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Threshold.Shop

Super White Engineered Marble Threshold for Shower Curb, Bathroom Vanity Backsplash, Window Sill (4" x 24")

  • Based on 96 reviews
Condition: New
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To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.

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Availability: In Stock.
Fulfilled by The Threshold Shop
Arrives Tuesday, Oct 27
Order within 15 hours and 41 minutes
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Size: 4" x 24"


Features

  • VERSATILE APPLICATIONS Perfect for shower curbs, shower pan systems, window sills, and backsplashes, enhancing any space with a sleek, modern touch.
  • PREMIUM QUALITY & DURABILITY Engineered for long-lasting performance, our super white marble is highly durable, non-porous, and requires no sealing.
  • SCRATCH & STAIN RESISTANT Designed to withstand daily wear and tear, maintaining its pristine appearance over time
  • SECURE PACKING FOR SAFE DELIVERY Our top-tier protective packaging ensures your order arrives in perfect condition.
  • EXPLORE MORE WITH THRESHOLD.SHOP Click our brand name "Threshold.Shop" to discover more premium products and enjoy a seamless shopping experience.
  • **Longer Sides are Finished; shorter Sides are Unfinished

Description

Our engineered stone threshold is made from high-quality composite materials that are engineered to be highly durable and long-lasting. It is resistant to scratches, chips, and stains, making it perfect for high-traffic areas such as bathrooms and kitchens. Our engineered stone threshold features a versatile design that complements any decor. The threshold's clean lines and modern look make it a popular choice for contemporary homes. Our engineered stone threshold is easy to install and requires no special tools or equipment. It comes in a standard size that fits most projects and can be easily cut to fit custom sizes. Our engineered stone threshold is low maintenance and easy to clean. It requires no special cleaning products or procedures and can be cleaned with a mild soap and water solution. The Threshold Shop, a family-owned business, is dedicated to delivering exceptional support and top-notch products. As your reliable source for natural and engineered stone thresholds in the USA, we offer a diverse selection with various sizes, shapes, and colors to suit your needs.

Material: Engineered Stone


Brand: Threshold.Shop


Item dimensions L x W x H: 36 x 4 x 0.75 inches


Color: White


Shape: Rectangular


Brand Name: Threshold.Shop


UPC: 715450988739


Number of Items: 1


Unit Count: 1 Count


Included Components: Threshold


Item Type Name: Engineered Stone Threshold


Manufacturer: Threshold.Shop


Model Number: QTZWHITE


Item Dimensions: 36 x 4 x 0.75 inches


Item Thickness: 0.75 inches


Color: White


Item Shape: Rectangular


Item Form: Sheet


Material: Engineered Stone


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Tuesday, Oct 27

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • Zip Pay in 4
  • Financing through Apple Pay
  • Financing through Google Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

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Top Amazon Reviews

    • Perfect!
Size: 6" x 30"
Perfect solution for a windowsill with plants. Beautiful color and density. Heavyweight. Delivery was perfect. No chips or cracks
Reviewed in the United States on January 7, 2026 by LS
    • This was perfect as a backsplash on my freestanding marble vanity
Size: 5" x 60"
Review Image by Vicki G
The media could not be loaded. I had ordered a cheaper engineered marble backsplash from a big box home improvement but it came looking fake, had several small chips along the cuts and scratched so I was worried about buying another one. After looking into different prices and sizes, I decided to go with this instead. So glad that I did. It was flawless and cut with precision. No chips, cracks or scratches. Looks great, matches perfect and it was the exact dimensions that I needed. We glued it to the wall with a construction adhesive and siliconed it to the vanity. It is durable and looks just like it did when I unboxed it, several months ago. ... show more
Reviewed in the United States on July 9, 2024 by Vicki G
    • Good quality and easy to find sizes
Size: 4" x 60"
I needed a certain threshhold for my walk in shower and could not find it at any tile retailer or wholsaler in my city. It was not problem with "Thresholds". I found my width, length and color with no problem. The order was delivered by Fedex and packed very well for no damage. I will be fitting this piece into my shower this weekend. Thanks for your service and avaialbility. ... show more
Reviewed in the United States on September 12, 2025 by JCPJSCJAX
    • Great fit!
Size: 6" x 60"
Good quality product…fits perfectly! Should last for years.
Reviewed in the United States on November 17, 2025 by frank beggins
    • Quality product
Size: 5" x 36"
I used this piece for a window sill in a bathroom shower. The material is durable, dense, and looks great.
Reviewed in the United States on August 30, 2025 by S. Jobs
    • Great quality product
Size: 4" x 24"
Review Image by Rachel
Beautiful and solid quality product - well worth the money. Shows white backsplash in the bathroom that we did - see the pic below. Easy install and came packaged great so no worry of damage
Reviewed in the United States on May 1, 2025 by Rachel
    • Great product, outstanding customer service.
Size: 5" x 60"
First, the threshold we ordered was a great fit for our bathroom remodel. We didn't know we needed one until we were almost at the end of the project but the Threshold Shop had exactly what we needed. It arrived quickly and was even better than we expected. Also, the customer service they provided was the best we've experienced in a long time. We had a slight issue and they addressed it very quickly. Super helpful, great product, responsive customer service, you just can't beat it. Highly recommend. ... show more
Reviewed in the United States on March 19, 2026 by kmcshell
    • Good piece.
Size: 4" x 36"
Recommended.
Reviewed in the United States on February 21, 2024 by Billy

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