Manufacturer

Tie Down, Inc.

Tie Down, Inc. — operating as Tie Down Engineering — is a 100% USA-manufactured safety products and fall protection manufacturer headquartered in Atlanta, Georgia, producing rooftop guardrail systems, mobile fall protection systems, roof anchors, horizontal lifeline components, and construction access safety products from an 825,000-square-foot facility using advanced domestic manufacturing capabilities including CNC laser cutting, robotic welding, and powder coating. Founded in 1969 by Chuck MacKarvich and family-owned for over five decades, Tie Down Engineering brings more than 95 patents and 7,000 products to the construction safety market under an ISO 9001:2015 certified quality management system — with every product manufactured in the United States. Find Scaffold Exchange vendors carrying Tie Down Engineering products near your project on the map.

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About Tie Down Engineering

Definition: Tie Down Engineering is a family-owned American manufacturing company established in Atlanta, Georgia in 1969, specializing in engineered safety products, fall protection systems, guardrail systems, and construction access safety equipment manufactured entirely in the United States from its Atlanta production facility. Tie Down Engineering operates from over 825,000 square feet of ISO 9001:2015 certified manufacturing space encompassing nine warehouses in Atlanta, with all engineering, design, manufacturing, quality control, logistics, and customer service functions handled in-house — a vertically integrated domestic manufacturing model that gives the company direct control over product quality, lead times, and the engineering customization that complex safety applications require. The company's product portfolio spans over 7,000 items supported by more than 95 patents, with the construction safety segment — rooftop guardrails, mobile fall protection systems, roof anchors, horizontal lifelines, and construction access products — representing the product lines most directly relevant to scaffold contractors, roofing contractors, and construction safety professionals who source Tie Down Engineering products through Scaffold Exchange.

Tie Down Engineering's manufacturing heritage traces to founder Chuck MacKarvich's original ground anchor designs in 1969 — products that addressed practical construction safety needs through engineering-first design rather than cost-minimized commodity manufacturing. That engineering orientation has driven the company's investment in advanced domestic manufacturing technology: Tie Down was among the first manufacturers in the Southeast to adopt robotic welding in the early 1980s, among the first to implement CNC sheet laser cutting in the early 1990s — a technology that enabled complex product geometries impossible with the hard tooling that preceded it — and an early adopter of 3D modeling and finite element analysis (FEA) when those design tools were still emerging. The result is a manufacturing capability that can produce precision-engineered safety products at commercial scale with the domestic supply chain control that Buy American requirements, government procurement preferences, and supply chain resilience increasingly demand.

For scaffold contractors and construction safety professionals evaluating Tie Down Engineering products, the 100% USA manufacturing origin carries procurement value beyond patriotic preference: domestic production means no Section 301 tariff exposure on Chinese-origin goods, no Build America Buy America compliance risk on federally funded projects subject to the Infrastructure Investment and Jobs Act's domestic content requirements, and no ocean freight lead time variability that affects project scheduling. Tie Down Engineering's ISO 9001:2015 certification provides an independently audited quality management framework that validates the manufacturing process discipline behind its safety products.

Tie Down Engineering Product Lines for Scaffold and Construction Safety

Tie Down Engineering's construction safety product portfolio addresses rooftop fall protection, perimeter guardrail, horizontal lifeline systems, mobile fall protection, roof anchors, and construction access safety — the product categories where scaffold contractors and safety professionals most commonly source Tie Down products.

Guardrail

Universal Guardrail Systems

Tie Down Engineering's Universal Guardrail line provides passive fall protection at rooftop perimeters, floor edges, and elevated work platforms — manufactured in galvanized and powder-coated safety yellow finishes and engineered to fit over 95% of competitor guardrail bases available in the market. The universal compatibility of Tie Down's guardrail rails with third-party bases reduces procurement complexity for contractors who have invested in existing base inventory from other manufacturers. Guardrail systems meet the passive fall protection requirements of OSHA 29 CFR 1926.502(b) for construction and 29 CFR 1910.29 for general industry.

