Looking for a reliable floor jacks for under house in 2025? You’re not alone. With so many models available today, it’s easy to get lost—especially when descriptions are vague or customer reviews are all over the place. That’s why we decided to sort things out. Not by claiming to know everything, but by analyzing what sells well, what real users say, and what’s worth your attention both on paper and in practice. Our goal isn’t to drown you in technical details, but to guide you toward the best possible choices—without wasting hours comparing on your own. In short, a practical and hopefully useful guide.
【Function】House floor Jacks provides temporary or additional support for leveling and stabilizing floor beams and joists during construction and repairs. Jack post can be used for areas such as stairs, porches, roof beams, decks, crawl spaces and heavy load areas.
【Specifications】Range of adjustment: 11 3/5" - 16 1/10"; minimum and maximum height capacity: 8800 lbs / 4 ton in total; base plate dimension: 5" x 5" x 0.19"; base plate hole diameter: 0.5"; top plate dimension: 3" x 3" x 0.19".
【Installation】Simply keep the base plate stationary and swivel the top plate to required height, and then tighten the positioning nut with a wrench in order to secure the top plate, even one person can install and use in seconds.
【High Quality】This adjustable support jack is made of heavy duty steel with zinc plated surface to ensure anti-corrosion and durability.
【Warranty】One-year warranty. If you have any questions, please contact us via Amazon Message directly, our professional customer service would help in 24H.
Heavy-Duty Support: Our house floor jack is built from tough Q235 steel. Each jack handles up to 18000 lbs/8164.66 kg with ease—perfect for heavy lifting.
Adjustable Height Design: Need flexibility? This basement floor jack features an adjustable height design. It adjusts from 53 to 93 in/134.62 to 236.22 cm, so you can find the perfect height for your needs.
Simple Operation: Adjusting the height of the basement jack is a breeze—just rotate the lever without the need for additional tools. Quick and easy! Plus, it comes with two lock pins for safer locking.
Integrated Welded Base Plate: The adjustable floor jack's base plate is seamlessly welded to the pipe with an integrated welding process. This eliminates the need to fix the base plate to the pipe, making installation a snap without extra steps.
Versatile Application: Our floor joist jack boosts an excellent load capacity and unique adjustable height design. Ideal for temporary support in various places like beams, patios, and construction—this jack does it all!
Function: FOROIRON House Jacks for Leveling designed for temporary or additional support for deck, stair, heavy load areas under construction. Safety design, Each Compression Load up to 5500 lbs
Premium Steel: Our Adjustable Floor Jack made of premium carbon steel, each Compression Load up to 5500 lbs. Durable for a secondary support jack. Galvanized metal surface, which has excellent rust-free features
Security Design: The thick metal plates are embossed to avoid lateral displacement. Prevent the jack post from deforming or moving. The screw bolt safety threads design(prevents the screw slip down design, not product flaw）
Widely Usage: This Floor Jack for House is suitable for temporary or additional support in some areas, such as stairs, porches, roof beams, decks. Perfect for constructing projects, garden and garage use
Package Include: 2 Pack Red Adjustable Floor Jack. (Note: Package not include carriage bolts, screws)
How to choose a good floor jacks for under house?
On the surface, choosing a floor jacks for under house seems simple. But once you dig in, it gets more complicated. Between technical differences, unfamiliar brands, and unclear features, it’s better to ask the right questions:
Usage: Will you use it daily or only occasionally? That heavily influences the right model.
Budget: No need to go for the most expensive one right away. What matters is the value for money.
Key factors:
Durability, build quality, lifespan
Truly useful features (not just marketing buzz)
User reviews, especially after weeks or months
Availability of customer service in case of issues
We’ve cross-checked multiple sources: Amazon data, detailed reviews, search trends… and a bit of intuition too—because numbers don’t tell the whole story. This mix allows us to build our ranking, which we update regularly. The goal isn’t to just list names but to guide you toward what truly works.
【Function】House floor Jacks provides temporary or additional support for leveling and stabilizing floor beams and joists during construction and repairs. Jack post can be used for areas such as stairs, porches, roof beams, decks, crawl spaces and heavy load areas.
【Specifications】Range of adjustment: 11 3/5" - 16 1/10"; minimum and maximum height capacity: 8800 lbs / 4 ton in total; base plate dimension: 5" x 5" x 0.19"; base plate hole diameter: 0.5"; top plate dimension: 3" x 3" x 0.19".
【Installation】Simply keep the base plate stationary and swivel the top plate to required height, and then tighten the positioning nut with a wrench in order to secure the top plate, even one person can install and use in seconds.
【High Quality】This adjustable support jack is made of heavy duty steel with zinc plated surface to ensure anti-corrosion and durability.
【Warranty】One-year warranty. If you have any questions, please contact us via Amazon Message directly, our professional customer service would help in 24H.
