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2-1/2-in Black Plastic Deck support

Ratings & Reviews for TuffBlock 2-1/2-in Black Plastic Deck support

4.7
349
Review
 4.7 out of 5
349 Reviews


97% Recommend this product

Ratings may include incentivized customer reviews.

What Customers Are Saying

The product is praised for being lightweight and easy to handle, providing a sturdy and durable foundation, and being convenient and easy to install without the need for digging or burying. While the cost may be higher than traditional concrete blocks in some cases, the product is considered a game-changing alternative that makes deck and shed construction more accessible, especially for DIY projects.

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

Low rise, solid.

Would Recommend

Light weight and easy to maneuver under porch. I did place on top of a 12" x 12" concrete square for support, but that was because of the mud.

March 11, 2026
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East Peasy

Would Recommend

Very sturdy alternative to concrete blocks and Easier to transport

March 10, 2026
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Worth the money and save a lot of time.

Would Recommend

Made the job so much easier trying to level the deck platform.

March 10, 2026
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Light and movable easy to setup

Would Recommend

The plastic is firm with a large footprint to spread weight of deck lot quicker to use than cement piers

February 2, 2026
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Not impressed

Would Not Recommend

Not what I expected. No way to secure 4 x 4 or 2 x 6 etc to the tough block.

January 12, 2026
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Perfect

This item working perfectly! Perfect to keep the The bottom of my fence post dryer, which will equal less time to rot and fits perfectly with a sauna tube. I used for the securing of the fence post.

December 5, 2025
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good stuff

Would Recommend

ease of desisign

November 16, 2025
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It's a post base

Would Recommend

Guess it okay

November 11, 2025
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Out performs concrete in every way

My pros on this product, lightweight,and stronger than concrete, stackable and lower profile.

November 9, 2025
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Tuff It Is !

Would Recommend

Can be uses with 2x4 pressure treated lumber or steel for foundations. Fits fine on 12x123 concrete and up! Git 24 for my foundation project.

November 6, 2025
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Very light

Easy to use. Only time can tell

October 25, 2025
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Sturdy and Affordable

Easy to use! Made the leveling of my shed base very easy. A few dollars more than the cinder block versions without having to carry them.

October 21, 2025
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Works great with paver base under and then on top

Would Recommend

Made leveling the deck super easy

October 14, 2025
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Great producet

Would Recommend

This is a great product for ground level building.

October 8, 2025
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