--- product_id: 235169912 title: "Exhaust Fan Roof Curb- 19.5” square x 20” high, 18 gauge galvanized steel construction, vented bolt together flat roof curb (19.5\" square)" brand: "captive-aire" price: "¥119599" currency: JPY in_stock: true category: "Captive Aire" url: https://www.desertcart.jp/products/235169912-exhaust-fan-roof-curb-19-5-square-x-20-high store_origin: JP region: Japan --- # 19.5” square footprint Bolt-together flat-pack design 18 gauge galvanized steel durability Exhaust Fan Roof Curb- 19.5” square x 20” high, 18 gauge galvanized steel construction, vented bolt together flat roof curb (19.5" square) **Brand:** captive-aire **Price:** ¥119599 **Availability:** ✅ In Stock ## Summary > 🏗️ Elevate your ventilation game with the ultimate roof curb support! ## Quick Answers - **What is this?** Exhaust Fan Roof Curb- 19.5” square x 20” high, 18 gauge galvanized steel construction, vented bolt together flat roof curb (19.5" square) by captive-aire - **How much does it cost?** ¥119599 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/235169912-exhaust-fan-roof-curb-19-5-square-x-20-high) ## 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 - • **Space-Saving Shipping:** Flat-pack design reduces transport costs and storage footprint - • **Effortless Installation:** Bolt-together design ships flat, minimizing on-site setup time - • **Rugged Galvanized Steel:** 18 gauge steel ensures long-lasting corrosion resistance and strength - • **Customizable Pitch Options:** Pitched curbs available on request for tailored roof applications - • **Precision Fit for 21” Fans:** Seamlessly supports popular exhaust fan models like DU33HFA & DR-50HFA ## Overview The Captive-Aire Exhaust Fan Roof Curb is a robust 19.5” square by 20” high galvanized steel support structure designed specifically for 21” base exhaust fans. Its bolt-together flat-pack design ensures compact shipping and quick installation, while compatibility with multiple fan models and optional pitched curbs make it a versatile, durable solution for professional roof-mounted ventilation systems. ## Description Designed to properly support the weight of the exhaust fan for roof mounted applications. For use with fans that have a 21” square base. Compatible with fan models DU33HFA, DU50HFA, DR-33HFA, DR-50HFA. DD11FA, DD13FA 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 21” square base. Compatible with fan models DU33HFA, DU50HFA, DR-33HFA, DR-50HFA. DD11FA, DD13FA - 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 | B082MTCTV9 | | Best Sellers Rank | #785,356 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #2,035 in Household Ventilation Fans | | Brand Name | CAPTIVE-AIRE | | Customer Reviews | 4.7 4.7 out of 5 stars (41) | | Drawer Type | Storage | | Finish Types | Painted | | Form Factor | Drop-in | | Installation Type | Drop-In | | Item Dimensions D x W x H | 20"D x 19.5"W x 20"H | | Item Weight | 30 pounds | | Manufacturer | Captive Aire Systems | | Manufacturer Part Number | Roof Curb | | Material Type | galvanized steel | | Mounting Type | Roof Mount | | UPC | 797435416949 | ## Product Details - **Brand:** CAPTIVE-AIRE - **Drawer Type:** Storage - **Finish Type:** Painted - **Form Factor:** Drop-in - **Material:** galvanized steel ## Images ![Exhaust Fan Roof Curb- 19.5” square x 20” high, 18 gauge galvanized steel construction, vented bolt together flat roof curb (19.5" square) - Image 1](https://m.media-amazon.com/images/I/31BUGFdBUpL.jpg) ![Exhaust Fan Roof Curb- 19.5” square x 20” high, 18 gauge galvanized steel construction, vented bolt together flat roof curb (19.5" square) - Image 2](https://m.media-amazon.com/images/I/31qeTaTU42L.jpg) ![Exhaust Fan Roof Curb- 19.5” square x 20” high, 18 gauge galvanized steel construction, vented bolt together flat roof curb (19.5" square) - Image 3](https://m.media-amazon.com/images/I/41knfBnUHHL.jpg) ![Exhaust Fan Roof Curb- 19.5” square x 20” high, 18 gauge galvanized steel construction, vented bolt together flat roof curb (19.5" square) - Image 4](https://m.media-amazon.com/images/I/41rH5mu+Z4L.jpg) ![Exhaust Fan Roof Curb- 19.5” square x 20” high, 18 gauge galvanized steel construction, vented bolt together flat roof curb (19.5" square) - Image 5](https://m.media-amazon.com/images/I/41trurlnwjL.jpg) ## Available Options This product comes in different **Size** options. ## Frequently Bought Together - Exhaust Fan Roof Curb- 19.5” square x 20” high, 18 gauge galvanized steel construction, vented bolt together flat roof curb (19.5" square) - Restaurant Canopy Hood Grease Rated Exhaust Fan- High Speed Direct Drive Centrifugal Upblast Exhaust Fan with speed control- 21" Base, 0.50 HP 115 Volt Single Phase Motor, 900-1500 CFM (DU50HFA) - Grease Box for Restaurant Canopy Hood Exhaust Fan (Includes Down Spout) --- ## 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.jp/products/235169912-exhaust-fan-roof-curb-19-5-square-x-20-high](https://www.desertcart.jp/products/235169912-exhaust-fan-roof-curb-19-5-square-x-20-high) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-09-18*