--- product_id: 700422168 title: "2 x Chocolate Brown 90° and 135° Internal Corner Joint for 23mm Window Board" brand: "truly pvc supplies" price: "256.41 DT" currency: TND in_stock: false reviews_count: 8 category: "Truly Pvc Supplies" url: https://www.desertcart.tn/products/700422168-2-x-chocolate-brown-90-and-135-internal-corner-joint store_origin: TN region: Tunisia --- # 3 versatile color options Dual-angle precision fit (90° & 135°) Easily customizable length 2 x Chocolate Brown 90° and 135° Internal Corner Joint for 23mm Window Board **Brand:** truly pvc supplies **Price:** 256.41 DT **Availability:** ❌ Out of Stock ## Summary > 🔧 Elevate your window game with precision corners that fit like a dream! ## Quick Answers - **What is this?** 2 x Chocolate Brown 90° and 135° Internal Corner Joint for 23mm Window Board by truly pvc supplies - **How much does it cost?** 256.41 DT with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/700422168-2-x-chocolate-brown-90-and-135-internal-corner-joint) ## Best For - truly pvc supplies enthusiasts ## Why This Product - Trusted truly pvc supplies brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Custom Cut to Fit:** Trim to your exact window board size for a flawless finish every time. - • **Durable & Lightweight:** Strong plastic build at just 52g ensures lasting performance without bulk. - • **Color Match Your Style:** Choose from Chocolate Brown, White, or Caramel to complement any décor. - • **Effortless DIY Upgrade:** Designed for easy installation, even if you’re a novice. - • **Perfect Dual-Angle Design:** Seamlessly switch between 90° and 135° corners with one smart joint. ## Overview This pack of 2 Chocolate Brown internal corner joints offers dual-ended 90° and 135° angles, perfect for 23mm laminated window boards. Measuring 390mm and easily cut to size, they come in three popular colors to match your décor. Lightweight and durable, these joints simplify DIY window board installations with a professional finish. ## Description 2 x Chocolate Brown External 90° / 135° Window Board JointThis plastic corner joint is double-ended. One end is used for 90° corners, while the other which is designed for 135° corners can be used to fit anything from 120-150° corners.This External corner joint is for use on rounded 23mm window sill boards - it's ideal for laminated window boards, and are 390mm long they can be cut to the exact size you require.Available in three popular colours, these joints are a great choice for matching with existing window boards. Also available in standard White and Caramel (ideal for Oak, Light Oak and Sherwood) laminated window boards. Review: Joiners - Fits like a glove Review: Check suitable for window board - if they are 5 star - desertcart marked these as suitable (customers also buy) for Hockey Bull Nosed Internal window sills. They are not suitable in this context However I have no doubt they are perfect 5 Star for the correct sills and would enable these to be fitted very easily by a novice DIY person. ## Features - Choice of colours White, Chocolate Brown or Caramel - Can be cut easily to the exact size required - Double-ended 90° Internal corner on one end and 135° Internal corner on the other ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B00K20WB82 | | Batteries Required? | No | | Batteries included? | No | | Best Sellers Rank | 42,684 in DIY & Tools ( See Top 100 in DIY & Tools ) 47 in Window-Dressing Hardware | | Colour | Chocolate Brown | | Customer Reviews | 4.3 4.3 out of 5 stars (329) | | Date First Available | 30 April 2014 | | Item Package Quantity | 2 | | Item Weight | 52 g | | Manufacturer | Quay Plastics | | Package Dimensions | 35.3 x 25 x 2.5 cm; 52 g | | Size | 2 (Pair) | ## Images ![2 x Chocolate Brown 90° and 135° Internal Corner Joint for 23mm Window Board - Image 1](https://m.media-amazon.com/images/I/61JmtLhoqaL.jpg) ![2 x Chocolate Brown 90° and 135° Internal Corner Joint for 23mm Window Board - Image 2](https://m.media-amazon.com/images/I/61UoF5JMfbL.jpg) ![2 x Chocolate Brown 90° and 135° Internal Corner Joint for 23mm Window Board - Image 3](https://m.media-amazon.com/images/I/81-uOpePBZL.jpg) ## Available Options This product comes in different **Color, Size** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Joiners *by R***B on 1 August 2025* Fits like a glove ### ⭐⭐⭐⭐ Check suitable for window board - if they are 5 star *by P***T on 15 July 2015* Amazon marked these as suitable (customers also buy) for Hockey Bull Nosed Internal window sills. They are not suitable in this context However I have no doubt they are perfect 5 Star for the correct sills and would enable these to be fitted very easily by a novice DIY person. ### ⭐⭐⭐⭐⭐ Neat and great finish *by S***D on 18 November 2024* Superb find.. as we decorated the conservatory, it was clear the joins on the sill were awful. I bought these hoping they would help, and they did. Easy to cut for fitting into the gap and looks fab. Great price too. ## Frequently Bought Together - 2 x Chocolate Brown 90° and 135° Internal Corner Joint for 23mm Window Board - Long Window Cill Capping End Caps (Pair) (White) - White UPVC End Cap for 23mm Laminated Window Board Double-Ended Window Cill Sill Trim --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.tn/products/700422168-2-x-chocolate-brown-90-and-135-internal-corner-joint](https://www.desertcart.tn/products/700422168-2-x-chocolate-brown-90-and-135-internal-corner-joint) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-07-21*