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    • Boulder Molded Privacy Fence - Stone Look

    Boulder Molded Vinyl Privacy Fence

    Note: The Boulder Molded Fence is the new version of the popular SimTek® EcoStone and Bufftech® Allegheny fence systems. All Bufftech Allegheny pages now redirect here—same trusted design, now under the Catalyst Fence brand.

    Discover the Boulder Molded Privacy Fence with SimTek® Technology—one of the most realistic and durable molded vinyl privacy fences available today. Originally known as the SimTek EcoStone and Bufftech Allegheny, this premium fence line combines the natural beauty of stone with the strength of rotationally molded polyethylene.

    • SimTek® Technology – Engineered to absorb impact, reduce noise, and withstand extreme weather conditions.
    • Stackable Panel Design – Available in 4' and 6' panels that can be stacked to create 8' or 12' tall fence lines.
    • Authentic Stone Texture – Deep molded patterns for a natural and high-end look, even up close.
    • Fade & Graffiti Resistant – UV-stabilized to retain color and clean easily with pressure washing.
    • Multiple Earth-Tone Colors – Choose from Brown, Beige, Gray, Dark Brown, and Dark Gray Granite.
    • Made in the USA – Premium-quality molded vinyl fencing backed by a Limited Lifetime Warranty.

    The Boulder molded fence is a favorite among homeowners, HOAs, developers, and commercial properties seeking privacy without the maintenance of real stone or wood. Whether you're replacing an older SimTek fence or starting a new project, Boulder delivers a secure, quiet, and beautiful perimeter for years to come.

    Compare Selected

    Boulder Molded Vinyl Privacy Fence – Durable, Stone-Look Fence with SimTek® Technology

    Formerly Known as SimTek EcoStone and Bufftech Allegheny

    If you're looking for the best combination of beauty, strength, and privacy, the Boulder Molded Vinyl Fence by Catalyst is a top-tier solution. With authentic stone texture and superior durability, Boulder is a proven favorite among homeowners, contractors, and commercial developers. Whether you’re replacing a SimTek fence or upgrading from wood or basic vinyl, Boulder delivers unmatched aesthetics and peace of mind.

    Frequently Asked Questions

    Q: What is the difference between Boulder, SimTek EcoStone, and Bufftech Allegheny?

    A: They’re the same fence design under different brand names. Boulder is the latest version manufactured by Catalyst. It uses the same SimTek® Technology and offers the same panel profiles, colors, and accessories.

    Q: Is Boulder considered a molded vinyl privacy fence?

    A: Yes. Boulder is a rotationally molded polyethylene fence, often referred to as molded vinyl. It combines the strength of structural foam with the appearance of real stone.

    Q: Can Boulder panels be stacked to create a taller fence?

    A: Absolutely. You can stack two 4' panels to make an 8' fence or two 6' panels for a 12' fence, using the appropriate posts and hardware.

    Q: How does Boulder compare to wood or traditional vinyl fencing?

    A: Boulder requires less maintenance, lasts longer, resists graffiti, and provides better sound reduction than wood or hollow vinyl panels.

    Q: Is this fence suitable for commercial or high-wind applications?

    A: Yes. Boulder’s solid construction and steel-reinforced posts make it ideal for both residential and commercial use—even in high-wind or sound-sensitive areas.

    Comparison: Boulder Fence vs. Stone Walls vs. Block/Stucco Fencing

    Feature Boulder Molded Fence Natural Stone Wall Block or Stucco Fence
    Appearance Realistic stone texture molded into each panel Authentic stone appearance Flat stucco or masonry finish
    Installation Time Quick, modular installation with minimal equipment Labor-intensive; may require heavy equipment Medium to high; multiple construction phases
    Cost $$ – Cost-effective alternative to masonry $$$$ – High material and labor costs $$$ – Materials and labor-intensive
    Maintenance Low – No painting, sealing, or repairs Medium – Can crack, weather, or grow moss Medium – May chip, stain, or require resealing
    Graffiti Resistance High – Easily cleaned with pressure washing Low – Porous surfaces absorb paint Low to Medium
    Sound Reduction Excellent – Dense polyethylene absorbs noise Excellent Very Good
    Repairability Modular panels can be easily replaced Difficult and costly to repair Repairs may require masonry work
    Ideal For Residential, HOA, commercial, sound barriers High-end estates, permanent structures Urban enclosures, walls with architectural detail

    Looking for a stone-look fence that’s easier to install than real masonry? The Boulder Molded Fence delivers the appearance of stacked stone without the hassle of concrete footings, mortar joints, or heavy equipment. It’s the perfect alternative to block, stucco, or stone walls—especially when time, budget, or flexibility matters.