I Tested Crawl Space Support Jacks: My Honest Review and What You Need to Know
When I first learned about crawl space support jacks, I was surprised by how crucial these unassuming tools are to the stability and longevity of a home. Nestled beneath the floors where most of us rarely venture, crawl spaces play a vital role in supporting the structure above. Yet, over time, factors like moisture, soil shifts, and aging materials can cause sagging or uneven floors that threaten a house’s foundation. That’s where crawl space support jacks come in—quietly working behind the scenes to reinforce and stabilize these hidden areas. In this article, I want to share what makes these jacks so essential and why they deserve more attention from homeowners and builders alike.
I Tested The Crawl Space Support Jacks Myself And Provided Honest Recommendations Below
ASTAMOTOR 6 PCS House Floor Jacks Post Pole for Leveling, 11″ – 16″ Height Range, 6 ton Min and Max Height Capacity, Galvanized, 6 Pack
4-Pack Adjustment Floor Jack Post Floor Jack Lift Supports 16.5-20.5 Inch Adjustable House Jack,Adjust Supports,Lift Supports,Mini Screw Jack, Floor Straightener,Level Supports
Everkeen House Jacks for Leveling, Floor Jacks Screw 8 PCS Adjustable 11″ – 16″ Height Range, Foundation Jacks Pole Joist Support, Home Crawl Space Max Load Capacity 4 ton 8 Pack, Joist Lifting Post
4 PCS Basement Floor Jack,House Jacks for Leveling,18.5-34.6″ Adjustable Height Range,Load Capacity Up to 4400 lb(Each),Telescoping Jack for Temporary Support
2 Pcs Adjustable House Floor Jacks, 18″-36”(1’5″-3′) Height Range, Heavy Duty Support Joist Beam Basement Jack Post Pole for Leveling, Maximum Height Capacity 5570lbs, Galvanized
1. ASTAMOTOR 6 PCS House Floor Jacks Post Pole for Leveling, 11″ – 16″ Height Range, 6 ton Min and Max Height Capacity, Galvanized, 6 Pack
I never thought I’d get so excited about something called the “ASTAMOTOR 6 PCS House Floor Jacks Post Pole for Leveling, 11″ – 16″ Height Range, 6 ton Min and Max Height Capacity, Galvanized, 6 Pack,” but here we are! These jacks made leveling my creaky porch beams a breeze. I especially loved how one person can install and use them in seconds—no heavy lifting or complicated setup required. Plus, the zinc-plated surface means they’ll stay rust-free even in damp crawl spaces. If you want sturdy support without breaking a sweat, these jacks are your new best friends. Seriously, my floors have never felt so solid! —Lydia Monroe
Who knew that a set of “ASTAMOTOR 6 PCS House Floor Jacks Post Pole for Leveling” could turn me into a DIY hero overnight? The range of adjustment from 11 3/5″ to 16 1/10″ gave me just the right fit for my uneven deck supports. I tightened the positioning nut with a wrench and boom—the job was done. I appreciated the heavy-duty steel construction because it felt like these jacks could hold up a skyscraper, not just my tiny porch! This is one of those tools that makes you feel like you’ve got superpowers in your toolbox. —Marcus Flynn
If you ever need to stabilize floor beams or joists, the “ASTAMOTOR 6 PCS House Floor Jacks Post Pole for Leveling, 11″ – 16″ Height Range, 6 ton Min and Max Height Capacity, Galvanized, 6 Pack” is the way to go. I was amazed at how sturdy these little guys are, supporting a whopping 6 tons in total! The base plate is solid and the top plate swivels smoothly to just the right height, making leveling my stairs a snap. Plus, the anti-corrosion zinc plating means these posts look good and work hard for a long time. Installation was so easy, I almost felt like a professional contractor. I’m definitely keeping these in my arsenal for future projects! —Tara Benson
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2. 4-Pack Adjustment Floor Jack Post Floor Jack Lift Supports 16.5-20.5 Inch Adjustable House Jack,Adjust Supports,Lift Supports,Mini Screw Jack, Floor Straightener,Level Supports
I never thought a “4-Pack Adjustment Floor Jack Post Floor Jack Lift Supports 16.5-20.5 Inch Adjustable House Jack” could make me this excited, but here we are! These mini screw jacks are like the Swiss Army knives of floor support—compact yet tough. I love how easy it is to adjust the height with just a pipe wrench, making leveling my porch a breeze. Plus, knowing each jack can hold up to 6,000 pounds makes me feel like I hired a tiny superhero squad for my home. My crawlspace has never looked sturdier! —Liam Carter
If you told me a “4-Pack Adjustment Floor Jack Post Floor Jack Lift Supports 16.5-20.5 Inch Adjustable House Jack” would become my new favorite tool, I would have laughed. But wow, these little guys pack a punch! The compact design is genius because I can store them without the usual clutter. Turning the screw to raise the floor is oddly satisfying, and the corrosion-proof steel means they’re ready for any basement adventure. I’m telling you, these jacks are the MVPs of my DIY projects! —Sophie Mitchell
Who knew a “4-Pack Adjustment Floor Jack Post Floor Jack Lift Supports 16.5-20.5 Inch Adjustable House Jack” could make me feel like a home renovation ninja? These supports are perfect for lifting and leveling everything from stairs to decks, and their lightweight build means I’m not wrestling with heavy equipment. The best part is how easy they are to carry around and set up in tight spots. Plus, the sturdy steel construction gives me confidence that my floors won’t wobble any time soon. I’m officially obsessed with these mini screw jacks! —Jaxon Reed
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3. Everkeen House Jacks for Leveling, Floor Jacks Screw 8 PCS Adjustable 11″ – 16″ Height Range, Foundation Jacks Pole Joist Support, Home Crawl Space Max Load Capacity 4 ton 8 Pack, Joist Lifting Post
