CrawlSpace-DIY Adjustable Crawl Space Support Jack Kit – Floor Support Post Hardware with Top Plate, Jacking Rod, Steel Base Plate 5.5″ x 5.5″ & Concrete Anchors (Kit Only)

The CrawlSpace-DIY Adjustable Crawl Space Jack Kit is a complete hardware solution designed to support crawl space floor systems and assist with floor leveling and structural stabilization projects. This support post hardware kit includes the essential components needed to assemble an adjustable crawl space jack when paired with a compatible support column or post. Built for durability and precision, the kit includes a top plate, jacking cap, jam nut, jacking rod, steel base plate (5.5″ x 5.5″), and concrete anchors, allowing for secure attachment to floor framing and concrete surfaces. Each component is engineered to provide controlled adjustability for lifting, leveling, and long-term support applications in crawl spaces. Designed for crawl space repair, floor sag correction, and foundation support projects, this adjustable jack kit allows installers to make precise height adjustments over time. The heavy-duty steel construction provides strength and reliability in demanding crawl space environments. Ideal for contractors and experienced DIYers, the CrawlSpace-DIY Adjustable Crawl Space Jack Kit simplifies installation while delivering professional-grade performance. Whether you’re stabilizing floors, correcting uneven surfaces, or upgrading crawl space support systems, this kit provides a dependable foundation for structural support. Note: This listing includes the hardware kit only. Support posts, columns, and additional components are sold separately. Parts Kit Includes: Top Plate Jacking Cap Jam Nut (4) Screws Jacking Rod Steel Base Plate 5.5” X 5.5” (2) Concrete Anchors

• ADJUSTABLE CRAWL SPACE JACK HARDWARE KIT (KIT ONLY) Complete hardware kit designed for assembling an adjustable crawl space jack when paired with a compatible support post or column. Ideal for crawl space floor support and leveling projects.
• INCLUDES ESSENTIAL SUPPORT COMPONENTS Kit includes top plate, jacking cap, jam nut, jacking rod, steel base plate (5.5″ x 5.5″), and concrete anchors for secure installation to floor framing and concrete surfaces.
• PRECISION ADJUSTMENT FOR FLOOR LEVELING & SUPPORT Allows controlled lifting and fine height adjustments over time to help correct sagging floors and improve structural stability in crawl space environments.
• HEAVY-DUTY STEEL CONSTRUCTION Manufactured from durable steel components designed to withstand demanding crawl space conditions while providing reliable long-term support.
• IDEAL FOR CRAWL SPACE REPAIR & FOUNDATION PROJECTS Suitable for residential crawl space repair, floor stabilization, and structural support upgrades. Designed for professional contractors and experienced DIY installers.