Price: $295.00
Item #TDE-70870-L16
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Description
The Tie Down 70870-L16 Commercial Roof Anchor is a fixed-post, screw-on anchor designed for permanent fall arrest use in commercial roofing. It features an 18 in riser and a 16 in × 16 in galvanized steel base plate with pre-drilled holes for mounting to wood, metal, or concrete. The anchor posts through the roof membrane and remains accessible after installation for safe tie-off and integration into horizontal lifeline systems.
Key Features
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18 in riser, screw-on commercial roof anchor
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16 in × 16 in galvanized steel base with 3/8 in thickness
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Compatible with wood, metal, and concrete substrates
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Designed to integrate with horizontal lifeline systems
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Rated ultimate strength of 5,000 lb, supports 420 lb working load
Specifications
- SKU: 70870-L16
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Product name: 18 in Screw-On Commercial Roof Anchor (16 in × 16 in base)
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Riser height: 18 in
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Base dimensions: 16 in × 16 in
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Base thickness: 3/8 in
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Material: galvanized steel
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Mounting type: screw / bolt-on
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Compatible substrates: wood, metal, concrete
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Ultimate strength rating: 5,000 lb (any direction)
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Working load (worker + tools): 420 lb per installation instructions
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Fastener counts: 40 holes for wood/metal; 8 for concrete applications
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Weight: 41 lb (per product page listing)
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Warranty: 1 Year Limited
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Country of origin: USA
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Standards / compliance: meets or exceeds OSHA 1926 Subpart M, OSHA 1910, ANSI Z359.1, ANSI A10.32 when installed per instructions
How To
- Position the base plate over the roof surface in a structurally sound area.
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Drive the mounting screws/bolts through the pre-drilled holes into the substrate (use the 40 holes for wood/metal or 8 holes for concrete as instructed).
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Torque all fasteners to specification and confirm that the base sits flush against the surface.
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Pull the riser post through the roof membrane and seal appropriately per roofing protocols.
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Connect fall arrest lanyards or lifelines to the anchor point.
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Inspect all connections, fasteners, and the anchor annually and before use.
FAQs
Q: What is the ultimate strength of the 70870-L16 anchor?
A: It is rated for an ultimate strength of 5,000 lb.
Q: What is the allowable working load (worker + tools)?
A: 420 lb when installed according to the manufacturer’s instructions.
Q: What substrates can this anchor be used with?
A: It is compatible with wood, metal, and concrete substrates.
Q: How many fasteners are required for wood/metal versus concrete?
A: 40 for wood/metal installations; 8 for concrete applications.
Q: What is the weight of the anchor?
A: 41 lb.
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