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ABA 4-in x 4-in ZMAX Wood to concrete (retrofit) Base

Ratings & Reviews for Simpson Strong-Tie ABA 4-in x 4-in ZMAX Wood to concrete (retrofit) Base

4.7
221
Review
 4.7 out of 5
221 Reviews


95% Recommend this product

Ratings may include incentivized customer reviews.

What Customers Are Saying

Customers overwhelmingly praise these post anchors for their heavy-duty construction, rock-solid stability, and ability to prevent rot by elevating posts off concrete. The ZMAX coating resists corrosion effectively, and the pre-drilled holes with split-side design allow easy alignment during installation. Most reviewers highlight durability and code compliance as key strengths, calling them the best choice for decks and outdoor structures. A few mention needing additional washers or note alignment requires patience, but these minor concerns barely diminish the strong consensus that performance justifies the investment for critical structural applications.

Customer review summary generated by AI, including incentivized reviews.
221 Customer Reviews

Very Helpful

Would Recommend

Dylan was super helpful getting me loaded up.

April 15, 2026
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Easy to install and very strong.

Would Recommend

I bought this for a project where I was adding a post and a trellis to the post that was already there holding up my front door portico, so that I could plant a really large climbing rose bush to train up the trellis and over the portico to create an arch of flowers over the front door. I needed to install another post on the concrete pad to attach the other side of the trellis to, so I chose this to complete the job. The strong tie worked beautifully, it fit the nominal lumber post perfectly an...

March 28, 2026
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The cheapest option I could find for the job.

Would Recommend

To expensive for what it is, but I does its job and holds a 4x4 tightly

March 25, 2026
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Bracket for bolting 4x4 to concrete.

Would Recommend

Bottom is solid. Think the sides could be a little thicker. Once you nail in the 4x4 the sides hold well.

March 2, 2026
Verified Purchaser
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Works great to elevate a post from grade level.

Elevate your outdoor projects with our heavy-duty 4x4 base posts. Engineered from high-grade, powder-coated steel, these brackets provide rock-solid stability for fences, deck supports, and pergolas. The sleek, low-profile design ensures a clean aesthetic while protecting timber from ground moisture and rot. Easy to install on concrete or wood surfaces, each base includes pre-drilled holes for rapid mounting. Built to withstand harsh weather, they offer the perfect blend of structural integrity ...

February 20, 2026
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.

Would Recommend

Easy to install

November 23, 2025
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Anyone can use this product

Very simple to use

October 28, 2025
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Quality Strong-Tie Base

Would Recommend

We used the Simpson Strong-Tie ABA 4-in x 4-in ZMAX Wood to concrete (retrofit) Base for our deck project and these worked great. They gave us confidence that it will hold up well against moisture and ground contact. Highly recommend these for any deck or outdoor build where you want strength and long-lasting durability!

October 7, 2025
Verified PurchaserVerified Pro
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Good quality

Would Recommend

Good product and it’s worth it to anchor posts to concrete

September 30, 2025
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New version

Replaced an older style no longer made. Cement bolts fit even though a different set up.

July 24, 2025
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Item works great.

Would Recommend

Have to have it to make it work. Sturdy build to make railing firm.

July 23, 2025
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