panels

Fall protection compatibility for Custom-Lock 2A panels depends on panel material, seam style, and roof pitch.

For Custom-Lock 2A panels fabricated from 22-gauge or 24-gauge steel, SSRA seam-mounted fall protection products provide a reliable, non-penetrating solution. The SSRA1 Standing Seam Roof Anchor clamps directly to the mechanically seamed rib without drilling holes or deforming the panel, creating a secure tie-off point while preserving the roof's structural performance and weather-tight seal.

When crews need stable footing during installation or inspection work, SSRA2 Adjustable Roof Jack Adapters mount on top of SSRA1 anchors and support walkboards. This setup allows workers to maintain a level working surface without placing unnecessary stress directly on the panels. For applications that require continuous movement or multi-worker access, SSRA3 Anchor Plates mount on top of SSRA1 anchors and provide a rigid attachment point for temporary horizontal lifeline systems.

For larger roof areas that require maximum worker mobility, the SSRA HLL 100-foot Temporary Horizontal Lifeline Kit allows multiple workers to remain tied off while moving efficiently across the roof. On buildings that require ongoing service access, the Super Anchor 120-foot Permanent Horizontal Lifeline Kit provides a long-term solution that establishes consistent tie-off locations and reduces repeated setup over the life of the roof.

For aluminum and copper versions of the Custom-Lock 2A panel, seam-mounted anchorage is not compatible. On roof pitches between 6:12 and 12:12, the Ridge Pro Steep Assist provides a ridge-mounted, non-penetrating tie-off solution. This system allows workers to connect a vertical lifeline before stepping onto the metal surface while keeping the panels completely free of penetrations.

Custom-Lock 2 – 2-inch Mechanical Lock Standing Seam Panel (SSRA Compatible)

HPM Building Supply Custom-Lock 2 panel. Image courtesy of www.HPMHawaii.com.

The Custom-Lock 2 is a mechanically seamed standing-seam roof panel designed for structural performance on very low-slope roofs.

The Custom-Lock 2 panel supports both architectural and structural applications where strength, weather-tightness, and wind resistance are critical. This mechanically-seamed system features a full 2-inch rib height. It performs on roof slopes as low as ¼:12, making it a strong option for commercial and industrial projects exposed to demanding weather conditions. See the Roof Anchor Compatibility Chart for HPM Building Supply 22 Gauge and 24 Gauge Custom-Lock 2 2-inch Mechanical Lock Standing Seam Panels.

HPM manufactures the Custom-Lock 2 in a standard 12-inch coverage width, with additional widths available by special order. Panels can be roll-formed on site to exact lengths, allowing installers to dial in fit and alignment while minimizing waste. The panel installs over open steel purlins or solid substrates, giving designers flexibility across a wide range of roof assemblies.

Material options include Zincalume aluminum-zinc coated steel in 22-gauge and 24-gauge, along with aluminum and copper. Optional face treatments such as striations or stiffening ribs help control oil canning and enhance the finished appearance, particularly on longer panel runs. Performance testing confirms strong resistance to air and water infiltration, reinforcing the panel's reputation for long-term durability.

Fall Protection For Custom-Lock 2 Panels

Fall protection compatibility for Custom-Lock 2 panels depends on panel material, seam style, and roof pitch.

For Custom-Lock 2 panels fabricated from 22-gauge or 24-gauge steel, SSRA seam-mounted fall protection products provide a reliable, non-penetrating solution. The SSRA1 Standing Seam Roof Anchor clamps directly to the mechanically seamed rib without drilling holes or deforming the panel, creating a secure tie-off point while preserving the roof's structural integrity and weather-tight seal.

When crews need stable footing during installation or inspection work, SSRA2 Adjustable Roof Jack Adapters mount on top of SSRA1 anchors and support walkboards. This setup allows workers to maintain a level working surface without placing unnecessary stress on the panels. For applications that require continuous movement or multi-worker access, SSRA3 Anchor Plates mount on top of SSRA1 anchors and provide a rigid attachment point for horizontal lifeline systems.

For larger roof areas or extended installation phases, the SSRA HLL 100-foot Temporary Horizontal Lifeline Kit allows multiple workers to remain tied off while moving efficiently across the roof. On buildings that require ongoing service access, the Super Anchor 120-foot Permanent Horizontal Lifeline Kit provides a long-term solution that establishes consistent tie-off locations and reduces repeated setup over the life of the roof.

