4PCS House Jacks for Leveling Crawlspace 17”-31”Adjustable Floor Support
$184.48
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✨【Specifications】The height adjustment range for this house support column is: 17 inches-31 inches. Base plate dimensions: 4.92 inches x 4.92 inches x 0.19 inches; Base plate hole diameter: 0.5 inches; Top plate dimensions: 2.95 inches x 2.95 inches x 0.19 inches; Top plate hole diameter: 0.27 inches
✨【Rust and Corrosion Resistance】The jack column uses a threaded design, allowing for precise height adjustment. The surface is anodized for rust and corrosion resistance, making it more robust and durable.
✨【Installation】Adjust the support jack base and top plate to the desired height range and place it in the designated position. Secure the base plate and raise it to the target height by rotating the threaded adjuster. After positioning, tighten the upper and lower nuts to ensure the support column is stable and does not wobble.
✨【High Load Capacity】: The adjustable floor joist support is made of high-carbon steel, offering exceptional durability and a high load capacity (up to 10,000 lbs).
✨【Applications】House supports are ideal tools for leveling, stabilizing beams, reinforcing stairs, supporting roofs, and more. This basement floor spiral jack is perfect for supporting floors, joists, stairs, platforms, crawl spaces, roof trusses, basement beam supports, temporary supports, basement ceilings, and heavy-duty areas. Applying a small amount of grease to the threads will make adjustments smoother.
Frequently Asked Questions
We currently ship to customers throughout the United States.
Most orders are delivered within 3–7 business days. Delivery times may vary depending on your location and carrier conditions.
Once your order has shipped, you’ll receive a confirmation email with your tracking number.
Please contact us as soon as possible at [[email protected]] Changes or cancellations are only possible before your order has been processed or shipped.
Yes. Eligible items may be returned in accordance with our Return & Refund Policy. For assistance, please contact us at [[email protected]]
Once your return is received and approved, your refund will be issued to your original payment method.
Please email us at [[email protected]] with your order number and clear photos of the item. We’ll be happy to assist you.
For any questions about your order, shipping, returns, or products, please contact us at [[email protected]]
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