Ultra Kast White concrete counter top bag mix

$27.00

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Product Description

Ultra Kast is a pre-blended, all in one, high-strength, self-leveling concrete mix designed for the creation of concrete countertops. Ultra Kast offers the very best graded blend of aggregates, Portland cement, and proprietary admixtures to ensure no-curl, shrink, or deformation. The use of a specialized acrylic fiber network and ultra-low water addition make Ultra Kast the top choice for both your precast and cast in place designs. Ultra Kast is designed to use in countertop pours down to 1 inch in thickness if supported properly.

  • White concrete countertop mix, available in gray
  • Non-intrusive reactive fiber system for improved tensile strength
  • Quick cure time allows for grinding and polishing 24 hrs later
  • Works with all stains, integral colors, and hardeners
  • Mixes, pours and fills with almost no effort
  • Self-consolidating for fewer bug holes
  • 50 lb bags
  • Coverage 2.5 square feet at two inches thick

White concrete countertops are a modern and durable choice for kitchens, bathrooms, and commercial spaces, offering a clean and customizable look. The Ultra Kast white concrete countertop mix from Walttools makes it easier than ever to achieve professional-grade results with minimal effort. Designed for strength, workability, and a smooth finish, this high-performance mix is ideal for both new DIYers and experienced contractors. Its bright white color is perfect for a contemporary aesthetic or for adding pigments to create custom tones.

Using Ultra Kast white concrete countertop mix is simple: just add water, mix, and pour into your forms. The formula is engineered to flow easily and reduce air pockets, helping you achieve a smooth, flawless surface without excessive finishing. With quick demolding time and minimal shrinkage, you’ll save time while producing a long-lasting, stain-resistant surface. Whether you’re crafting a unique kitchen island or a sleek bathroom vanity, Ultra Kast offers both beauty and reliability.

 

Questions About Ultra Kast White Concrete Counter Top Bag Mix

Specifications

Weight 50 lbs
Dimensions 22 × 12 × 6 in
Color

Application

Countertops, Polishable, Precast

Compatable With

Color Pacs

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FAQS

What makes Ultra Kast white concrete countertop mix different from regular concrete?
Ultra Kast is specially formulated for countertop applications, offering higher strength, better flowability, and a smoother finish than standard concrete. It contains additives that reduce shrinkage and cracking while enhancing the white color. This mix also supports quicker demolding times, making it ideal for both professionals and DIY users.
Can I add color or pigments to Ultra Kast white concrete countertop mix?
Yes, the bright white base of Ultra Kast makes it an excellent canvas for integral color pigments or stains. You can achieve a wide range of custom colors by mixing in concrete-safe pigments during the blending process. Always test your color mix on a small sample first to ensure it meets your expectations.
How long does it take for the countertop to cure and be ready for use?
Initial curing allows for demolding within 18–24 hours under normal conditions. However, full cure strength is typically reached after 7 days, with continued hardening over 28 days. It’s best to wait at least a few days before sealing and allow the sealer to cure before heavy use.
Do I need any special tools or experience to use this mix?
Ultra Kast is user-friendly and can be used with standard concrete tools such as mixers, forms, and trowels. While prior experience helps, first-time users can achieve professional-looking results by following the instructions carefully. For best results, using a concrete vibrator or tapping the forms helps remove air bubbles and ensure a smooth finish.

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