For aluminum and copper versions of the Custom-Lock 2 panel, seam-mounted anchorage is not compatible. On roofs with pitches between 6:12 and 12:12, the Ridge Pro Steep Assist offers a ridge-mounted, non-penetrating tie-off solution that allows workers to connect a vertical lifeline before stepping onto the metal surface.

Custom-Lock 1.5 – 1.5-inch Mechanical Lock Standing Seam Panel (SSRA Compatible)

HPM Building Supply Custom-Lock 1.5 panel. Image courtesy of www.HPMHawaii.com.

The Custom-Lock 1.5 is a mechanically seamed standing seam roof panel that balances structural strength with a lower-profile seam.

The Custom-Lock 1.5 panel supports both architectural and structural roofing applications. This mechanically seamed system features a 1.5-inch rib height. It delivers substantial resistance to wind uplift and water intrusion, making it well-suited for commercial and industrial projects. See the Roof Anchor Compatibility Chart for HPM Building Supply 22 Gauge and 24 Gauge Custom-Lock 1.5 – 1.5-inch Mechanical Lock Standing Seam Panels.

HPM manufactures the Custom-Lock 1.5 in a standard 14-inch coverage width, with additional widths available by special order. Panels can be roll-formed on site to exact lengths, helping installers achieve precise alignment while reducing material waste. The panel installs over open steel purlins or solid substrates, providing flexibility across a wide range of roof assemblies.

Material options include Zincalume aluminum-zinc coated steel in 22-gauge and 24-gauge, along with aluminum and copper. Optional face treatments such as striations and stiffening ribs help control oil canning and improve the finished appearance, especially on longer panel runs.

Fall Protection For Custom-Lock 1.5 Panels

Fall protection compatibility for Custom-Lock 1.5 panels depends on panel material, seam style, and roof pitch.

For Custom-Lock 1.5 panels fabricated from 22-gauge or 24-gauge steel, SSRA seam-mounted fall protection products provide a reliable, non-penetrating solution. The SSRA1 Standing Seam Roof Anchor clamps directly to the mechanically seamed rib without drilling holes or deforming the panel, creating a secure tie-off point while preserving the roof's weather-tight seal.

When crews need stable footing during installation or inspection work, SSRA2 Adjustable Roof Jack Adapters mount on top of SSRA1 anchors and support walkboards. This setup allows workers to maintain a level working surface without placing unnecessary stress on the panels. For applications that require continuous movement or multiple workers, SSRA3 Anchor Plates mount on top of SSRA1 anchors and provide a rigid attachment point for horizontal lifeline systems.

For larger roof areas or extended installation phases, the SSRA HLL 100-foot Temporary Horizontal Lifeline Kit allows multiple workers to remain tied off while moving efficiently across the roof. On buildings that require ongoing service access, the Super Anchor 120-foot Permanent Horizontal Lifeline Kit provides a long-term solution that establishes consistent tie-off locations and reduces repeated setup over the life of the roof.

For aluminum and copper versions of the Custom-Lock 1.5 panel, seam-mounted anchorage is not compatible. On roofs with pitches between 6:12 and 12:12, the Ridge Pro Steep Assist offers a ridge-mounted, non-penetrating tie-off solution that allows workers to connect a vertical lifeline before stepping onto the metal surface.

Shur-Lock – 1.75-inch Snap Lock Standing Seam Panel (SSRA Compatible)

HPM Building Supply Shur-Lock 1.75 panel. Image courtesy of www.HPMHawaii.com.

The Shur-Lock is a snap-lock standing seam roof panel that blends architectural appearance with commercial-grade strength.

The Shur-Lock panel delivers the clean lines of an architectural snap-lock system while offering the structural performance typically associated with heavier commercial profiles. With a nominal 1.75-inch seam height, this panel works well on both residential and commercial projects where durability, wind resistance, and appearance all matter. See the Roof Anchor Compatibility Chart for HPM Building Supply 22 Gauge and 24 Gauge Shur-Lock 1.75-inch Snap Lock Standing Seam Panels.

HPM manufactures the Shur-Lock panel in standard 12-inch and 16-inch coverage widths, with additional widths available by special order. Panels can be roll-formed on site to exact lengths, allowing installers to achieve precise alignment and reduce waste on complex roof layouts. The system installs over solid decking or open framing and requires a minimum roof slope of 3:12.