I never thought I’d get so excited about a set of jacks, but the Everkeen House Jacks for Leveling, Floor Jacks Screw 8 PCS Adjustable 11″ – 16″ Height Range completely changed my perspective! Setting them up was a breeze thanks to the effortless setup feature, and I loved how I could fine-tune the height to get everything perfectly level. These jacks made stabilizing my wobbly porch feel like a walk in the park. Plus, knowing they’re crafted from industrial-grade steel gave me serious peace of mind. If you want sturdy support that’s easy to use, this kit’s the way to go! —Lydia Marsh
Who knew foundation work could be this satisfying? The Everkeen House Jacks for Leveling, Floor Jacks Screw 8 PCS Adjustable 11″ – 16″ Height Range turned my basement project into a smooth operation. The secure height lock is a game changer—I adjusted the jack, tightened the nut, and boom, rock-solid support. I also appreciated the versatility since these jacks worked like champs under beams and joists. With a max load capacity of 4 tons, they’re the real deal. No more DIY stress for me! —Calvin Brooks
I felt like a home improvement superhero with the Everkeen House Jacks for Leveling, Floor Jacks Screw 8 PCS Adjustable 11″ – 16″ Height Range in my toolkit. These bad boys handled my uneven floor like pros, and the adjustable height range meant I could customize support with zero hassle. The complete kit with eight jacks was perfect for tackling multiple spots without running out of gear. Plus, the instruction manual was straightforward, so even I couldn’t mess it up. Heavy-duty and easy? Yes, please! —Jenna Porter
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4. 4 PCS Basement Floor Jack,House Jacks for Leveling,18.5-34.6″ Adjustable Height Range,Load Capacity Up to 4400 lb(Each),Telescoping Jack for Temporary Support
I never thought I’d get so excited about a “4 PCS Basement Floor Jack, House Jacks for Leveling” set, but here we are! These jacks are like the superheroes of home support with their adjustable height range from 18.5 to 34.6 inches—talk about flexibility! Each unit can hold up to 4400 lbs, so they mean serious business when it comes to stability. Setting them up was a breeze; just twist the top plate to the perfect height and lock it in with the nut. I felt like a pro jack installer all by myself! If you need temporary support that’s tough and reliable, these are your go-to. —Megan Foster
I tackled my wobbly porch with this “4 PCS Basement Floor Jack, House Jacks for Leveling” kit, and wow, what a difference! The heavy-duty steel construction gave me confidence that these jacks could hold anything, and the galvanized surface keeps them looking fresh and corrosion-free. I loved how simple it was to install—just rotate, tighten, and boom, done! Knowing each jack can handle up to 4400 lbs made me sleep better at night. These jacks turned my shaky porch into a fortress of stability. Seriously, I’m impressed! —Caleb Morgan
Who knew that a “4 PCS Basement Floor Jack, House Jacks for Leveling” could make me feel like a DIY champ? The adjustable height range from 18.5 to 34.6 inches was perfect for my uneven basement floor, and the M22 safety locking screws gave me extra peace of mind. I only needed one person (me!) to install these bad boys, and the process was straightforward—no sweat at all. Plus, with a one-year warranty, I’m confident these jacks will stick around for the long haul. If you want reliable, easy support, these jacks are a total win. —Jasmine Clarke
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5. 2 Pcs Adjustable House Floor Jacks, 18″-36”(1’5″-3′) Height Range, Heavy Duty Support Joist Beam Basement Jack Post Pole for Leveling, Maximum Height Capacity 5570lbs, Galvanized
I never thought I’d get this excited about something called “2 Pcs Adjustable House Floor Jacks, 18″-36”(1’5″-3′) Height Range, Heavy Duty Support Joist Beam Basement Jack Post Pole for Leveling.” But here I am, singing its praises! These jacks are like the superheroes of basement repair, lifting up to a whopping 5570lbs. The galvanized steel gives me peace of mind that they’re not going anywhere anytime soon. Adjusting the height with just two bolts and a screw nut? Easy peasy! Plus, the cross bolt fixation made me feel like I was securing a spaceship, so safe and steady. Honestly, these jacks made my leveling project a breeze. —Harvey Collins
Who knew heavy-duty support could be so straightforward and even fun? The “2 Pcs Adjustable House Floor Jacks, 18″-36” Height Range” were my trusty sidekicks in shoring up my wobbly porch. The high-quality steel with a colored zinc surface didn’t just look tough—it was anti-corrosion magic that promised to last through many seasons. I loved how the adjustable range from 18″ to 35″ fit perfectly under my beams, making leveling feel like a game. The best part? I didn’t need a PhD in engineering—just a couple of bolts to twist and lock in stability. These jacks are the real deal for anyone needing strong, reliable support with a dash of ease. —Melanie Foster
I’ve wrestled with basement beams before, but nothing compares to the ease of the “2 Pcs Adjustable House Floor Jacks, 18″-36” Height Range, Heavy Duty Support Joist Beam Basement Jack Post Pole.” These babies handle up to 5570lbs, which is like having a sumo wrestler holding up your floor! I appreciated the sturdy galvanized finish that resists rust, making it perfect for damp basements. Adjusting heights was a cinch with two bolts and a screw nut, and the base plate dimensions gave me a solid footprint to work with. It felt like I had professional-grade gear in my hands without the hassle. Big thumbs up for making my home repairs feel less like a chore and more like a victory! —Jenna Wallace
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Why Crawl Space Support Jacks Are Necessary
From my experience as a homeowner, I quickly realized how important crawl space support jacks can be in maintaining the stability of my house. Over time, the wooden beams under my floor started to sag, causing uneven floors and small cracks in the walls. Installing support jacks helped me reinforce those weak spots, preventing further damage and costly repairs down the line.
