Product Description
The Simpson Outdoor Accents Sage System Post Base for 4x4 - 2-Pack gives homeowners and DIYers a tested and code-listed solution for anchoring nominal 4x4 posts directly to existing concrete when building pergolas and other outdoor structures. Made from 14-gauge ZMAX-galvanized steel with a decorative black powder-coat finish, these post bases combine heavy-duty structural performance with a polished, cohesive appearance. The outside flange design offers installation flexibility, letting you secure the base to the concrete either before or after the pergola frame is assembled. All required fasteners are included, so you have everything needed to complete both installations right out of the box.
Key Features
- Outside flange design - attach the base to the concrete before or after your pergola structure is complete, giving you flexibility to work in the order that suits your build sequence
- ZMAX-galvanized 14-gauge steel construction - delivers heavy-duty corrosion resistance that stands up to outdoor weather exposure, helping the hardware last for the life of the structure
- Built-in standoff - elevates the post end off the concrete surface to reduce direct moisture contact, helping prevent wood rot and extending the life of your 4x4 posts
- Black powder-coat finish - color-matched to the included Outdoor Accents connector screws for a clean, unified look across the entire pergola build
- Complete fastener kit included - comes with 28 SD10112DBB Outdoor Accents connector screws and 16 TNTBL25134H Titen Turbo concrete and masonry screws, enough to fully install both post bases without a separate hardware purchase
- Tested and code-listed - engineered to meet structural requirements so you can build with confidence, whether you are a first-time DIYer or an experienced builder
Why This Product
- Everything included, ready to install - the kit bundles two post bases with all required connector screws and concrete anchors, eliminating guesswork and extra trips to the hardware store when setting posts for a pergola or similar outdoor structure
- Rot protection built into the design - the integrated standoff keeps post ends elevated above the concrete, addressing one of the most common causes of premature wood failure in outdoor post applications
- Structural strength with decorative appeal - ZMAX-galvanized steel provides the corrosion resistance demanded by outdoor environments, while the black powder-coat finish gives the finished pergola a refined, intentional look rather than the utilitarian appearance of exposed hardware
- Flexible, DIY-friendly installation - the outside flange configuration lets you fasten the base to existing concrete at whatever stage works best for your project, making this a practical choice for retrofitting posts into a partially built structure as well as new construction
Specifications
- Model Number: SAGE-B44-KT2
- Nominal Member Size: 4x4
- Steel Gauge: 14-gauge
- Width: 6-1/4 in.
- Length: 6-3/8 in.
- Height: 6-1/2 in.
- Coating: ZMAX
Frequently Asked Questions
- What fasteners are included with this kit, and are they sufficient for a complete installation?
- Yes, all required fasteners are included. The kit contains 28 SD10112DBB Outdoor Accents connector screws and 16 TNTBL25134H Titen Turbo concrete and masonry screws - enough to fully install both post bases. Each post base uses 12 connector screws and 8 Titen Turbo anchors. Note that predrilling into the concrete is required before installing the anchors.
- Does this post base work with actual 4x4 lumber, and what is the standoff feature for?
- This post base is designed for nominal 4x4 posts. The built-in standoff elevates the end of the post off the concrete surface, helping prevent direct moisture contact that can lead to wood rot over time - an important feature for outdoor structures like pergolas exposed to rain and ground moisture.
- What is the material and finish of these post bases, and are they suitable for outdoor use?
- The post bases are made from 14-gauge ZMAX-galvanized steel, which provides heavy-duty corrosion resistance for outdoor environments. They also feature a decorative black powder-coat finish that is color-matched to the included Outdoor Accents connector screws, giving pergola builds a cohesive, polished look.
- Can the post base be attached to the concrete after the pergola structure is already built?
- Yes. The outside flange design of this post base offers flexible installation, allowing you to attach it to the concrete either before or after the pergola structure is complete - making it easier to work in situations where the surrounding structure limits access.
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