70? x 120? BA-LML Insulated Metal Attic Ladder - 350 lbs. Load Capacity
The 70? x 120? BA-LML Insulated Metal Attic Ladder is a high-performance, three-section folding metal ladder designed to pair heavy-duty strength with energy-efficient attic access. Rated for a 350-pound load capacity, this ladder features a piston-assisted unfolding system for smooth, effortless operation and 5-inch deep, non-slip metal steps for maximum comfort and safety.
Equipped with an insulated door providing an R-value of 5.2, a perimeter weather-seal gasket, concealed hardware, and a paintable white finish, the BA-LML integrates seamlessly into your ceiling. It includes a built-in ladder-unloading mechanism with an integrated handrail, quick-install ceiling brackets, and telescopic adjustable ends with rubber caps for precise floor fitting.
Suitable for ceiling heights up to 10 feet 3 inches, it is backed by a 2-year warranty.
Why 70? x 120? BA-LML Insulated Metal Attic Ladder - 350 lbs. Load Capacity?
Piston-assisted unloading mechanism and integrated handrail allow smooth, lightweight opening and closing.
Features extra-deep 5-inch treads for maximum stability and secure footing while carrying items.
R-5.2 insulation core and perimeter weather-seal block drafts to prevent energy loss.
Heavy-duty metal hinge design built to support frequent, long-term residential or commercial use.
Concealed hardware, white metal trim, and a paintable door flush-mount seamlessly into your ceiling.
Need help confirming whether the BA-LML is a good fit for your project? Contact our product specialists to verify its dimensions and common applications before ordering.
Key Product Specifications
Rough Opening: 70? x 120?
Type: 3-section folding metal attic ladder
R-Value: 2
Load Capacity: 350 lbs
Insulation Thickness: 1 3/8
Ceiling Height: Generally, up to 10 feet 3 inches
Tread Depth: 5 deep, non-slip metal steps
Door Finish: Insulated door with white, paintable finish & weather-seal gasket
Fire Rating: Non-rated
Warranty: 2-year warranty
What Comes Standard and What Can Be Configured?
Every BA-LML ships with the following as standard:
Three-section folding metal ladder with 5" deep non-slip steps
Piston-assisted unfolding system & ladder unloading mechanism with built-in handrail
Insulated door (R-5.2) with weather-seal gasket and white metal trim
Quick-mount installation brackets
Telescopic adjustable ends with protective rubber feet
The following can be specified or added:
Safety balustrade and additional handrails
Frame trim
Custom sizing options where available
Need a different size, material, or configuration? While the BA-LML is offered in a standard configuration, our team will help you explore custom access solutions for your project requirements.
What to Know About Rough Opening and Installation Requirements?
Required Rough Opening
The BA-LML fits into a ceiling opening cut to the exact size listed in the instruction book for your ceiling height. Confirm the opening, ceiling height, and available swing and landing space before installation.
Installation Notes
Pre-Assembled & Bracketed: Includes specialized mounting brackets that allow for fast, precise positioning in the rough opening.
No Visible Fasteners: Once installed, no fixing hardware is visible on the finished ceiling side.
Telescopic Leg Adjustment: Adjustable telescopic ends with rubber feet allow easy fine-tuning to fit your exact floor-to-ceiling height securely.
Clearance Needed: Ensure sufficient floor space is clear for the 3-section ladder to unfold smoothly
Who Specifies BA-LML and Where Is It Used?
The BA-LML is typically specified by builders, remodelers, general contractors, and homeowners who need reliable, energy-conscious attic access.
Common applications include:
Residential attic access
Garage and utility attic access
Light-commercial storage access
Renovations and new construction
Conditioned homes needing insulated access
Purchase access solutions regularly? Join Pro Club, a membership program for contractors and facility professionals. Members receive contractor pricing, priority support, extended return periods, and exclusive resources that make purchasing and project planning easier.
Frequently Asked Questions About Insulated Metal Attic Ladder - 350 lbs. Load Capacities
What load can the BA-LML hold?
It is rated for a 350-pound load capacity.
What makes the BA-LML easier to operate than standard attic ladders?
It incorporates a piston-assisted unfolding system and an unloading mechanism with an integrated handrail, making opening and closing smooth and lightweight.
Is it insulated?
Yes. The insulated door with a weather-seal gasket helps reduce energy loss at the attic opening.
What size ceiling height does it accommodate
It generally fits ceiling heights up to 10 feet 3 inches and features telescopic ends to adjust the length accurately to the floor.
Is it fire-rated?
No. The BA-LML is an insulated (non-rated) metal ladder. For a fire-rated metal ladder, consider the LMF model.
Why buy attic ladders from Best Access Doors instead of a general marketplace?
Best Access Doors specializes exclusively in access solutions, so you get direct access to product specialists who can confirm sizing, wall fit, and options for your application.
Get a Durable Metal Attic Ladder for Your Project
The BA-LML delivers energy-efficient attic access and draft control while supporting safe climbing with a 350-lb capacity and extra-deep non-slip steps. Featuring durable folding metal construction, a piston-assisted mechanism, and adjustable telescopic feet, it is engineered for smooth, effort-free operation in residential and light-commercial spaces.
When youre ready to move forward, call +1-888-327-5471 or request a quote. From product questions to order support, our team is ready to provide responsive, knowledgeable service at every step.
Product Downloads
Spec Sheet
BA-LML
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Real Reviews From Real Customers
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