Product Description
The Simpson BC4SS BC Stainless-Steel Post Cap for 4x is a dual-purpose post cap and base from Simpson, engineered to create a positive, secure mechanical connection between a 4x post and a wood deck or beam. Built from 18-gauge stainless steel, this post cap is designed for light cap or base applications in demanding outdoor environments where high and severe corrosion resistance is a must - making it a reliable choice for decks, patio covers, and other top-supported structures.
Key Features
- Positive mechanical connection for post-to-deck applications - eliminates reliance on friction or friction-prone fastening alone, giving your structure a dependable, engineered attachment point
- Stronger than angled nailing or screw fastening - the cap-style connection distributes load more effectively, improving the overall integrity of the post assembly
- Reduces the chance of the post splitting and eliminates nailing into end grain - protects the long-term condition of your lumber by avoiding the weakest fastening point on any post
- 18-gauge stainless steel construction - provides high and severe corrosion resistance, keeping the connector structurally sound in coastal, high-humidity, and other harsh outdoor conditions
- Sized for nominal 4x posts - designed specifically for 4x lumber so the fit is precise and installation is straightforward
- Not recommended for non top-supported installations - such as fences or unbraced carports, ensuring this connector is used only where it performs as engineered
- Install with stainless-steel 16d common nails - fastener compatibility maintains full corrosion resistance throughout the connection, not just at the plate
Why This Product
- Purpose-built corrosion resistance for tough environments - stainless steel construction delivers high and severe corrosion resistance, making this post cap well-suited for outdoor deck and patio cover projects where standard hardware degrades prematurely
- A stronger alternative to traditional fastening methods - by replacing angled nailing and end-grain fastening with a positive mechanical connection, this cap reduces structural weak points and helps the post assembly perform better over time
- Dual-purpose design offers installation flexibility - the BC series functions as both a post cap and a post base for light applications, giving builders and contractors a versatile connector that works across multiple project configurations
- Made in the United States by a trusted structural connector brand - Simpson has a long-standing reputation for engineered hardware, and the BC4SS carries that same commitment to quality for residential deck and patio construction
Specifications
- MPN: BC4SS
- Member Size: 4x
- Width 1: 3-9/16 in.
- Width 2: 3-9/16 in.
- Length 1: 2-7/8 in.
- Length 2: 2-7/8 in.
- Height 1: 3 in.
- Height 2: 3 in.
- Material: Stainless Steel
- Finish: Stainless Steel
- Gauge: 18
- Install With: Stainless-steel 16d common nails (sold separately)
- Country of Origin: United States
Downloads and Resources
Frequently Asked Questions
- What makes the BC4SS stronger than standard nailing methods?
- The BC4SS post cap creates a positive mechanical connection between the post and the wood deck structure, which is stronger than angled nailing or screw fastening. It also eliminates nailing into end grain, which reduces the risk of the post splitting over time.
- Is the BC4SS suitable for use in coastal or high-moisture environments?
- Yes. The BC4SS is made from stainless steel, which provides high and severe corrosion resistance, making it well-suited for outdoor applications in coastal, high-humidity, or otherwise corrosive environments.
- What fasteners should be used to install the BC4SS?
- The BC4SS should be installed with stainless-steel 16d common nails to maintain corrosion compatibility with the stainless-steel connector.
- Can the BC4SS be used for fences or unbraced carports?
- No. The BC4SS is not recommended for non top-supported installations, such as fences or unbraced carports. It is designed for applications where the top of the post is fully supported, such as deck or patio cover construction.
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