WebRail

WebRail Portable Fall Arrest and Tensioned Guardrail System

The WebRail is Tie Down Engineering's patented portable fall arrest and tensioned guardrail system — a deployable horizontal lifeline and guardrail combination that provides fall protection on rooftops and elevated work areas where conventional rigid guardrail installation is impractical or where active fall arrest protection is required alongside passive guardrail. The WebRail's tensioned cable design deploys rapidly across large rooftop areas, providing both fall arrest anchorage for workers with personal fall arrest systems and a visible physical barrier that passive cable guardrail provides. The system meets OSHA 1926.502 and relevant ANSI Z359 standards.

Mobile

PX5 Sentinel Mobile Fall Protection System

The PX5 Sentinel is Tie Down Engineering's premium penetrating mobile fall protection system — a heavy-duty wheeled cart that provides simultaneous fall protection for up to seven workers (five in fall arrest, two in fall restraint) at rooftop work areas where permanent anchors are not available. Weighing approximately 1,285 pounds with a 48-by-90-inch footprint, the PX5 Sentinel uses penetrating steel anchors that engage the roof substrate in the event of a fall load, providing a compliant fall arrest anchorage on concrete, EPDM, TPO, built-up, ISO, and PVC roofing systems. The system meets OSHA 1926.502 and ANSI/ASSE Z359.6 standards and ships job-site ready with locking toolbox, forklift pockets, flat-free tires, and a rolled goods rack.

Roof Anchors

Roof Anchors and Anchorage Posts

Tie Down Engineering manufactures a range of roof anchors and anchorage posts for permanent and temporary fall protection anchorage on commercial roofing systems — including screw-on base anchors compatible with wood, metal, and concrete substrates, and through-roof anchorage posts that extend through the roof membrane to provide accessible fall protection anchorage during and after construction. Tie Down roof anchors are engineered to meet the 5,000-pound anchorage strength requirement of OSHA 29 CFR 1926.502(d)(15) for personal fall arrest system anchorages.

Access

Step-N-Safe and Construction Access Products

The Step-N-Safe is Tie Down Engineering's extension ladder walk-through platform — a stabilizing attachment that mounts at the top of an extension ladder to provide a secure, stable surface for workers transitioning from the ladder to a roof or elevated platform, reducing the slip and fall risk at the ladder-to-roof transition that is one of the most common ladder fall scenarios. Compatible with Type II through Type IAA extension ladders, the Step-N-Safe addresses the access safety gap at the top of ladder runs that guardrail and fall arrest systems at the working level do not cover.

UCC System

Universal Compression Clamp Guardrail Base

Tie Down Engineering's Universal Compression Clamp (UCC) guardrail base provides a non-penetrating guardrail base solution for rooftop and elevated surfaces where penetrating anchors are prohibited or impractical — using compression clamping to secure the base to parapet walls, roof edges, and structural members without roof membrane penetration. The UCC base is compatible with Tie Down's Universal Guardrail rails and with third-party rail systems, providing a USA-manufactured base option for contractors building guardrail systems from mixed-source components.

Where Tie Down Engineering Products Are Used

Tie Down Engineering's safety products serve the full range of construction and facility maintenance programs where rooftop and elevated work platform fall protection is required.

Commercial roofing installation and maintenance — roofing contractors installing membrane, metal, and built-up roofing systems on commercial buildings where rooftop perimeter guardrail and mobile fall protection are required by OSHA 1926.502

HVAC, mechanical, and rooftop equipment maintenance — facility maintenance contractors performing rooftop equipment service where OSHA requires fall protection for workers within six feet of an unprotected roof edge

Solar panel installation — solar contractors installing rooftop photovoltaic systems on commercial and industrial buildings where rooftop fall protection must be maintained throughout the installation program without damaging the roof membrane

Scaffold contractor fall protection programs — scaffold contractors providing rooftop fall protection for their own erection and dismantling crews at scaffold access points, anchor installation locations, and outrigger beam positions

Commercial construction perimeter protection — general contractors and construction managers providing perimeter fall protection at roof levels, floor edges, and elevated decks on commercial building construction programs

Telecommunications and antenna maintenance — telecom contractors performing antenna, dish, and communications equipment maintenance at rooftop and elevated structure locations where fall protection must be deployed and recovered rapidly between service calls

