Corner Boxes

Looking for the best solution to finishing corners? Corner boxes makes your job go faster, simpler and accurately; the perfect way to complete drywall corners.


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Product Order


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Price Range

Price Range

Corner Boxes FAQs

A corner box, also known as a corner roller or corner finisher, is a tool used in drywall finishing to apply joint compound or "mud" to inside and outside corners. It is designed to provide a smooth and seamless finish to corners, eliminating the need for manual troweling.

Using a corner box offers several benefits, including faster application of joint compound, more consistent coverage, and improved efficiency. It helps achieve a professional and seamless finish in corners, reducing the need for additional sanding and touch-ups.

When choosing a corner box, consider features such as adjustable mud flow control, durable construction, comfortable grip, and compatibility with standard extension handles. These features enhance usability and ensure consistent performance.

Yes, most corner boxes are versatile and can be used for both inside and outside corners. However, it's important to consider the size and design of the corner box to ensure it fits properly in various corner angles and configurations.

Yes, corner boxes come in various sizes, such as 2-inch, 3-inch, and 4-inch models. The size of the corner box should be chosen based on the width of the drywall corner to ensure proper coverage and a seamless finish.

After each use, clean the corner box thoroughly with warm water and a soft brush to remove any dried joint compound. Ensure that all parts are dry before storing. Periodically check for wear and tear, and replace any damaged or worn parts to maintain optimal performance.

Corner boxes are typically compatible with various types of joint compound, including all-purpose mud and lightweight compounds. However, it is advisable to read the manufacturer's recommendations and guidelines for the specific corner box model to ensure optimal compatibility.

Both corner boxes and corner trowels are effective tools for finishing corners. However, corner boxes offer distinct advantages in terms of speed, consistency, and efficiency. They are especially useful for larger projects or professional drywall finishing.

You can find a range of corner boxes and other drywall finishing tools at specialized drywall supply stores, construction equipment suppliers, or online retailers such as Master Building Materials. Explore our website to discover a selection of high-quality corner boxes from reputable brands.

Complement your corner box with tools like automatic tapers, mud pans, taping knives, and sanding devices to create a complete drywall finishing kit. Visit our website for additional information and a wide selection of tools and accessories.