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Next Day Delivery on Stock Items

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Systemair RAW Roof Cowl 800

Name: Systemair RAW Roof Cowl 800
Brand: Ducting Supplies
Price: 1657.61 GBP
Availability: InStock

£1,657.61 (ex VAT)

Shipping calculated at checkout.

Product variants

Quantity

Collection available from Ducting Supplies. Please contact us before collection to confirm stock availability and when your order will be ready.

Usually ready in 24 hours

PRODUCT INFORMATION

Systemair RAW 800 Horizontal Discharge Roof Cowl – Extra-Large GRP Roof Vent Terminal

The Systemair RAW 800 Horizontal Discharge Roof Cowl is an extra-large commercial roof ventilation terminal manufactured from UV-stabilised glass reinforced polyester (GRP), providing exceptional structural strength, corrosion resistance, and long-term weather durability in exposed rooftop environments.

Engineered for very high-airflow industrial and commercial systems, this horizontal discharge roof cowl can be installed as a passive terminal or paired with a Systemair AW plate axial fan to create a powered extract or supply ventilation solution—making it ideal for factories, schools, kitchens, leisure centres, and large plant rooms.

✅ Key Features & Benefits

UV-Stabilised GRP Construction – Lightweight yet extremely durable and corrosion-free
Horizontal Discharge Design – Efficiently directs airflow away from roof surfaces
Bird Guard Included – Prevents debris and wildlife ingress as standard
Terminal or Powered Installation – Use standalone or combine with an axial fan
Architectural Colour Options – BS or RAL finishes available on request
Commercial-Grade Reliability – Manufactured by Systemair and backed by a 1-year warranty

🏭 Suitable Applications

Ideal for:

Factory and warehouse ventilation
Commercial kitchens
Schools and colleges
Leisure centres and gyms
Plant rooms
General extract or supply systems

⚙️ Installation Options

The RAW 800 roof cowl may be installed:

As a stand-alone roof terminal, or
In conjunction with a Systemair AW plate axial fan to create a powered ventilation unit.

🔧 Optional Accessories

Enhance your installation with compatible accessories:

Back Draught Shutter – Prevents reverse airflow when the fan is off
Purlin Box – Forms a secure roof upstand for mounting
Soaker Sheet – Matches roof profiles for a weather-tight finish

🎨 Finish & Colour Options

Supplied as standard in BS 00 A 05 Goosewing Grey.

Alternative finishes in any BS or RAL colour are available at additional cost—perfect for architectural or project-specific requirements.

📊 Technical Specifications

Specification	Detail
Brand	Systemair
Mounting	Roof Mounted
Construction	UV-Stabilised GRP
Colour	Goosewing Grey (Standard)
Warranty	1 Year Manufacturer
Bird Guard	Included
Weight	34 kg
Dimensions (H × W × D)	750 mm × (1125 / 1170 mm) × (1125 / 1170 mm)
Base Size	1125 / 1170 mm Square
Applications	Factories, Schools, Kitchens, Leisure

📄 Manuals & Guides

Systemair RAW Roof Cowl 800 Installation Manual

🚀 Why Choose the Systemair RAW 800 Roof Cowl?

If you’re searching for an extra-large commercial roof ventilation cowl, heavy-duty GRP roof terminal for axial fans, or a high-capacity horizontal discharge roof vent, the RAW 800 delivers superior durability, flexible installation, and proven Systemair engineering for demanding projects.

Delivery & Collection

Next Day Delivery
Stock items ordered before 1pm can be dispatched on a next working day delivery service, subject to stock availability and carrier service. Delivery charges are calculated at checkout.

Collection Available
Orders can be collected from our Haslingden, Lancashire warehouse. Please contact us before travelling to confirm your order is ready for collection.

Downloads & Technical Documents

↓ Product Data Sheet Technical specifications, performance data and product information. DOWNLOAD DATA SHEET →