Industrial facility roof maintenance — industrial facility operators performing routine maintenance at rooftop process equipment, exhaust fans, ductwork, and utility penetrations where OSHA 29 CFR 1910.29 general industry guardrail requirements apply

Government and federally funded construction programs — federal, state, and municipal construction programs where Buy American and Build America Buy America requirements specify domestically manufactured safety equipment and where Tie Down Engineering's 100% USA manufacturing satisfies those requirements without compliance risk

Tie Down Engineering vs. Other Safety Product Manufacturers

Tie Down Engineering's 100% USA manufacturing distinguishes it within the construction safety product market — here is how it compares to other manufacturers in the scaffold and fall protection equipment landscape.

Tie Down, Inc. ← You are here

100% USA-manufactured fall protection and guardrail systems — Atlanta, GA

100% USA manufacturing — all products produced at Atlanta, GA facility with domestic materials and labor
Family-owned since 1969 — over five decades of engineering-first product development with 95+ patents and 7,000+ products
ISO 9001:2015 certified quality management system across 825,000+ sq ft of production space
Fall protection specialty — rooftop guardrail, mobile fall protection, roof anchors, horizontal lifelines, and construction access safety; not a scaffold frame manufacturer
Buy American and Build America Buy America compliant — no tariff or domestic content compliance risk

BrandSafway

USA, Germany, India, UK manufactured scaffold and safety systems

Multi-country manufacturing across USA, Germany, India, and UK — broader geographic production base but not exclusively domestic
Full scaffold system manufacturer alongside fall protection — frame scaffold, systems scaffold, and safety equipment in an integrated product portfolio
See the BrandSafway manufacturer page for details

Bil-Jax

Premier USA manufacturer — scaffold and aerial work platforms

Fellow premier USA manufacturer with domestic manufacturing emphasis — focuses on aerial work platforms and scaffold frames rather than fall protection specialty products
Complements Tie Down Engineering for contractors who source USA-manufactured scaffold equipment and fall protection from separate domestic specialists
See the Bil-Jax manufacturer page for details

A1 Plank

100% USA-manufactured scaffold planking

Fellow 100% USA manufacturer focused on scaffold planking rather than fall protection — the domestic plank source that complements Tie Down Engineering's domestic fall protection products for contractors building USA-manufactured scaffold and safety programs
See the A1 Plank manufacturer page for details

Find Tie Down Engineering Product Vendors Near You

Scaffold Exchange connects contractors and safety professionals with vendors carrying Tie Down Engineering guardrail systems, mobile fall protection, roof anchors, and construction access safety products near your project. Search the vendor map to find Tie Down product suppliers in your area.

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Sourcing Tie Down Engineering Products

Tie Down Engineering products are manufactured to meet the fall protection requirements of OSHA 29 CFR 1926.502 for construction and 29 CFR 1910.29 for general industry, with specific products engineered to ANSI/ASSE Z359 series fall protection standards — the voluntary industry standards that provide the detailed engineering requirements behind OSHA's performance-based fall protection mandates. OSHA's fall protection standards are performance-based rather than prescriptive product standards, meaning that compliance is established through the product's tested performance against the applicable load and geometry requirements rather than through OSHA product approval or certification — a distinction that applies to Tie Down Engineering products as to all fall protection equipment. Scaffold contractors and construction safety professionals sourcing Tie Down Engineering guardrail and fall protection products should confirm that the specific product's rated capacity, installation method, and anchorage requirements are appropriate for the specific application — roofing system type, edge geometry, worker count, and work scope — rather than assuming that any guardrail or fall protection product from a reputable manufacturer satisfies every application without configuration review. The 100% USA manufacturing origin provides compliance assurance for federally funded projects subject to Buy American requirements under the Federal Acquisition Regulation and Build America Buy America requirements under the Infrastructure Investment and Jobs Act — contractors on public projects should confirm the domestic content documentation that their contract's Buy American provision requires and verify that Tie Down Engineering can provide that documentation for the specific products specified.