Heavy-Duty Support: Our house floor jack is built from tough Q235 steel. Each jack handles up to 18000 lbs/8164.66 kg with ease—perfect for heavy lifting.
Adjustable Height Design: Need flexibility? This basement floor jack features an adjustable height design. It adjusts from 53 to 93 in/134.62 to 236.22 cm, so you can find the perfect height for your needs.
Simple Operation: Adjusting the height of the basement jack is a breeze—just rotate the lever without the need for additional tools. Quick and easy! Plus, it comes with two lock pins for safer locking.
Integrated Welded Base Plate: The adjustable floor jack's base plate is seamlessly welded to the pipe with an integrated welding process. This eliminates the need to fix the base plate to the pipe, making installation a snap without extra steps.
Versatile Application: Our floor joist jack boosts an excellent load capacity and unique adjustable height design. Ideal for temporary support in various places like beams, patios, and construction—this jack does it all!
Function: FOROIRON House Jacks for Leveling designed for temporary or additional support for deck, stair, heavy load areas under construction. Safety design, Each Compression Load up to 5500 lbs
Premium Steel: Our Adjustable Floor Jack made of premium carbon steel, each Compression Load up to 5500 lbs. Durable for a secondary support jack. Galvanized metal surface, which has excellent rust-free features
Security Design: The thick metal plates are embossed to avoid lateral displacement. Prevent the jack post from deforming or moving. The screw bolt safety threads design(prevents the screw slip down design, not product flaw）
Widely Usage: This Floor Jack for House is suitable for temporary or additional support in some areas, such as stairs, porches, roof beams, decks. Perfect for constructing projects, garden and garage use
Package Include: 2 Pack Red Adjustable Floor Jack. (Note: Package not include carriage bolts, screws)
【Jack Post Specifications】Range of adjustment: 11.8" - 16"; Height Capacity(each): 8800 lbs(4 ton); base plate dimension: 5" x 5" x 0.2"; top plate dimension: 4" x 4" x 0.2"; M20 thread
【Installation Notes】Keep the bottom plate stationary, rotate the top plate to the desired height, and then tighten the positioning nut with a wrench to secure the top plate.Note that the support jack can not be adjusted height under load-bearing conditions.
【High Quality】This adjustable support jack is made of heavy duty steel with painted surface, which can effectively prevent the jack from rusting and long-lasting.
【Wide Applications】House floor Jacks provides temporary or additional support for leveling and stabilizing floor beams and joists during construction and repairs. Jack post can be used for areas such as stairs, porches, roof beams, decks, crawl spaces and heavy load areas.
【Adjustable Floor Jack】An adjustable high-quality house jacks for leveling with an adjustment range of 11.8 inches to 16 inches, high strength, impact resistance, pressure resistance,and durability.Each Compression Load up to 8800 lbs
Heavy-Duty Support: Our house floor jack is built from tough Q235 steel. Each jack handles up to 11200 lbs/5080.23 kg with ease—perfect for heavy lifting.
Adjustable Height Design: Need flexibility? This basement floor jack features an adjustable height design. It adjusts from 54 to 150 in/137.16 to 381 cm, so you can find the perfect height for your needs.
Simple Operation: Adjusting the height of the basement jack is a breeze—just rotate the lever without the need for additional tools. Quick and easy! Plus, it comes with multiple lock pins for safer locking.
Integrated Welded Base Plate: The adjustable floor jack's base plate is seamlessly welded to the pipe with an integrated welding process. This eliminates the need to fix the base plate to the pipe, making installation a snap without extra steps.
Versatile Application: Our floor joist jack boosts an excellent load capacity and unique adjustable height design. Ideal for temporary support in various places like beams, patios, and construction—this jack does it all!
Floor Jack Specifications: Adjustment Range: 11.8 - 16in; Height Capacity (per unit): 6,600 lbs to 11,000 lbs (3-5 tons); Base Plate Size: 5x 5 x 0.27in; Top Plate Size: 4 x 4 x 0.2in; M22 Thread.
High Quality: Our jack rods are made of high quality heavy-duty steel for greater strength and durability; the jack surface is painted and galvanized for corrosion resistance, designed for heavy construction.
Simple installation: you just need to keep the bottom plate still, rotate the top plate to the desired height, and then tighten the locating nut with a wrench to fix the top plate, easy to operate, single person can install and use.
Widely Used:Our jack struts are very practical and can be used in a variety of scenarios, staircases, flooring projects, porches, roof beams, decks, or to provide extra support and stability for the floor of your house or tight spaces, heavy duty areas.
Safety and Warranty:The floor jack is fully adjustable and comes with M22 safety locking screws for added strength and security. One year warranty. If you have any questions, please contact us directly via Amazon message, our professional customer service will help within 24 hours.
