---
product_id: 254522535
title: "Exhaust Fan Roof Curb- 23” square x 20” high, 18 gauge galvanized steel construction, vented bolt together flat roof curb (23\" square)"
brand: "captive-aire"
price: "3024.19 DT"
currency: TND
in_stock: true
url: https://www.desertcart.tn/products/254522535-exhaust-fan-roof-curb-23-square-x-20-high-18
store_origin: TN
region: Tunisia
---

# 23” square base fits 24.75” fans Bolt-together flat-pack design Durable 18 gauge galvanized steel Exhaust Fan Roof Curb- 23” square x 20” high, 18 gauge galvanized steel construction, vented bolt together flat roof curb (23" square)

**Brand:** captive-aire
**Price:** 3024.19 DT
**Availability:** ✅ In Stock

## Summary

> 🏢 Elevate your rooftop game with precision and durability!

## Quick Answers

- **What is this?** Exhaust Fan Roof Curb- 23” square x 20” high, 18 gauge galvanized steel construction, vented bolt together flat roof curb (23" square) by captive-aire
- **How much does it cost?** 3024.19 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/254522535-exhaust-fan-roof-curb-23-square-x-20-high-18)

## Best For

- captive-aire enthusiasts

## Why This Product

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

## Key Features

- • **Customizable Pitch Options:** Pitched curbs available on request to optimize water runoff and roof integration.
- • **Precision Fit for Peak Performance:** Engineered to perfectly support 24.75” square exhaust fans, ensuring stability and longevity.
- • **Rugged Galvanized Steel Durability:** Constructed from 18 gauge galvanized steel to withstand harsh rooftop conditions and corrosion.
- • **Compact Shipping, Maximum Efficiency:** Flat-pack shipping saves space and cuts transportation costs, perfect for streamlined project logistics.
- • **Effortless Installation, Minimal Downtime:** Bolt-together design ships flat, enabling quick assembly and reducing on-site labor.

## Overview

The Captive-Aire Exhaust Fan Roof Curb is a robust 23” square by 20” high galvanized steel support designed for 24.75” square exhaust fans. Its bolt-together flat-pack design ensures easy transport and quick installation, while the 18 gauge steel construction guarantees long-lasting rooftop performance. Compatible with multiple fan models and customizable with pitched curbs, it’s the professional choice for efficient, reliable ventilation support.

## Description

Designed to properly support the weight of the exhaust fan for roof mounted applications. For use with fans that have a 24.75” square base. Compatible with fan models DU85HFA, DR-85HFA, NCA14FA. Bolt together design ships flat for compact transportation and storage. Minimal field installation is required. Constructed of 18 gauge galvanized steel. Pitched curbs available upon request.

## Features

- Designed to properly support the weight of the exhaust fan for roof mounted applications.
- For use with fans that have a 24.75” square base. Compatible with fan models DU85HFA, DR-85HFA, NCA14FA
- Bolt together design ships flat for compact transportation and storage. Minimal field installation is required.
- Constructed of 18 gauge galvanized steel.
- Pitched curbs available upon request.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand Name | CAPTIVE-AIRE |
| Item Weight | 34 pounds |
| Is Discontinued By Manufacturer | No |
| Installation Type | Freestanding |
| Part Number | Roof Curb |
| Form Factor | Drop-In |
| Drawer Type | Storage |
| Color | Galvanized Steel |
| Material Type | galvanized steel |
| Batteries Included? | No |
| Batteries Required? | No |

## Product Details

- **Drawer Type:** Storage
- **Material:** galvanized steel
- **Finish Type:** Galvanized
- **Brand:** CAPTIVE-AIRE
- **Model Name:** Exhaust Fan Roof Curb (compatible with DU85HFA, DR-85HFA, NCA14FA)

## Images

![Exhaust Fan Roof Curb- 23” square x 20” high, 18 gauge galvanized steel construction, vented bolt together flat roof curb (23" square) - Image 1](https://m.media-amazon.com/images/I/81FVfe-1IZL.jpg)
![Exhaust Fan Roof Curb- 23” square x 20” high, 18 gauge galvanized steel construction, vented bolt together flat roof curb (23" square) - Image 2](https://m.media-amazon.com/images/I/81OePdyeVGL.jpg)
![Exhaust Fan Roof Curb- 23” square x 20” high, 18 gauge galvanized steel construction, vented bolt together flat roof curb (23" square) - Image 3](https://m.media-amazon.com/images/I/613REZKBm0L.jpg)
![Exhaust Fan Roof Curb- 23” square x 20” high, 18 gauge galvanized steel construction, vented bolt together flat roof curb (23" square) - Image 4](https://m.media-amazon.com/images/I/41rH5mu+Z4L.jpg)
![Exhaust Fan Roof Curb- 23” square x 20” high, 18 gauge galvanized steel construction, vented bolt together flat roof curb (23" square) - Image 5](https://m.media-amazon.com/images/I/41trurlnwjL.jpg)

## Available Options

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

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**Shop now:** [https://www.desertcart.tn/products/254522535-exhaust-fan-roof-curb-23-square-x-20-high-18](https://www.desertcart.tn/products/254522535-exhaust-fan-roof-curb-23-square-x-20-high-18)

---

*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-01-28*