Confirm the specific product's OSHA compliance basis — 1926.502 for construction fall protection, 1910.29 for general industry guardrail — and verify the applicable ANSI Z359 standard the product is tested and rated to
Verify the product's rated anchorage strength for personal fall arrest applications — OSHA 1926.502(d)(15) requires anchorages capable of supporting at least 5,000 pounds per attached worker
Confirm compatibility between Tie Down Engineering rail components and the specific guardrail base being used — Universal Guardrail rails are engineered to fit over 95% of competitor bases, but confirm fit for the specific base in use before purchasing rail components
For PX5 Sentinel mobile fall protection, confirm the roofing system type is within the product's rated applications — concrete, EPDM, TPO, built-up, ISO, and PVC roofing systems are rated; confirm with Tie Down Engineering for other roofing types
For federally funded projects with Buy American or Build America Buy America requirements, confirm Tie Down Engineering's domestic content documentation — 100% USA manufacturing supports compliance but the specific documentation format required varies by contract and agency
Verify ISO 9001:2015 certification currency for procurement programs that require quality management system certification from suppliers — Tie Down Engineering's ISO certification covers its Atlanta manufacturing operations
Confirm lead times for non-stock or high-volume orders through Scaffold Exchange vendors — Tie Down Engineering's domestic manufacturing provides supply chain predictability, but high-demand items may require advance ordering for large project requirements
Review product-specific installation and use instructions before deployment — fall protection equipment performance depends on correct installation, anchorage, and use consistent with the manufacturer's instructions and the applicable OSHA and ANSI standards

Manufacturer Tie Down
Engineering

100% USA Manufactured — Atlanta, GA — Est. 1969

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Frequently Asked Questions

Tie Down Engineering's construction safety product portfolio centers on fall protection and guardrail systems rather than scaffold frames or modular access systems. The product lines most relevant to scaffold contractors and construction safety professionals are: Universal Guardrail systems — steel guardrail rails in galvanized and powder-coated finishes designed to fit over 95% of competitor guardrail bases, used for passive fall protection at rooftop perimeters, floor edges, and elevated platforms; the WebRail portable fall arrest and tensioned guardrail system — a patented deployable horizontal lifeline and cable guardrail combination for rooftop applications; the PX5 Sentinel mobile penetrating fall protection system — a wheeled cart providing simultaneous fall arrest and restraint protection for up to seven rooftop workers on concrete, EPDM, TPO, and other commercial roofing systems; roof anchors and anchorage posts for permanent and temporary fall arrest anchorage on commercial roofing; Universal Compression Clamp guardrail bases for non-penetrating rooftop guardrail applications; and the Step-N-Safe extension ladder walk-through platform for safer ladder-to-roof transitions. The common thread is fall protection at rooftop and elevated work areas — a focus distinct from scaffold frame manufacturing but directly relevant to scaffold contractors whose crews access rooftops via scaffold and who must provide fall protection for their own erection workers at rooftop scaffold attachment points.

Tie Down Engineering's 100% USA manufacturing means that its products are designed, engineered, and manufactured entirely at its Atlanta, Georgia facility using domestic materials, domestic labor, and domestic manufacturing processes — from CNC laser cutting and robotic welding through powder coating, assembly, and quality control. No offshore production, subassembly, or component sourcing is involved in the finished product. For procurement, this origin has several practical implications. On federally funded projects subject to Buy American requirements under the Federal Acquisition Regulation or Build America Buy America requirements under the Infrastructure Investment and Jobs Act — which require that iron, steel, manufactured products, and construction materials used on covered infrastructure projects be produced in the United States — Tie Down Engineering products satisfy the domestic content requirement without the waiver request or domestic content calculation that partially domestic products require. On projects subject to Section 301 tariffs on Chinese-origin goods, Tie Down Engineering products carry no tariff surcharge that would affect pricing relative to competing Chinese-manufactured alternatives. For contractors managing supply chain risk, domestic manufacturing provides lead time predictability that ocean freight-dependent imported products cannot consistently offer — a meaningful scheduling advantage on projects where specific safety equipment must be on site before a work phase can begin. The ISO 9001:2015 certification of Tie Down Engineering's manufacturing operations provides an independently audited quality management framework that supports procurement qualification requirements that specify certified quality management systems from safety product suppliers.

