---
product_id: 245657514
title: "FLEXTRIM #RB3: Flexible Casing Molding: 1-1/16\" Thick x 3.5\" Wide - PRE Curved to fit Specific Half Round Arches 34\" to 40\" Diameter"
brand: "flextrim"
price: "€ 185.94"
currency: EUR
in_stock: true
reviews_count: 1
url: https://www.desertcart.de/products/245657514-flextrim-rb3-flexible-casing-molding-1-1-16-thick-x
store_origin: DE
region: Germany
---

# 3.5" wide Moisture resistant 1-1/16" thick FLEXTRIM #RB3: Flexible Casing Molding: 1-1/16" Thick x 3.5" Wide - PRE Curved to fit Specific Half Round Arches 34" to 40" Diameter

**Brand:** flextrim
**Price:** € 185.94
**Availability:** ✅ In Stock

## Summary

> ✨ Elevate Your Arches with Style! ✨

## Quick Answers

- **What is this?** FLEXTRIM #RB3: Flexible Casing Molding: 1-1/16" Thick x 3.5" Wide - PRE Curved to fit Specific Half Round Arches 34" to 40" Diameter by flextrim
- **How much does it cost?** € 185.94 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.de](https://www.desertcart.de/products/245657514-flextrim-rb3-flexible-casing-molding-1-1-16-thick-x)

## Best For

- flextrim enthusiasts

## Why This Product

- Trusted flextrim brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Durable Design:** Crafted from flexible polyurethane resin, built to withstand moisture without warping or cracking.
- • **Seamless Curves:** Perfectly pre-curved for half-round arches, ensuring a flawless fit.
- • **Easy Installation:** Compatible with standard woodworking tools for a hassle-free setup.
- • **Customizable Finish:** Paintable and can be stained with gel-based stains for a personalized touch.
- • **Versatile Aesthetics:** Ideal for both interior and exterior applications, enhancing any space.

## Overview

The FLEXTRIM #RB3 is a flexible casing molding designed specifically for half-round arches ranging from 34" to 40" in diameter. With a thickness of 1-1/16" and a width of 3.5", this durable molding is made from moisture-resistant polyurethane resin, ensuring it won't warp, rot, or crack. It's easy to install with standard woodworking tools and can be customized with paint or gel-based stains.

## Description

FLEXTRIM #RB3: Flexible Casing Molding: 1-1/16" Thick x 3.5" Wide - PRE Curved to fit Specific Half Round Arches 34" to 40" Diameter

## Features

- Item #RB3: 1-1/16" thick and 3-1/2" wide flexible casing molding
- For interior and exterior use - will not warp, rot or crack when exposed to high moisture
- This item is PRE-CURVED to fit HALF round arches. Can be installed with normal woodworking tools
- Material is flexible polyurethane resin - only recommended for painting applications but can be stained with a gel based stain
- You cannot force this material to go straight, it is PRE-CURVED to fit HALF ROUND shaped arches

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | FLEXTRIM |
| Is Discontinued By Manufacturer | No |
| Size | fits 34" to 40" diameter |
| Color | Light Tan |
| Material | Flexible Polyurethane |
| Batteries Included? | No |
| Batteries Required? | No |

## Images

![FLEXTRIM #RB3: Flexible Casing Molding: 1-1/16" Thick x 3.5" Wide - PRE Curved to fit Specific Half Round Arches 34" to 40" Diameter - Image 1](https://m.media-amazon.com/images/I/31M6HbJLCyL.jpg)
![FLEXTRIM #RB3: Flexible Casing Molding: 1-1/16" Thick x 3.5" Wide - PRE Curved to fit Specific Half Round Arches 34" to 40" Diameter - Image 2](https://m.media-amazon.com/images/I/41AsPqPn68L.jpg)
![FLEXTRIM #RB3: Flexible Casing Molding: 1-1/16" Thick x 3.5" Wide - PRE Curved to fit Specific Half Round Arches 34" to 40" Diameter - Image 3](https://m.media-amazon.com/images/I/41qWd3aFJ5L.jpg)
![FLEXTRIM #RB3: Flexible Casing Molding: 1-1/16" Thick x 3.5" Wide - PRE Curved to fit Specific Half Round Arches 34" to 40" Diameter - Image 4](https://m.media-amazon.com/images/I/91otKArt1iL.jpg)
![FLEXTRIM #RB3: Flexible Casing Molding: 1-1/16" Thick x 3.5" Wide - PRE Curved to fit Specific Half Round Arches 34" to 40" Diameter - Image 5](https://m.media-amazon.com/images/I/41kJYRlQTsL.jpg)

## Available Options

This product comes in different **Size Name** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    Great product
  

*by R***N on Reviewed in the United States on July 11, 2023*

Easy to work with. Great finished product.

---

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**Shop now:** [https://www.desertcart.de/products/245657514-flextrim-rb3-flexible-casing-molding-1-1-16-thick-x](https://www.desertcart.de/products/245657514-flextrim-rb3-flexible-casing-molding-1-1-16-thick-x)

---

*Product available on Desertcart Germany*
*Store origin: DE*
*Last updated: 2026-02-08*