---
product_id: 74188289
title: "Wavin OSMA Squareline Union/Jointing Bracket for 100mm Square gutters Black 4T805 4T805b"
brand: "osma"
price: "140 zł"
currency: PLN
in_stock: true
reviews_count: 4
url: https://www.desertcart.pl/products/74188289-wavin-osma-squareline-union-jointing-bracket-for-100mm-square-gutters
store_origin: PL
region: Poland
---

# 100mm capacity Joins 2 lengths Quality seals included Wavin OSMA Squareline Union/Jointing Bracket for 100mm Square gutters Black 4T805 4T805b

**Brand:** osma
**Price:** 140 zł
**Availability:** ✅ In Stock

## Summary

> 🔧 Join the Future of Guttering!

## Quick Answers

- **What is this?** Wavin OSMA Squareline Union/Jointing Bracket for 100mm Square gutters Black 4T805 4T805b by osma
- **How much does it cost?** 140 zł with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/74188289-wavin-osma-squareline-union-jointing-bracket-for-100mm-square-gutters)

## Best For

- osma enthusiasts

## Why This Product

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

## Key Features

- • **Robust Design:** Crafted for durability, ensuring long-lasting performance in any weather.
- • **Stylish Aesthetic:** The black finish complements modern architecture beautifully.
- • **No Batteries Needed:** Ready to use right out of the box—no extra components required.
- • **Seamless Integration:** Effortlessly connects two lengths of guttering for a sleek finish.
- • **Compact & Lightweight:** Weighing only 80g, it's easy to handle and install without hassle.

## Overview

The Wavin OSMA Squareline Union/Jointing Bracket is a high-quality solution for connecting two lengths of 100mm square gutters. Designed for medium capacity systems, this durable black bracket comes with quality seals for a reliable fit, making it an essential component for any guttering project.

## Description

Wavin OSMA Squareline Union/Jointing Bracket for 100mm Square gutters Black 4T805 4T805b

## Features

- OSMA Squareline Guttering
- Jointing Bracket or Union
- Joins 2 lengths of square guttering
- 100mm 4" medium capacity square system
- Quality seals supplied with the fitting

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Wavin |
| Part Number | 4T805b |
| Package Dimensions | 12.6 x 10.5 x 7 cm; 80 g |
| Item model number | 4T805b |
| Colour | Black |
| Batteries included? | No |
| Batteries Required? | No |
| Item Weight | 80 g |

## Images

![Wavin OSMA Squareline Union/Jointing Bracket for 100mm Square gutters Black 4T805 4T805b - Image 1](https://m.media-amazon.com/images/I/71GmQJNkoIL.jpg)
![Wavin OSMA Squareline Union/Jointing Bracket for 100mm Square gutters Black 4T805 4T805b - Image 2](https://m.media-amazon.com/images/I/61HbEFxdsPL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ good
*by D***Y on 1 January 2020*

FANTASTIC, MUCH BETTER THAN GOING TO A BUILDERS YARD

### ⭐⭐⭐⭐⭐ Great service.  Bit on the dear side. But couldn't get from anywhere else
*by B***Y on 14 January 2019*

No problems. Just what I ordered

### ⭐⭐⭐ piping hot
*by W***Y on 21 March 2013*

it does what it says on the box , well pleased but a bit expensive for what it is , it must be the size cant find 100mm anywhere , but larger sizers are only a few quid where as nearly 10 pound for the item and delivery a bit steep for me cheers.

## Frequently Bought Together

- Wavin OSMA Squareline Union/Jointing Bracket for 100mm Square gutters Black 4T805 4T805b
- Wavin OSMA Squareline Stopend External 100mm Black 4T811b
- Wavin OSMA Squareline Running Outlet Straight 100mm Black 4T806b

---

## 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.pl/products/74188289-wavin-osma-squareline-union-jointing-bracket-for-100mm-square-gutters](https://www.desertcart.pl/products/74188289-wavin-osma-squareline-union-jointing-bracket-for-100mm-square-gutters)

---

*Product available on Desertcart Poland*
*Store origin: PL*
*Last updated: 2026-04-26*