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ABA ZMAX Galvanized Adjustable Standoff Post Base for 6x6 Nominal Lumber

$2556
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Product Overview

Post and column bases secure the bottom of posts or columns to concrete and are perfect for decks or patio covers. Models are available for attaching to existing hardened concrete, wet concrete, as well as wood. The AB series also offers adjustability around the anchor bolt to achieve optimum post placement. Many models provide a 1-in standoff from the concrete to help avoid post-end rot from moisture.
  • Attaches a post to existing concrete for decks, patio covers and other top-supported structures
  • Features 1-in standoff to help prevent rot at post end
  • Slotted for adjustability
  • Designed for versatility, cost-effectiveness and maximum uplift performance
  • Nominal post size: 6x6
  • Made from 14-Gauge steel
  • Z-MAX galvanization offers extra corrosion resistance for exterior and treated-wood applications
  • Install with 16d common nails or 10 x 1-1/2 strong-drive SD screws
  • Shop all Simpson Strong-Tie here.

Additional Resources

From the Manufacturer

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Specifications

Dimensions

Nominal Post Size (in.)6x6Product Depth (in.)3.13 in
Product Height (in.)5.25 inProduct Width (in.)5.5 in

Details

Base TypeStandoff Post BaseConnector FinishG185 Galvanized
Fasteners IncludedFasteners Not IncludedFeaturesNo Additional Features
Gauge14MaterialSteel
Material Connector CompatibilityWood to ConcreteNumber of Pieces1
Package Quantity1Product Weight (lb.)1.6 lb
Returnable90-Day

Warranty / Certifications

Manufacturer WarrantyLimited Warranty

Questions & Answers

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Customer Reviews

  • 4.6
    out of 286 reviews
  • 89%recommend this product
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Showing 1-10 of 286 reviews
Standoff is sturdy, no issues with its strength. Be aware that these fit nominal 6X6 (5.5" X 5.5"...
Standoff is sturdy, no issues with its strength. Be aware that these fit nominal 6X6 (5.5" X 5.5") posts like a glove. Maybe not the most visually pleasing compared to decorative standoffs, but substantially lower in price. Plan to cover standoff with custom trim at a later date.
by
    • Recommended
    The bracket securely holds a 6 x 6 post about 1" above the concrete support pier. This will exten...
    The bracket securely holds a 6 x 6 post about 1" above the concrete support pier. This will extend the life of the wood post by holding it out of contact with the concrete and any water accumulation. In my area, municipal inspectors are requiring this method of post installation as opposed to a buried and set in concrete installation. I recently had to retrofit 3 posts that had rotted at ground level due to that method of installation 20 years ago.
    by
    • Pro
    • Verified Purchase
    • Recommended
    3 found this review helpful
    6x6 post rotted out - dug out hole and used cylinder form, concrete and this to create a 'pylon' ...
    6x6 post rotted out - dug out hole and used cylinder form, concrete and this to create a 'pylon' out of concrete with this embedded in the concrete
    by
      • Recommended
      2 found this review helpful
      Creates a solid base for posts....
      Creates a solid base for posts.
      by
      • Verified Purchase
      2 found this review helpful
      Worked fine, on one post had to shave some wood then fit great the others. Pounded steel sides an...
      Worked fine, on one post had to shave some wood then fit great the others. Pounded steel sides and tight as others.
      by
      • Verified Purchase
      • Recommended
      Fit the 6"x6" posts perfectly. Has elongated hole for adjusting position when installing post. Al...
      Fit the 6"x6" posts perfectly. Has elongated hole for adjusting position when installing post. Also has pre drilled holes to attach post to the base. Strong and rust resistant.
      by
      • DIY
      • Verified Purchase
      • Recommended
      Did what it's supposed to do.
      Did what it's supposed to do.
      by
      • Verified Purchase
      • Recommended
      These post base are the best I've ever used. The 1" standoff is perfect to discourage rot at the ...
      These post base are the best I've ever used. The 1" standoff is perfect to discourage rot at the end of 6x6 post.
      by
      • Verified Purchase
      • Recommended
      worked perfectly..we used under 4-6x6 posts
      worked perfectly..we used under 4-6x6 posts
      by
      • Verified Purchase
      • Recommended
      I attached this post base to my concrete porch using two "#10 1-1/2 in. External Hex Flange Hex-H...
      I attached this post base to my concrete porch using two "#10 1-1/2 in. External Hex Flange Hex-Head Structural-Connector Screw," which I purchased along with the base. It should be noted that the "6x6" in the name is industry standard for a 5-3/4" x 5-3/4" column; it will not fit a 6" x 6" column (if you're buying a column at your local Home Depot, just bring the post base to wherever the column is, and place it as you would onto the post you intend on purchasing, to make sure it fits). The only "adjustable" part that I can see is the large slot at the bottom of the post base, enabling some degree of side-to-side (or back-to-back) movement, in case the initial drill point for the slot was not centered where the post should be. But, it would have required drilling a much larger hole into my porch, for which I did not have the equipment, so I used a lot of measurements, including plumbs and t-squares, to ensure that the holes (on either side of the slot) were as accurate as possible, which, fortunately, they were! You could also use a smaller hole, such as with the aformentioned bolts, but, then you would need a very wide and strong washer or simiiar to keep it secured to the slot. Once I got the column post onto the post base, I used a mallet and scrap wood to fully seat the post (the scrap wood went between the post and mallet to avoid damaging the post from direct blows of the mallet). After that, I screwed two of the aforementioned bolts through each side "ear" (the uprights, if you will) of the post base into the post. I am fairly certain that nothing short of lumberjack's saw, sinkhole, or elephant, can knock the post off the post base! Plus, it keeps the wood column post off the ground, protecting it from the rain, irrigation water, snow, dirt, mud, etc., which helps prolong its life (the base of my original, 60-year old, column post, on my front porch, had rotted due to the proximity of an irrigation pop-up, which soaked the base, as well as having eroded the soil beneath the porch, thus lowering the porch enough to expose the bottom of the column post, which was connected to the concrete porch only by gravity. I have taken steps to mitigate the irrigation problem, and, hopefully, between the pressure-treated column post and this post base, the new column should last at least as long as the original, which, for the record, was not pressure-treated.
      by
      • DIY
      • Verified Purchase
      • Recommended
      6 found this review helpful
      Showing 1-10 of 286 reviews