Easily reinforce fence posts with a user-friendly Simpson Strong-Tie E-Z Base. Use this base to install 4 x 4 wood posts onto existing concrete. This fence post base features a black powder coat for a polished look. The base offers durable 12-gauge steel, which ensures a long-lasting build.
- Install with 1/4-in Strong-Drive SDS Heavy-Duty Connector screws or 1/4-in HDG lag screws
- Easy to install in concrete with 1/2-in diameter anchors
- Nominal post size: 4x4
- Made from 12-gauge steel
- Black powder coat for a decorative look
Actual Depth (cm)
Actual Depth (in)
Actual Depth (mm)
Actual Width (cm)
Actual Width (in)
Actual Width (mm)
Common Measurement (t X W)
Common 4-in x 4-in
Contact Type Allowed
Powder Coating, Black
Wood to concrete (retrofit)
E-Z Base Black Powder-Coated Post Base for 4x4
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Can these be used to mount posts for a pergola into a previously built wooden deck?
Hello, Note that E-Z Base is not a load-rated part which is intended for support of short (under 48") posts that are not acting as guards. You may want to consider our RPBZ bases instead, however design and detailing of the structure and of post connections need to be done by a qualified designer. Regards
Date published: 2021-05-11
Can you provide some direction on the brackets for mounting 6x6 posts to a wood deck. The post is flush cut on the bottom, looking for a bracket to strengthen the connection.
Hi Deckfixer, this is Tim from Simpson Strong-Tie. We suggest checking out something like our RPBZ or HBC, which can be found on pages 76-77 and 86-87 of our Canadian connector catalogue (https://www.strongtie.com/resources/literature/wood-construction-connectors-catalog-cn). To order, please contact Lowe's Canada.
Date published: 2021-05-12
Simpson Strong-Tie E-Z Post Base - 12 Gauge - Black Powder-Coated Finish - 3 13/16-in D x 6 13/16-in W is rated out of 5 by 26.
Rated 5 out of 5 by salk from Fix those snapped wooden post easily Easy to use and simple to fix snapped rotted fence posts with concrete still in ground. total life saver.
Date published: 2021-12-04
Rated 5 out of 5 by Karl from Works great! Great product, it was hard to get the holes lined up, tips on that part would have been helpful
Date published: 2021-06-08
Rated 4 out of 5 by Sydneyh from Concrete post boot Black concrete post boot. Works as expected, my only complaint is the darn sticker thats on them. No matter what i do, i cannot get the sticker off in one piece and it leaves a sticky residue. Ita not a huge deal, but then i have to rotate the boot to make sure the sticky gross side doesnt show. Wish the vendor would use a smaller sticker.
Date published: 2022-10-28
Rated 5 out of 5 by EdwardA from Integral component for a sound construction projec Well constructed product that securely holds the 4x4. Absolutely no movement experienced using this product. I chose this product for construction of a mobile platform, 35” high, 36” wide and 58” long wit steps from the ground to the platform. Very sturdy, should give excellent service.
Date published: 2022-03-19
Rated 5 out of 5 by Cearbhall from Tight! This bracket is tight! Tight enough we had to hammer the 4x4 into it. But, being tight and bolted down, that 4x4 was pretty stable, making the rest of the project go fairly smoothly.
Date published: 2022-04-16
Rated 5 out of 5 by Howdy from Great product when building a privacy fence Having never used the Simpson EZ post brackets, I was surprised how solid they were when mounted to flat concrete using wedge anchor bolts.
Date published: 2022-08-21
Rated 4 out of 5 by Plowboy from Common 4-in x 4-in Powder-coated Wood To Concrete They work really good to connect wood 4x4s to concrete, just make sure you drill the holes as instructions read
Date published: 2022-09-20
Rated 5 out of 5 by Renegade from Well made. Simpson Strong-Tie Common 4-in x 4-in Powder Coated Wood to Concentrate Base is well made and works well.
Date published: 2022-11-13
Rated 5 out of 5 by Pammy project fixer from a little tight if post is green so shaved1/4 inch Had to attach four posts to a concrete patio so this was perfect. My gazebo went up quickly and sturdy
Date published: 2022-11-13
Rated 5 out of 5 by DickB from Worked better than anticipated. Used for short picket fence with 2 gates and they seem solid with anchors used
Date published: 2021-05-19
Rated 5 out of 5 by Nick from Nick Strong and no real need to biy another if.you need a quick job done
Date published: 2022-11-20
Rated 5 out of 5 by Steven W KY from Good post bracket Good post bracket for deck, porch or small section on a fence.
Date published: 2023-02-28
Rated 4 out of 5 by Ingris from Use right bolts to attach. Seems very sturdy and keeps the 4by4 mounted to the concrete.
Date published: 2021-11-28
Rated 5 out of 5 by Dan HG from Great 4x4 mounting Well constructed and great option for surface applications
Date published: 2022-06-26
Rated 5 out of 5 by Nini157 from Ancrage à beton Très bon prix, item de grande qualité et service rapide
Date published: 2022-08-26
Rated 5 out of 5 by Matt from Sturdy Worked great
Date published: 2022-05-01