---
product_id: 27194543
title: "J-Block Mounting Block - 1 Each"
brand: "alcoa home exteriors"
price: "¥4750"
currency: JPY
in_stock: true
url: https://www.desertcart.jp/products/27194543-j-block-mounting-block-1-each
store_origin: JP
region: Japan
---

# J-Block Mounting Block - 1 Each

**Brand:** alcoa home exteriors
**Price:** ¥4750
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** J-Block Mounting Block - 1 Each by alcoa home exteriors
- **How much does it cost?** ¥4750 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/27194543-j-block-mounting-block-1-each)

## Best For

- alcoa home exteriors enthusiasts

## Why This Product

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

## Description

J-Block Mounting Block - The UniBlock, universal J-Block mounting block is used to install exterior electrical outlets, water faucets, light fixtures, mailboxes, house numbers, and doorbells. Richwood mounting blocks are built to withstand the toughest weather and retain their color and beauty over the life of the home. They will not chip, crack, or split. They are simple to install and have a 2-piece design that easily adjusts from 1/2" to 1-1/4". This feature allows for easy installation over many siding choices, including insulated vinyl siding. Limited lifetime warranty. - Surface Dimensions: 8-3/16" x 8-3/16", Flange Dimensions: 7-1/2" x 7-1/2", Projection: N/A, Round Knockout: 3-11/16", Rectangular Knockout: 2-3/16" x 3-3/4", J-Channel Inside Dimensions: 1/2" Adjusts to 1-1/4", Material: Vinyl, Color: Clay, Pkg Qty: 1

## Features

- United States

## Images

![J-Block Mounting Block - 1 Each - Image 1](https://images-na.ssl-images-amazon.com/images/I/4137Qi-m3yL.jpg)

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**Shop now:** [https://www.desertcart.jp/products/27194543-j-block-mounting-block-1-each](https://www.desertcart.jp/products/27194543-j-block-mounting-block-1-each)

---

*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-02-24*