Easy To Use:These house leveling jacks are easy to install and adjust, designed to stabilize and support beams and joists during construction and repairs
Easy To Install: Place this product under the object that needs to be supported, and just turn the height adjustment nut to adjust to the desired height
Application Scenario: Old houses and natural disasters often cause floor joists to crack, support beams to rot, and porches or decks to sag. Use adjustable jacks to reinforce your home's structure to make up for these shortcomings. Basement floor joist support jacks are available
Surface Treatment: The upper part of these foundation leveling jacks is made of galvanized finish, and the lower part is made of black oxide finish, which is strong, durable, and long-lasting, with anti-rust and anti-corrosion properties
Multiple Uses: Use these adjustable floor jacks to temporarily secure weak floors, crawl spaces, heavy load areas, stairs, or roof trusses
VERSATILE LIFTING: This Mini Floor Jack Supports A Lifting Height Of 16.5 To 20.5 Inches, Making It The Perfect Temporary Support And Lifting Solution For Prime Areas Such As Stairs, Porches, Decks, Crawlspaces, And Heavy-Duty Areas.
COMPACT DESIGN: This Compact, Space-Saving Jack Takes Up Minimal Storage Space But Provides Reliable Lifting Performance For basic Tasks. To Adjust The Height Of Your Mini Screw Jack, Simply Turn The Screw To The Desired Height With A Pipe Wrench And Tighten The Set Nut.
DURABLE CONSTRUCTION: Made From Sturdy Steel With A Coating To Prevent Corrosion, This Jack Can Support Up To 6,000 Pounds Home leveling Adjustable Column Jack Temporarily Secures Weak Floors, Crawl Spaces, Stairs, Roof Trusses, And More Scenes
EASY TO CARRY: The Mini Floor Jack Is Lightweight And Its Compact Size Makes It Easy To Operate In Small Spaces And Can Be Used In Basements, Porches, Roof Beams, Decks And Other Areas. As A Temporary Support And nd lifting solution.
【Application Scenario】: Older homes and natural disasters often result in cracked floor joists, rotted support beams and sagging porches or decks. Use an adjustable jack to strengthen the structure of your home to remedy these deficiencies. The floor jack can also be used for basement floorboards joists.
House floor jack Telescoping provides stable and secure support for leveling and stabilizing floor beams.
The stabilizer jacks support 5,000 lbs each. Fine adjustments can be made the screw mechanism at the top by turning the screw with the folding handle that comes with the unit.
These jacks can also be used as RV Step Brace Stabilizer, Note that this RV step brace is intended for use on stable, hard, and level ground.
4 jacks per box and 8 Anti-Slip Mats, easy to operate, no assembly required but drill as needed.
Do not exceed the recommended load capacity, Be sure to take into consideration the height from your foundation or footing to the beam or connection point.
Frequently Asked Questions (FAQ)
What is the best floor jacks for under house? It depends on your needs, but the top 3 products are generally the most balanced options.
How do I maintain it properly? It varies by model. The best approach is to follow the manufacturer’s recommendations (yes, reading the manual is worth it).
Where to buy it with confidence? Amazon remains a solid choice: wide selection, easy returns, and tons of user reviews—hard to beat.
Do I need a big-name brand? Not necessarily. Lesser-known brands can be surprisingly good, with well-designed products that rival top names—at a lower cost. Don’t overlook them just because the name is unfamiliar.
What are the most common pitfalls? A super low price might be tempting but could signal major compromises (build quality, reliability, nonexistent support…). Also beware of product pages with no reviews or vague comments. Spend a few minutes reading real feedback—this is often where the most valuable info is.
How is our ranking built?
We don’t claim to have a magic formula. In reality, it’s a blend of data—ratings, sales volume, review frequency—and observation. We watch for recurring themes in reviews, compare search trends, and yes, sometimes rely on our gut feeling. A great product isn’t just numbers. Our ranking aims to balance all of that: data, common sense, and a lot of time spent checking.
We analyze scores, sales frequency, genuine reviews (not just stars), and current search trends. Each model is rated using a consistent set of criteria. While it’s not perfect, it helps us stay fair and consistent. And we update our lists often, because products evolve—and so do we.
Why trust Topelio?
Topelio is an independent website—we don’t sell these products and we’re not tied to any brand. What drives us is clarity and usefulness. We aim to produce practical, readable, honest content. Our rankings are based on public data, complemented by our own experience. No shady partnerships or biased recommendations—just a genuine effort to save you time, and maybe money too.
Thanks for taking the time to read this guide. Choosing a floor jacks for under house might seem trivial, but it’s often more complicated than expected. Too many options, unclear product pages, and marketing promises that don’t help… That’s why we aimed to create a simple but solid comparison. With practical info, useful tips, and most importantly—a ranking based on reality. Take time to compare, read more reviews if needed, and choose based on your own priorities. What works for someone else might not be ideal for you. If this guide helped you, feel free to explore our other articles. We always try to add real value—without wasting your time. See you soon on Topelio.