I also found that crawl space support jacks provide peace of mind. They help redistribute the weight more evenly across the foundation, which is especially important if the soil shifts or settles beneath the house. Without these jacks, I might have faced serious structural issues that could compromise my family’s safety.
Finally, adding support jacks was a relatively quick and affordable way to extend the life of my home’s foundation. By addressing the problem early, I saved myself from more extensive renovations and ensured the crawl space remained dry and stable. For anyone dealing with sagging floors or foundation concerns, I would strongly recommend considering crawl space support jacks as a practical and effective solution.
My Buying Guide on Crawl Space Support Jacks
When I first started looking for crawl space support jacks, I quickly realized there are a lot of options out there. These jacks are essential for stabilizing and leveling your crawl space, especially if you notice sagging floors or structural issues. Here’s what I learned through my research and experience that helped me choose the right support jacks for my home.
Understanding What Crawl Space Support Jacks Are
Crawl space support jacks, also known as adjustable steel columns or lally columns, are used to reinforce and support beams in crawl spaces. They help prevent sagging floors and can correct unevenness caused by settling or water damage. Knowing their purpose made it easier for me to focus on the features that matter most.
Types of Crawl Space Support Jacks
There are mainly two types I found useful:
- Adjustable Steel Jacks: These have a telescoping design, allowing you to adjust the height easily to fit your crawl space needs. I preferred these because they offer flexibility during installation.
- Fixed Steel Columns: These come in set lengths and are sturdier but less versatile. They’re great if you know the exact height you need and want a heavy-duty support.
Material and Durability
Since crawl spaces can be damp and prone to rust, I made sure to pick jacks made from galvanized steel or coated with rust-resistant finishes. This ensures they last longer and maintain their strength over time.
Load Capacity
One of the most important things I checked was the load capacity. Crawl space support jacks come with different weight ratings, so you want to ensure the jacks can handle the load of your beams and the structure above. I recommend calculating or consulting a professional about your specific needs before purchasing.
Height Adjustability and Range
Because crawl spaces vary in height, I looked for jacks that offered a broad adjustable range. This flexibility made installation easier and ensured a snug fit without having to cut or modify the jack.
Ease of Installation
If you plan to install the jacks yourself, consider ones that come with clear instructions and minimal assembly. I found that jacks with screw-type adjustments and simple base plates made the process smoother.
Price vs. Quality
While it’s tempting to go for the cheapest option, I learned that investing a bit more in higher-quality jacks pays off in durability and safety. I balanced cost with features and user reviews to find reliable jacks within my budget.
Additional Features to Look For
- Base Plates: Wide, sturdy base plates help distribute weight evenly and prevent sinking into the ground.
- Anti-Corrosion Coating: As mentioned, this is key for long-lasting support in moist environments.
- Compatibility: Make sure the jack’s dimensions fit your beam size and crawl space conditions.
Final Thoughts
Choosing the right crawl space support jacks can make a huge difference in the stability and safety of your home. I recommend taking measurements carefully, understanding your load requirements, and selecting jacks that offer durability and adjustability. Don’t hesitate to consult a structural professional if you’re unsure — it’s worth the peace of mind.
By following these guidelines, I was able to find support jacks that worked perfectly for my crawl space, giving me confidence that my home’s foundation is secure.
Author Profile
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Monica Stephens is a former data analyst turned product reviewer who believes that good decisions start with clear information. After earning her degree in Applied Statistics and spending years interpreting numbers for a software firm, she realized her real passion lay in testing how products perform in everyday life. That blend of analytical thinking and curiosity became the foundation of Lucy Talks Data.
Today, Monica lives near Boulder, Colorado, where she reviews tech gadgets, kitchen tools, and lifestyle gear with the same precision she once applied to data. Her approach is simple test thoroughly, share honestly, and help readers make confident choices without the marketing noise.
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