Material options include Zincalume aluminum-zinc coated steel in 22-gauge and 24-gauge, along with aluminum and copper. Optional face treatments such as striations or stiffening ribs help control oil canning and enhance the finished appearance, particularly on longer panel runs. The Shur-Lock panel is rigorously tested for wind uplift and weather resistance, making it a dependable choice in demanding environments.

Fall Protection For Shur-Lock Panels

Fall protection compatibility for Shur-Lock panels depends on panel material, seam style, and roof pitch.

For straight-run Shur-Lock panels fabricated from 22-gauge or 24-gauge steel, SSRA seam-mounted fall protection products provide a reliable, non-penetrating solution. The SSRA1 Standing Seam Roof Anchor clamps directly to the snap-lock seam without drilling holes or deforming the panel, creating a secure tie-off point while preserving the roof's weather-tight performance.

When crews need stable footing during installation or inspection work, SSRA2 Adjustable Roof Jack Adapters mount on top of SSRA1 anchors and support walkboards. This setup allows workers to maintain a level working surface without placing unnecessary stress on the panels. For applications that require continuous movement or multiple workers, SSRA3 Anchor Plates mount on top of SSRA1 anchors and provide a rigid attachment point for horizontal lifeline systems.

For larger roof areas or extended installation phases, the SSRA HLL 100-foot Temporary Horizontal Lifeline Kit allows multiple workers to remain tied off while moving efficiently across the roof. On buildings that require ongoing service access, the Super Anchor 120-foot Permanent Horizontal Lifeline Kit provides a long-term solution that establishes consistent tie-off locations and reduces repeated setup over the life of the roof.

For aluminum- and copper-versions of the Shur-Lock panel, seam-mounted anchorage is not compatible. On roofs with pitches between 6:12 and 12:12, the Ridge Pro Steep Assist provides a ridge-mounted, non-penetrating tie-off solution that allows workers to connect a vertical lifeline before stepping onto the metal surface.

Tropic-Lock Nailstrip Standing Seam Panel (Ridge Pro Only)

HPM Building Supply Tropic-Lock panel. Image courtesy of www.HPMHawaii.com.

The Tropic-Lock is a nailstrip standing seam roof panel designed for fast installation and clean architectural results.

The Tropic-Lock panel features a concealed-fastener design that simplifies installation while delivering the finished appearance expected from architectural standing-seam systems. This profile features a 1-inch rib height and uses an interlocking nailstrip seam that eliminates the need for separate clips while still allowing controlled thermal movement. See the Roof Anchor Compatibility Chart for HPM Building Supply 22 Gauge and 24 Gauge Tropic-Lock Nailstrip Standing Seam Panels.

HPM manufactures the Tropic-Lock panel in a standard 14-inch coverage width, with additional widths available by special order. Panels can be roll-formed on site to exact lengths and installed over solid decking, making them well-suited for residential roofs, light commercial projects, mansards, and fascia applications.

Material options include Zincalume aluminum-zinc coated steel in 22-gauge and 24-gauge, along with aluminum and copper. Optional face treatments, such as striations and stiffening ribs, help improve appearance and control oil canning on longer panel runs. The Tropic-Lock panel has been performance tested for wind and weather resistance, supporting its use across a wide range of roofing applications.

Fall Protection For Tropic-Lock Panels

Fall protection for Tropic-Lock panels is limited to ridge-mounted systems due to the nailstrip seam design.

The nailstrip seam used on the Tropic-Lock panel does not provide a suitable clamping surface for seam-mounted fall protection anchors. Products that clamp to the seam, including SSRA anchors, are not compatible and should not be used on this panel profile.

For Tropic-Lock roof installations with pitches between 6:12 and 12:12, the Ridge Pro Steep Assist provides the most appropriate non-penetrating fall protection solution. This ridge-mounted anchor hooks securely over the roof peak using an extension pole, allowing workers to connect a vertical lifeline before stepping onto the metal surface. The system keeps the panels completely free of penetrations while providing a dependable tie-off point on steeper roof slopes.

For any Tropic-Lock installation outside of this pitch range or involving complex roof conditions, a trained safety professional should evaluate the project and determine the most appropriate fall protection strategy before work begins.

