Protect your people and your facility with reliable rooftop fall protection. DACO helps create safer rooftop work areas around edges, hatches, ladders, and skylights—reducing fall risks while supporting OSHA compliance and safer everyday operations.
Rooftop fall protection helps protect the people who keep your building running. DACO supplies Delta Prevention OSHA-compliant rooftop fall protection systems for commercial and industrial facilities through-out the Pacific Northwest.
From non-penetrating roof guardrails to protection around roof hatches, ladders, and skylights, we help you design systems that fit your building and the work performed on it. Delta Prevention’s aluminum, modular systems include permanent guardrail configurations designed to protect rooftop work areas without penetrating the roof membrane.
Start with the areas your employees and contractors need to access. Explore solutions for roof edges, equipment service areas, access points, and roof openings.
Protect roof edges where space is limited. The VSS Compact provides a space-saving solution for rooftops with HVAC equipment, parapets, or other obstructions. Designed for permanent use, it installs without penetrating the roof membrane.
Create permanent protection along roof edges and around rooftop work areas. The VSS Classic provides a modular, counterweighted guardrail system for individual sections or extended roof perimeters, with a low-profile design for reduced visual impact.
Help prevent falls into open roof hatches while improving access to the rooftop. These railing systems attach to the hatch without penetrating the roof membrane and include an aluminum self-closing safety gate and a grab handle to assist the entry and exit.
Provide protection where workers transition between a fixed ladder and the roof. Guardrail configurations extend alongside the ladder landing to help protect nearby roof edges and guide workers toward the rooftop work area. These systems address the landing, not fall protection during the ladder climb itself.
Create a physical barrier around skylights to help prevent workers from stepping onto a vulnerable roof-opening area. Modular, non-penetrating guardrails can be configured around different skylight sizes without drilling into the roof membrane.
Clearly identify designated rooftop work areas with a permanent warning line system. Where permitted, warning lines can support a fall protection strategy but are not physical barriers or universal substitutes for guardrails.
Improve stability at roof access points where extension ladders are used. Delta Prevention’s LADPT101 ladder stabilizer system is designed for compatible flat-roof configurations, with or without a parapet, and complements proper ladder positioning and safe access procedures.
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You invest in safer workflows inside your facility. The people maintaining your rooftop equipment deserve the same attention.
Consider an HVAC technician servicing a commercial building in Portland or a maintenance contractor inspecting equipment at a Washington manufacturing facility. Their work may require moving near an exposed edge, passing a skylight, or leaving a roof hatch open while accessing the work area. These hazards need to be considered together, not just at the outer roof perimeter.
The challenge is to provide appropriate protection without making routine maintenance unnecessarily complicated.
Wet surfaces, debris, snow, and ice can introduce additional hazards. A rooftop safety plan must address surface conditions and safe access as well as fall exposure. Guardrails do not remove the need to inspect the work area and determine whether work can proceed safely.
Make rooftop protection part of the building, not an afterthought each time someone needs access.
Protect workers without penetrating the roof membrane
Non-penetrating guardrails use counterweighted bases rather than roof-penetrating anchors. This approach avoids creating new penetration for the guardrail installation and helps preserve the existing roof membrane.
Simplify protection in guarded work areas
Properly configured guardrails provide a physical barrier without requiring each worker to connect to an anchor or lifeline to work safely. They reduce reliance on personal fall protection in the areas they adequately protect.
Choose materials suited to long-term rooftop use
Delta Prevention’s non-penetrating guardrails combine anodized aluminum rails and posts, recycled-rubber counterweight bases and hot-dipped galvanized and electroplated clamps. The modular design accommodates different roof layouts, including installations where space around equipment is restricted.
Whether you operate a single building or manage multiple properties, start by identifying who accesses the roof, where they travel, and which equipment they service.
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Based in Kent, Washington, DACO takes a consultative approach to facility projects. Start with your building layout, maintenance activities, and areas of concern. We will help identify suitable product options and discuss the next steps for your project.
Tell DACO where your building is located and what you need to protect. We will help you explore the appropriate Delta Prevention products and discuss the support available for your project.
Planning a rooftop safety upgrade in Seattle, elsewhere in Washington State, or Portland, Oregon?
Tell DACO which areas need attention. Whether you are addressing a roof hatch, protecting an equipment service area, or planning a larger guardrail installation, we will help you explore the right Delta Prevention solution for your project.
Have existing roof photos or drawings? Include them with your request to help us understand your building and the areas you need to protect.
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2023, 2024 & 2025 Winner of MHEDA Most Valuable Partner Award