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Premium Metal Attic Stairs & Access Solutions
Rainbow Attic Stair, manufactured by SP Partners LLC, has dedicated itself to crafting the highest quality metal attic stairs and access solutions for residential and commercial applications. With over two decades of specialized experience, our team engineered durable, innovative products designed to meet the evolving needs of modern construction and remodeling projects. Our product line features telescoping attic extension ladders, folding attic ladders, and specialized solutions like WallAccess vertical entry systems and remote-controlled Galaxy models. Each ladder incorporates heavy-duty steel components rated for 350-570 lb. capacity, energy-efficient insulation features, and safety-focused engineering principles.

We pioneered advancements in attic access technology, including patented rail systems and powder-coated finishes that eliminate the need for painting. Our ProTech series introduced industry-leading fire-rated configurations with 30-minute and 75-minute safety certifications. Through strategic partnerships like Shelter Products, we extend our expertise to traditional staircases and architectural elements while maintaining core focus on attic access innovation. Our customer-centric approach combines technical excellence with practical usability, ensuring solutions that meet both structural requirements and user comfort standards across diverse building environments.
Services
Telescoping Attic Stairs Folding Attic Ladders Fire-Rated Access Doors Remote-Controlled Models Vertical Entry Systems Loft Access Solutions Commercial Grade Ladders Insulated Door Systems Staircase Components Access Hardware
Highlights and features
  • We engineered the first powder-coated steel attic ladders requiring no painting
  • Our patented rail systems support 350-570 lb. weight capacities
  • ProTech series offers exclusive fire-rated configurations with 30-75 minute certifications
  • Remote-controlled Galaxy models provide automated attic access solutions
  • WallAccess vertical entry systems solve challenging architectural access requirements
Services
Telescoping Attic Stairs
Our telescoping attic stairs feature multi-section steel construction with patented locking mechanisms for secure height adjustment. Designed for residential and commercial applications, these ladders provide safe, space-efficient access to attic spaces while maintaining ceiling insulation integrity. The powder-coated finish resists corrosion and eliminates painting requirements for long-term durability.
Folding Attic Ladders
Engineered folding ladder systems offer ergonomic access solutions with compact storage capabilities. Available in multiple configurations, these ladders incorporate reinforced steel treads and spring-assisted mechanisms for smooth operation. The energy-efficient insulated doors maintain thermal performance when closed while supporting weight capacities up to 570 pounds during use.
Fire-Rated Models
ProTech series fire-rated attic stairs provide critical safety protection with 30-minute and 75-minute fire resistance certifications. These specialized systems integrate thermal barriers and intumescent materials to prevent flame spread while maintaining full functionality as access solutions during non-emergency conditions.
Remote-Controlled Models
Galaxy II remote-controlled attic ladders revolutionize access convenience with wireless operation. The motorized lifting system automatically deploys and retracts staircases while maintaining structural integrity and safety standards. This smart technology integration provides access for users with mobility challenges or difficult-to-reach installations.
Vertical Entry Systems
WallAccess vertical entry systems solve complex architectural challenges with innovative space-saving designs. These specialized ladders provide secure rooftop access through wall penetrations while maintaining weatherproof seals. The modular construction allows customization for commercial buildings with unique structural requirements and limited overhead clearance.
Questions
What types of attic stairs do you manufacture?
We produce telescoping attic stairs, folding attic ladders, fire-rated access doors, remote-controlled models, vertical entry systems, and specialized loft access solutions for residential and commercial applications.
What weight capacities do your ladders support?
Our standard models support 350 lb. capacity, with heavy-duty options rated for 570 lb. capacity across all stair treads and rail systems.
Are your products energy efficient?
Yes, our attic stairs feature insulated doors and weather stripping that maintain energy efficiency by preventing air leakage through attic access points.
Do you offer fire-rated attic access solutions?
Our ProTech series includes 30-minute and 75-minute fire-rated configurations that meet building code requirements for fire safety and compartmentalization.
How can I purchase Rainbow Attic Stair products?
Visit our 'Where To Buy' page to locate authorized dealers or contact our sales team directly for commercial orders and special requests.
Do you provide technical support for installations?
Yes, our customer service team offers installation guidance, technical specifications, and engineering support for all product lines during business hours.