Eaton DB4148DS Dura-Blok Support Base - 1000 lbs
Part Number: DB4148DS
Quick Summary
Eaton DB4148DS is a Dura-Blok support base for rooftop framing and heavy-duty support systems. Engineers often struggle with wobble, corrosion, and mounting inconsistency in outdoor installations. There are no formal compliance certifications listed for this part, but its cast-iron construction and electro-plated finish deliver durable performance in demanding environments. Designed to integrate with Eaton's B-Line series and B22SH components, it enables reliable, long-life rooftop support. With a 1000 lb load rating and precise dimensions, it offers solid value for system integrators seeking robust, scalable support solutions for industrial facilities.
Product Information
Extended Description
DB4148DS Eaton: Eaton B-Line series Dura-Blok support base with B22SH, 10.56" H x 38.75" L x 43.5" W, Cast iron, 1000 Lbs load cap, Electro-plated
Product Name
Eaton B-Line series Dura-Blok support base with B22SH
Catalog Number
DB4148DS
UPC
782051507317
Product Length/Depth
38.75 in
Product Height
10.56 in
Product Width
43.5 in
Product Weight
42.65 lb
Compliances
Not Applicable
Certifications
Not Applicable
Load capacity
1000 lbs
Finish
Electro-plated
Material
Cast iron
Feature: Cast iron base with an electro-plated finish. Impact: Provides superior rigidity and corrosion resistance, reducing maintenance and replacement costs. Application: Ideal for outdoor rooftop supports in industrial facilities. Feature: Large footprint of 43.5 in width and substantial length of 38.75 in. Impact: Improves load distribution and stability for long-span rooftop applications. Application: Suitable for mounting arrays, equipment racks, and heavy conduit runs in B-Line systems. Feature: 1000 lb load capacity. Impact: Supports heavy equipment with a safety margin for future expansion. Application: HVAC, electrical gear, and mechanical installations in demanding environments. Feature: B22SH compatibility within Eaton’s B-Line series. Impact: Speeds installation and reduces engineering time by ensuring seamless integration. Application: Retrofit projects and new installations in commercial rooftops. Feature: Electro-plated finish and cast iron material. Impact: Extended service life in outdoor settings with lower maintenance needs. Application: Durable rooftop supports that resist corrosion and wear over time.
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FAQs
DB4148DS is designed to work within Eaton's B-Line series, including B22SH brackets. The base footprint (43.5 in W x 38.75 in L x 10.56 in H) and electro-plated cast-iron construction provide stable mounting for rooftop support systems, while the 1000 lb load rating ensures reliable performance with B22SH assemblies. Verify compatibility with your specific strut channel configuration.
Ensure proper anchoring to a solid substrate and use compatible hardware for a 1000 lb load rating. Verify that the B22SH connection is correctly seated and load is distributed evenly across the footprint. Follow Eaton installation guidelines from the DB4148DS datasheet and maintain clearances for thermal expansion and maintenance access.
Yes, the DB4148DS is designed for rooftop support with an electro-plated finish and cast iron construction that resist corrosion in outdoor environments. While the product listing notes Not Applicable for certifications, its durable materials support long service life in exposed settings when installed per Evo Eaton guidelines.
Maintenance is minimal; periodically inspect for coating wear, clean with mild detergent, and avoid abrasive cleaners. The electro-plated finish provides corrosion resistance, helping maintain appearance and strength. If the base shows signs of pitting or compromise, replace or re-coat to preserve load capacity.
Investing in the DB4148DS yields fewer retrofit needs due to high load capacity and durable construction, reducing downtime from support failures. Its compatibility with B-Line components speeds installation, lowers labor costs, and extends service life in harsh environments, delivering a favorable total cost of ownership over the system lifecycle.