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Simpson Strong-Tie 4x4 Concealed Post base CPT44Z
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Description
Designed for permanent structures in exposed locations, the CPT44Z concealed post base from Simpson Strong-Tie provides a code-required 1 in. standoff height when supporting posts in areas subject to weather, water splash or basement conditions. By lifting the post end away from the surface, it help...
Highlights
- Integrated 1-inch standoff height reduces the potential for timber decay at post ends
- Designed specifically for standard 4 in. x 4 in. posts
- Code-required standoff protection for structures exposed to weather, moisture, or basement floors
- Versatile mounting supports cast-in-place or retrofit installation using adhesive or mechanical anchors
- ZMAX galvanised finish provides protection for exterior structural applications
Key specifications
- Post Size
- 4 in. x 4 in.
- Standoff Height
- 1 in.
- Finish
- ZMAX Galvanised
- Manufacturer
- Simpson Strong-Tie
Pros
- 1-inch standoff helps prevent rot by keeping timber posts off wet surfaces
- Concealed post connection offers a neat structural finish
- Flexible mounting options including cast-in-place, adhesive, or mechanical retrofit anchoring
Cons
- Only fits 4 in. x 4 in. posts and cannot be adjusted for larger timber sizes
Frequently asked questions
What post size is the Simpson Strong-Tie CPT44Z compatible with?
The CPT44Z is designed specifically to fit 4 in. x 4 in. timber posts.
What is the purpose of the 1-inch standoff height?
The standoff height elevates the post end away from ground moisture, basements, or water splash, reducing the risk of wood decay.
How is the CPT44Z post base anchored into concrete?
It can be installed directly into concrete as a cast-in-place fixture, or retrofitted onto existing concrete using mechanical or adhesive anchors.
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