The WebRail is Tie Down Engineering's patented portable fall arrest and tensioned guardrail system — a cable-based system that deploys across large rooftop areas to provide both a physical barrier and active fall arrest anchorage in situations where conventional rigid guardrail is impractical. Conventional rigid guardrail systems require base installation at regular intervals along the protected edge — a straightforward approach for straight rooftop perimeters with consistent geometry but less practical for large rooftop areas with irregular shapes, numerous penetrations, and equipment obstructions that would require extensive base placement to guard every edge. The WebRail's tensioned cable configuration allows it to cover large distances between anchorage points with a single cable run, providing a continuous fall arrest line and visible physical barrier across areas where multiple rigid guardrail sections would be required. The system is particularly effective for roofing and solar installation contractors who need to protect large, open rooftop work areas rapidly and recover the system quickly between job sites — the portable, rapidly deployable design reduces setup and teardown time relative to a rigid guardrail system of comparable coverage. The choice between WebRail and conventional rigid guardrail depends on the rooftop geometry, the duration of the work, and whether the fall protection requirement is for a specific edge (where guardrail is efficient) or for a large open area where workers may be near multiple unprotected edges as they move around (where the WebRail's area coverage is more efficient).

The PX5 Sentinel is Tie Down Engineering's premium mobile penetrating fall protection system — a heavy-duty wheeled cart that provides simultaneous fall arrest protection for up to five workers and fall restraint for two additional workers (seven total) at rooftop work areas where permanent anchors are not installed. The PX5's penetrating anchor design drives steel spikes into the roof substrate when a fall load is applied, providing a compliant 5,000-pound-per-worker anchorage capacity on concrete, EPDM, TPO, built-up, ISO, and PVC roofing systems without requiring pre-installed permanent anchors. For scaffold contractors, the PX5 Sentinel is most relevant for rooftop scaffold erection and dismantling crews who need fall arrest protection at the scaffold attachment points, outrigger beam positions, and anchor installation locations where they are working near unprotected roof edges before the scaffold's own guardrail system is in place. The PX5's mobility — it can be repositioned by forklift or manually towed — allows it to follow the erection crew around the roof perimeter as they install successive scaffold bays, providing continuous fall arrest coverage at the active work front without requiring the crew to install and remove permanent anchors at each position. The 48-by-90-inch footprint provides a stable working platform alongside the fall arrest function, and the integrated toolbox, rolled goods rack, and fire extinguisher holder reduce the separate equipment staging that rooftop crews otherwise manage independently.

Tie Down Engineering's Universal Guardrail rails are engineered to fit over 95% of the guardrail bases available in the construction safety market — a compatibility design that addresses the common contractor situation of having an existing inventory of guardrail bases from one manufacturer and needing to source additional rail components without replacing the entire base inventory. The universal fit is achieved through a rail end geometry and base socket configuration that matches the industry-standard guardrail post dimension used by most major guardrail base manufacturers — allowing Tie Down's USA-manufactured rails to drop into competitor bases without modification or adapter components. Contractors who have invested in guardrail base inventory from other manufacturers — and who want to transition to USA-manufactured rail components for Buy American compliance, tariff avoidance, or domestic content preference — can do so by sourcing Tie Down Universal Guardrail rails without replacing their existing base investment. The compatibility claim covers the vast majority of market-available bases but not every base from every manufacturer; contractors should verify fit with the specific base model in their inventory before ordering large quantities of Tie Down rail components for a program, particularly for bases from specialty or regional manufacturers whose socket dimensions may not match the industry standard that Tie Down's universal design targets.

Use the Scaffold Exchange vendor map to search by your project location and apply the Tie Down Engineering manufacturer filter to identify vendors who carry Tie Down products near you. Contact vendors directly through the platform to confirm availability of the specific product lines — Universal Guardrail, WebRail, PX5 Sentinel, roof anchors, UCC bases, or Step-N-Safe — and to request pricing and lead time for your project's volume and timeline requirements. For contractors building comprehensive USA-manufactured scaffold and safety programs, combine the Tie Down Engineering filter with the A1 Plank and Bil-Jax manufacturer filters to identify vendors who carry a full USA-manufactured product portfolio across scaffold planking, fall protection, and access equipment categories.