---
product_id: 68516756
title: "4x8x3 Nubio Glass Block"
brand: "seves glass block"
price: "$171679"
currency: COP
in_stock: true
reviews_count: 8
category: "Seves Glass Block"
url: https://www.desertcart.co/products/68516756-4x8x3-nubio-glass-block
store_origin: CO
region: Colombia
---

# 75% light transmission 45-minute fire rating white edge coating for strong adhesion 4x8x3 Nubio Glass Block

**Brand:** seves glass block
**Price:** $171679
**Availability:** ✅ In Stock

## Summary

> ✨ Elevate your space with light, safety, and style 🌟

## Quick Answers

- **What is this?** 4x8x3 Nubio Glass Block by seves glass block
- **How much does it cost?** $171679 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co](https://www.desertcart.co/products/68516756-4x8x3-nubio-glass-block)

## Best For

- seves glass block enthusiasts

## Why This Product

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

## Key Features

- • **Privacy Meets Natural Light:** Classic Nubio wave pattern balances moderate privacy with inviting brightness.
- • **Built to Withstand & Impress:** 45-minute fire rating and thermal resistance ensure safety and energy efficiency.
- • **Seamless, Durable Installation:** White edge coating enhances mortar adhesion for a rock-solid, lasting fit.
- • **Versatile Architectural Accent:** Compact size and elegant wave texture enable creative layouts and modern-traditional blends.
- • **Illuminate Narrow Spaces with Style:** Slim 4x8 rectangular design brightens tight spots with soft, diffused daylight.

## Overview

The Seves 4x8x3 Nubio Glass Block is a premium rectangular glass block designed for architectural use, offering 75% visible light transmission, a 45-minute fire rating, and enhanced mortar adhesion via a white edge coating. Its slim profile and classic wave pattern provide a perfect balance of privacy and natural illumination, ideal for bathrooms, partitions, and narrow windows in both residential and commercial settings.

## Description

The Seves Glass Block 4x8x3 Nubio Glass Block brings elegance and versatility to architectural designs. Its classic wave pattern softly disperses light, offering moderate privacy with a bright, inviting ambiance—ideal for narrow windows, shower walls, sidelights, or accent rows. The slim rectangular format enables creative layouts that complement both modern and traditional spaces. Engineered for long-term performance, this glass block features a 45-minute fire rating, strong thermal efficiency, and an STC rating that supports quieter interiors. With 75% visible light transmission, it enhances natural illumination while reducing glare and maintaining obscurity where needed. A white bond coating ensures improved adhesion during installation, delivering a stable and lasting fit within mortarless and mortar-set systems. This unit does not contain pre-drilled holes and is not designed for crafting. Its actual dimensions of 3-3/4" × 7-3/4" × 3-1/8" ensure compatibility with most standard glass block installation frameworks.

Review: Glass rock - Good
Review: Worked! - Worked great in 27 year old bathroom glass block window.

## Features

- BRIGHTEN NARROW SPACES BEAUTIFULLY: The rectangular 4x8 design allows more layout flexibility, bringing soft, diffused daylight into bathrooms, windows, and partitions while maintaining moderate privacy.
- SLIM PROFILE, STRONG IMPACT: Ideal for creative layouts, borders, and accents thanks to its compact size and classic Nubio wave pattern that enhances visual movement.
- ENGINEERED FOR PERFORMANCE: Offers 75% light transmission, a 45-minute fire rating, and dependable thermal resistance for both residential and commercial builds.
- RELIABLE INSTALLATION QUALITY: Features a white edge coating that improves mortar adhesion and ensures durable structural integration into glass block walls.
- CRITICAL USE NOTE: Actual size 3-3/4" × 7-3/4" × 3-1/8". No pre-drilled holes. Not intended for crafting; for architectural use only.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B078YF23ST |
| Best Sellers Rank | #403,151 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #17 in Glass Blocks |
| Brand | Seves Glass Block |
| Brand Name | Seves Glass Block |
| Color | Clear |
| Customer Reviews | 4.6 out of 5 stars 46 Reviews |
| Grade Rating | Commercial |
| Item Diameter | 3.75 Inches |
| Item Dimensions | 3.75 x 3.13 x 7.75 inches |
| Item Shape | Rectangular |
| Item Thickness | 3.13 Inches |
| Item Weight | 4 Pounds |
| Item dimensions L x W x H | 3.75 x 3.13 x 7.75 inches |
| Manufacturer | Seves Glass Block |
| Material | Glass |
| Shape | Rectangular |
| Specification Met | Fire Rating: 45 |
| UPC | 750783930574 |
| Unit Count | 1.00 Count |

## Product Details

- **Brand:** Seves Glass Block
- **Color:** White
- **Item dimensions L x W x H:** 3.75 x 3.13 x 7.75 inches
- **Material:** Glass
- **Shape:** Rectangular

## Images

![4x8x3 Nubio Glass Block - Image 1](https://m.media-amazon.com/images/I/61epswesquL.jpg)

## Available Options

This product comes in different **Size, Style** options.

## Questions & Answers

**Q: Does it have a opening to put lights in**
A: This glass block does not have a hole to put lights in.

**Q: Does it have a opening to put lights in**
A: There solid glass blocks no opening.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Glass rock
*by F***S on February 9, 2026*

Good

### ⭐⭐⭐⭐⭐ Worked!
*by D***K on November 12, 2025*

Worked great in 27 year old bathroom glass block window.

### ⭐⭐⭐⭐⭐ What I ordered is what I received
*by S***S on June 29, 2025*

It was what I wanted

## Frequently Bought Together

- Seves 4 inches H x 8 inches W x 3 inches D Nubio Glass Block
- Seves Glass Block 7.5 x 7.5 x 3 Basic Wave Azure Color Glass Block

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**Shop now:** [https://www.desertcart.co/products/68516756-4x8x3-nubio-glass-block](https://www.desertcart.co/products/68516756-4x8x3-nubio-glass-block)

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*Product available on Desertcart Colombia*
*Store origin: CO*
*Last updated: 2026-03-08*