We use the Wet Cast method on most projects so you can expect uniform color and finishes across the entire project.
Pending Architectural Precast Association certification coming in Mid 2020APA website >> https://archprecast.org/
- 8,000 PSI Wet Cast with Sand Finish
- Wet sandblasted to exposed all bug holes and imperfections
- The entire Cast Stone item then gets hand rubbed to ensure the highest quality
- A final acid etch exposes the fine sands for a natural cut limestone appearance
- The “pre-weathered” surface will remain consistent for a very long period of time
The Covered Bridge plants uses the Continuous Improvement concept by Toyota
Continuous Improvement + the high quality Craftsmanship by our local Lancaster County Amish workforce is the main reason that Covered Bridge has become a leader in the Cast Stone Industry.
SMOOTH – ACID ETCH Definition
This finish is achieved by casting concrete against a smooth hard surface.
Drip edges are saw cut for the most uniform and effective drip edge available.
After removal from the form the element is allowed to harden to a uniform hardness.
The product is then washed with a mild wet-sandblast to remove the cement surface to a sand surface level.
Our hand rub process will then create a uniform surface across the entire piece.
A final acid rinse exposes the fine sands and creates a natural weathered look while making the new Cast Stone piece clean as a whistle.
The result is a smooth sand textured surface.
Reasons for Use
- Excellent structural strength, Cast Stone made with the Wet-Cast method can be used for the complete project.
- Acid etching produces a surface closely resembling natural stones such as limestone, brownstone and sandstone.
- The “pre-weathered” surface will remain consistent for a very long period of time.
- Detail is not damaged with acid etching.
- Exposed sand retains more “sparkle” with acid etching than with sandblasting.
- A finer sand texture can be achieved than with sandblasting.
- Brighter, deeper colors are achieved with acid etching.
- Retention of detail is best achieved with acid etching.
- Acid etching minimizes surface crazing by removing the cement skin on the surface.
- The method of applying and removing acid over a larger area is difficult to achieve with great consistency. Our innovative process produces a very consistent color and texture across entire area.
- This surface is not as easy to patch as deeper etches. (This does not apply to minor “bug” holes which are fairly easy to grout and refinish.) To ensure a durable product Kinzer Cast recycles all Cast Stone that is cracked or does not have structural integrity.
- Imperfections in the form show more readily than on deeper etches. Our hand finish and secondary acid wash eliminates all imperfections.
- Return, or vertical, casts will have air-voids. Our hand finish and secondary acid wash eliminates all air voids.
- Acid etching can be a seasonal activity in Northern climates with some producers. Our climate controlled plant gives you a consistent product year round!
- As stated above, surfaces cast vertically will have minor air voids. These will be hand rubbed and rewashed.
- The color and texture of sand used is very important with acid etched elements. It is an important ingredient in controlling the appearance and color of the precast element.
- This finish is used to achieve a bright, sparkling natural stone look. It is used successfully on smaller trim work such as sills, lintels, belt course and similar decorative elements. It is challenging and a little more expensive for large panel work
For a Quote on your next project Call today!
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