---
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: "143733 som"
currency: KGS
in_stock: true
reviews_count: 7
category: "Captive Aire"
url: https://www.desertcart.kg/products/254522535-exhaust-fan-roof-curb-23-square-x-20-high-18
store_origin: KG
region: Kyrgyzstan
---

# 23” square base fits 24.75” fans Bolt-together flat-pack design 18 gauge galvanized steel durability 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:** 143733 som
**Availability:** ✅ In Stock

## Summary

> 🏗️ Elevate your ventilation 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?** 143733 som with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.kg](https://www.desertcart.kg/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 seamlessly integrate with your roof’s architecture.
- • **Effortless Assembly & Transport:** Bolt-together design ships flat, minimizing storage space and slashing installation time.
- • **Precision Fit for Top-Tier Fans:** Engineered to perfectly support 24.75” square base exhaust fans like DU85HFA, DR-85HFA, and NCA14FA.
- • **Complete Installation Kit Included:** Comes with nuts, bolts, and sealing silicone for a professional, airtight finish every time.
- • **Built to Last with Galvanized Steel:** 18 gauge galvanized steel construction ensures long-lasting corrosion resistance and structural integrity.

## Overview

The Captive-Aire Exhaust Fan Roof Curb is a robust, 23” square by 20” high galvanized steel support designed for roof-mounted exhaust fans with a 24.75” base. Its bolt-together flat-pack design ensures easy transport and quick installation, while the 18 gauge steel guarantees durability and corrosion resistance. Compatible with popular fan models DU85HFA, DR-85HFA, and NCA14FA, it also offers customizable pitched curbs to fit your roofing needs.

## 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.

Review: High quality curb - High quality curb.
Review: well constructed - comes in flat cardboard box about 30"x30"x3" comes with fabric bag with nuts and bolts it had a few extra bolts and nuts come with small tube of silver colored silicone for sealing the seams of the panels when assembling unit. there are small vent slots in the sides of the exhaust fan curb I wish it did not have these slots but it will still work the roofer will cover these slots up when the new roof is installed

## 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 |
|---------------|-------|
| ASIN | B082MRG6X5 |
| Best Sellers Rank | #624,395 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #1,545 in Household Ventilation Fans |
| Brand | CAPTIVE-AIRE |
| Brand Name | CAPTIVE-AIRE |
| Customer Reviews | 4.7 out of 5 stars 41 Reviews |
| Drawer Type | Storage |
| Finish Type | Galvanized |
| Finish Types | Galvanized |
| Form Factor | Drop-In |
| Installation Type | Freestanding |
| Item Dimensions D x W x H | 23"D x 23"W x 20"H |
| Item Weight | 34 Pounds |
| Manufacturer | Captive Aire Systems |
| Material | galvanized steel |
| Material Type | galvanized steel |
| Model Name | Exhaust Fan Roof Curb (compatible with DU85HFA, DR-85HFA, NCA14FA) |
| Mounting Type | Freestanding |
| UPC | 797435416932 |

## 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)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ High quality curb
*by A***T on December 16, 2025*

High quality curb.

### ⭐⭐⭐⭐⭐ well constructed
*by T***Y on March 22, 2020*

comes in flat cardboard box about 30"x30"x3" comes with fabric bag with nuts and bolts it had a few extra bolts and nuts come with small tube of silver colored silicone for sealing the seams of the panels when assembling unit. there are small vent slots in the sides of the exhaust fan curb I wish it did not have these slots but it will still work the roofer will cover these slots up when the new roof is installed

### ⭐⭐⭐⭐⭐ Perfectly made
*by R***N on September 9, 2020*

Perfect fit easy to install no problem at all

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

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*Product available on Desertcart Kyrgyzstan*
*Store origin: KG*
*Last updated: 2026-02-14*