Product Description
The Simpson BC40SS BC Stainless-Steel Post Base for 4x by Simpson is a light-duty post and column base designed to secure the bottom of a 4x post or column to a wood deck - ideal for decks, patio covers, and similar outdoor structural applications. Built from 18-gauge stainless steel, this post base delivers reliable corrosion resistance in high and severe corrosion environments while creating a stronger, more secure connection than angled nailing or screw fastening alone.
Key Features
- Positive post-to-deck connection - mechanically ties the post base to the wood deck surface, reducing movement and improving overall structural integrity compared to traditional fastening methods
- Stronger than angled nailing or screw fastening - gives the installer a more dependable load path, reducing reliance on fastener-only connections that can loosen or work free over time
- Reduces the chance of the post splitting and eliminates nailing into end grain - protects the post from common installation damage, extending the service life of the structural member
- 18-gauge stainless steel construction - provides high and severe corrosion resistance, making this base well-suited for exposed outdoor environments where standard steel hardware would degrade prematurely
- Sized for nominal 4x lumber - designed specifically for standard 4x posts, ensuring a properly fitted, code-consistent installation without modification
- Not recommended for non top-supported installations such as fences or unbraced carports - clearly defined application limits help buyers select the right base for safe, compliant use
Why This Product
- Built for harsh outdoor conditions - stainless steel construction resists corrosion in high and severe exposure environments, making this post base a sound long-term choice for decks and patio covers subject to moisture and the elements
- A safer, stronger alternative to field fastening - by providing a positive mechanical connection and eliminating nailing into end grain, this base reduces the risk of post splitting and connection failure that can occur with angled nailing or screw fastening
- Engineered for a precise fit on 4x lumber - purpose-built for nominal 4x post sizes, this base installs cleanly and consistently without the guesswork or fit issues that come with using a mismatched connector
- Made in the United States by a trusted structural connector brand - Simpson hardware is a recognized name in structural connectors, and domestic production reflects consistent quality standards for load-bearing construction applications
Specifications
- MPN: BC40SS
- Brand: Simpson Strong-Tie
- Member Size: 4x
- Width 1: 3-9/16 in.
- Length 1: 3-1/4 in.
- Height 1: 2-1/4 in.
- Material: Stainless Steel
- Finish: Stainless Steel
- Gauge: 18
- Install With: Install with stainless-steel 16d common nails (sold separately)
- Country of Origin: United States
Downloads and Resources
Frequently Asked Questions
- What size post is the BC40SS designed for?
- The BC40SS is designed for a nominal 4x post size, making it suitable for standard 4x lumber used in decks, patio covers, and similar light-duty structural applications.
- Why is stainless steel important for this post base?
- The stainless steel construction provides high and severe corrosion resistance, making the BC40SS well-suited for outdoor environments and locations exposed to harsh or corrosive conditions where standard steel hardware would degrade prematurely.
- Can the BC40SS be used for fences or unbraced carports?
- No. The BC40SS is not recommended for non top-supported installations such as fences or unbraced carports. Post bases do not provide adequate resistance to prevent members from rotating about the base in those types of applications.
- What fasteners should be used to install the BC40SS?
- The BC40SS should be installed with stainless-steel 16d common nails. Using the specified fasteners is essential to ensure a proper and secure connection.
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