About This Item

You'll no longer have the need for time consuming mitre cuts with our rounded outside corner baseboard block.
Fits THIN baseboards up to 5/8 inches thick and 5.5 inches tall. Can be cut down to height in order to match shorter baseboards.
Fits the standard ¾” radius rounded bullnose corners.
Made of Pine. Ready to be primed, painted, and installed.
Dimensions: 5/8" thick x 5.5" height

Product Description

Product description

Making Baseboard Installation on Rounded Bullnose Corners EASY!

Why Use a Rounded Corner Trim Block?

Our bullnose corner baseboard trim block creates a smooth, seamless transition where two baseboards meet at an outside bullnose corner. Ideal for walls with bullnose (rounded) drywall corners, this trim block adds a clean, finished look without the need for complex miter cuts.

Fizdro Baseboard Corner Blocks - Benefits

Perfect Fit for Rounded Corners

Designed specifically for bullnose drywall corners, this trim block ensures a seamless and professional transition between baseboards—no awkward gaps or sharp edges.

No Longer Require Difficult Miter Cuts

Save time and hassle with this easy-to-install corner solution. No need to measure and cut precise angles—just slide your baseboards up to the block for a clean, finished look.

Durable and Paint-Ready Finish

Made from high-quality, pine, the block is ready to paint and built to last—offering a sanded finish and customization to match your interior style.

Product Specifications

Fits 90 degree Bullnose Rounded Corners

Have bullnose corners and want an easy solution to add baseboard to them? Our bullnose corner plinth blocks fit 90 degree standard bullnose corners.

Installation Guide - How to Install

Cut to Height

Measure the height of your baseboards and cut the corner block to the height of your baseboards.

Prime and Paint

Prime and paint the corner block.

Install with Silicone or Construction Adhesive

Apply adhesive, such as silicone or a construction adhesive, to the back of the corner block and place it on the corner. Allow time for it to dry and stay in place. Join your baseboards up to the corner block and install those in place.Using silicone, plastic wood, or drywall mud cover any gaps between the baseboards and corner block. Sand away any imperfections.Add silicone in the gap between the corner block and wall.Add a last coat of paint.

5.5" x 5/8" Rounded Outside Bullnose Corner Baseboard Molding and Trim Block for Thin Baseboard. Pine. (10)

5.5" x 5/8" Rounded Outside Bullnose Corner Baseboard Molding and Trim Block for Thin Baseboard. Pine. (10)