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Roof Hatch Ladder Extension Post

Roof Hatch Ladder Extension Post

Roof Hatch Ladder Extension Post

$921.20


FREE SHIPPING
SKU BSPY

The Roof Hatch Ladder Extension Post ensures OSHA-compliant ladder access by extending 42 inches above the landing platform. Designed for roof hatches and floor doors, its spring-assisted telescoping mechanism mounts securely to the top two rungs of any fixed vertical ladder.

Features
• OSHA-Compliant Access
• Smooth, Assisted Operation
• Easy Ladder Mounting

  • Free Shipping
  • Need a written quote? Request Online
  • Questions?  Call (800) 604-5537

Specifications

Model BSP
Material 1-1/2" x 1-1/2" x 1/8" high strength square tubing with a pull-up loop at the upper end for raising the post.
  • Steel
  • Aluminum
  • Stainless Steel
Finish Powder coat (steel), Mill (aluminum), or 2B Matte (stainless steel)
Color Safety Yellow (steel)
Fittings Cast aluminum alloy with set screw hold
Balancing Spring Stainless steel constant force spring
Hardware Type 316 Stainless Steel
Warranty Five (5) years

Documents

To download product documents such as specs, shop drawings, warranty and installation information visit the Ladder Safety Post Document Download Page >

Shipping Time

  • All Roof Hatches ship for free (standard ground, see map)
  • Call: (800) 604-5537 for pricing and shipping questions.

Shipping estimates shown on the map pertain to this specific product only. Roof Hatch orders ship within 5 business days. Transit times displayed in the map are listed in business days, and are approximate. Transit times are subject to stock levels at regional warehouses.  The day that the order is shipped is not counted as a transit day.

Stratagrid Shipping Map
Buyer’s & Installer’s Guide

Roof Hatch Ladder Extension Post: Safer, OSHA-Oriented Egress (with Case Study)

Product: Roof Hatch Ladder Extension Post (Model BSP) · Extension: 42" above landing · Use With: Roof hatches & floor doors

The Roof Hatch Ladder Extension Post is a spring-assisted, telescoping handhold that rises 42 inches above the landing surface so technicians maintain three-point contact while stepping through a hatch. It clamps to the top two rungs of a fixed vertical ladder and retracts below the cover when not in use—keeping the path clear and the hatch fully closable.

Key Benefits
  • OSHA-compliant access: Provides a continuous grasp point at roof level for safer transitions.
  • Smooth operation: Stainless constant-force spring assists raising/lowering—even with gloves.
  • Easy mounting: Clamps to existing ladder rungs; no specialty ladder required.
Open roof hatch lid where a ladder extension post aids safe egress
Stable Grasp at Roof Level

What Is a Ladder Extension Post? (Plain-English)

Think of it as a pull-up safety post that gives workers a firm handle while they move from the ladder to the roof (and back). Extend it before stepping out; retract it after. A top pull loop makes it easy to deploy, and the assisted spring action prevents sudden drops.

Construction & Options

  • Tubing: 1-1/2" × 1-1/2" × 1/8" high-strength square tube with pull-up loop.
  • Materials: Steel (powder-coated safety yellow), Aluminum (mill), Stainless Steel (2B matte).
  • Fittings: Cast aluminum alloy with set-screw hold secures to rungs.
  • Spring: Stainless constant-force balancing spring for controlled travel.
  • Hardware: Type 316 stainless steel fasteners for corrosion resistance.
  • Warranty: Five (5) years.
Compact roof hatch opening showing clearance for a ladder extension post
Fits Fixed Vertical Ladders

How to Choose the Right Ladder Extension Post (Step-by-Step)

  1. Confirm ladder type & rungs: Works with fixed vertical ladders; verify the top two rungs match clamp spacing.
  2. Pick a material: Steel for value/visibility, Aluminum for low weight, Stainless for coastal or caustic sites.
  3. Check clearances: Ensure 42" extension clears the hatch cover, curb, and any rails.
  4. Fasteners: Use supplied 316 SS hardware; torque set-screws to spec.
  5. Usability test: With gloves on, verify smooth assisted lift, positive stop at height, and easy retraction.

Installer tip: Center the post on the ladder’s climb line so the user’s approach path stays natural and balanced.

Flat white warehouse roof where ladder extension posts improved safety at hatches
Warehouse Retrofit—High Visibility

Case Study: Regional Warehouse—Great Plains

Scenario: A 180,000 ft² warehouse relied on fixed ladders through multiple hatches. Near-miss reports cited awkward transitions at roof level, especially during winter maintenance when gloves were required.

Solution

  • Installed Roof Hatch Ladder Extension Posts (Model BSP) at six hatches serving HVAC and exhaust fans.
  • Selected steel, safety-yellow powder coat for visibility; used 316 SS hardware across all units.
  • Validated 42" extension height, set-screw torque, and constant-force spring action during commissioning.

Results

  • Safer transitions: Continuous grasp at the landing improved egress stability and worker confidence.
  • Time savings: Crews moved on/off the roof faster, reducing average access time during service calls.
  • Low upkeep: Corrosion-resistant hardware and balanced spring minimized adjustments in the first year.

Installation & Maintenance Essentials

  1. Mount: Clamp to the top two rungs; check plumb and alignment with the ladder centerline.
  2. Function test: Pull the loop to extend; confirm 42" height and positive stop; retract fully.
  3. Cycle the hatch: Open/close the cover to verify clearances with the post retracted.
  4. Train users: Post quick SOPs on three-point contact and deployment steps near the hatch.
  5. Maintain: Quarterly torque checks on set-screws, inspect spring action, and touch-up coatings as needed.

Frequently Asked Questions

Does the Ladder Extension Post fit my existing ladder?

Yes. It’s designed to securely clamp to the top two rungs of most fixed vertical ladders. Verify rung spacing and hatch clearances.

How high does it extend?

The post extends 42 inches above the landing surface to provide a stable, OSHA-oriented handhold at roof level.

Which material should I choose?

Steel for value and high-visibility yellow; Aluminum for lighter weight; Stainless for corrosive or coastal environments.

Is it OSHA compliant?

It supports OSHA-compliant egress by delivering a continuous grasp point at the landing when installed and used per instructions.

What’s the warranty?

Five (5) years under typical commercial service.