Standing Seam Metal Roof Anchor Panel Compatibility For 22 Gauge HPM Building Supply

Standing Seam Metal Roof Anchor Panel Compatibility For 24 Gauge HPM Building Supply

 

Contact Us for Expert Standing Seam Fall Protection Advice

For expert guidance on standing seam roof anchors, lifeline kits, and fall protection systems that protect both your crew and your panels, contact us today at 863-703-4522 or visit www.StandingSeamRoofAnchor.com. Our safety specialists can help you match the right non-penetrating anchor to your specific roof profile and slope. Let's make your next metal roofing project safe, compliant, and built to last. For continued learning, download OSHA's 48-page Fall Protection Manual and our free Anchor Inspection Form once you've selected the ideal anchors for your roof system. Together, we'll help you stay ahead of OSHA standards while preserving your roof's weather-tight seal.

Safety Tips For Standing Seam Roofs

Use Specialized Anchor Systems for Standing Seam Roofs

Standing seam panels depend on engineered seams and concealed attachment to remain weather-tight. Non-penetrating anchors, specifically designed for these systems, protect workers without restricting thermal movement or damaging hidden clips. Using the right anchor eliminates guesswork and avoids crushed seams, leaks, and warranty issues that result from improper equipment choices.

Prioritize Ladder Safety Training

Many serious falls happen before a worker ever steps onto the roof. Improper ladder angle, unsecured ladder tops, uneven ground contact, and inconsistent three-point contact increase risk during the most vulnerable part of the job. A short ladder safety review before work begins often prevents injuries that derail an entire project.

Develop OSHA-Compliant Safety Plans

A jobsite runs smoother when everyone follows the exact safety roadmap. A written plan defines tie-off locations, walkboard placement, lifeline routing, and rescue responsibilities.

Ensure Proper Footwear for Stability

Metal roofing surfaces can change quickly with humidity, dust, or temperature shifts. Boots with aggressive tread, firm ankle support, and stable soles help workers stay balanced when moving across panels or carrying materials. Proper footwear reduces slips that no harness can prevent.

Promote a Culture of Safety

Safe jobsites start with communication, not equipment. Open daily discussions about access points, fall hazards, weather conditions, and tie-off plans help crews prevent accidents before work begins. Encouraging workers to speak up early creates a more predictable, controlled work environment for everyone involved.

Equip Workers with High-Quality Safety Gear

Well-fitted harnesses and responsive SRLs allow workers to move confidently across standing seam roofs. Gear that fits correctly stays comfortable throughout the day and keeps attention on the task, not on equipment concerns. OSHA reinforced in 2025 that employers must provide appropriately sized gear, and failing to do so puts both workers and companies at risk.

Install Permanent Roof Anchor Systems

Some roofs see repeated foot traffic for HVAC service, solar maintenance, or routine inspections. Permanent anchor systems provide consistent tie-off points every time crews return, reducing setup time and limiting roof wear. Over the life of the building, permanent systems improve safety while protecting the roof assembly.

Set Up Protective Guardrail Barriers for Work Zones

Guardrails offer constant, passive protection around skylights, roof edges, and equipment clusters. By creating defined boundaries, they allow crews to focus on installation tasks without constantly monitoring fall hazards. Guardrails turn high-risk areas into clearly controlled work zones.

Encourage the Use of Trauma Straps

After the PFAS arrests a fall, suspension trauma becomes the next concern. Trauma straps allow a suspended worker to stand in their harness and maintain circulation while rescue procedures are activated. These simple devices cost little, add minimal weight, and play a critical role during real-world rescue scenarios.

Consult Experts for Curved Metal Panels

Curved standing seam roofs introduce variables that standard fall protection cannot always address. A fall-protection specialist experienced with curved systems can determine which anchors and methods will work without damaging the roof. That extra evaluation protects workers, preserves the panel system, and prevents costly mistakes before work begins.

Disclaimer

The views, recommendations, and information presented in this blog are solely those of the author and do not necessarily reflect the opinions or positions of the featured panel manufacturer, its brands, subsidiaries, or parent companies. Customers are strongly encouraged to contact the roof panel manufacturer directly for inquiries regarding fall protection compatibility with their products and to address any potential warranty issues that may arise after installing our products.

Howie Scarboro, C.E.O. and co-founder of Fall Protection Distributors, L.L.C., recognized the need for continued improvements in roofing safety during the 2010 MetalCon show in Las Vegas. He joined forces with SnoBlox-Snojax, a leader in snow retention and seam clamping technology for metal roofs, to create the SSRA1 prototype. Tested by Gravitec for OSHA/ANSI certifications, the SSRA1 proved to be the industry's lightest, most robust, and most universal-fit anchor point for standing seam roofs. Fall Protection Distributors, L.L.C. was born in 2015, shaping the future of fall protection and instilling confidence in the industry.