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High-Quality Chimney Flue Terminals for Efficient Ventilation | National Flues

Upgrade your chimney system with our top-of-the-line TWPro BLACK Terminals. These 150mm (6 inch) terminals offer superior protection against wind, rain, and debris, ensuring efficient ventilation for your fireplace. National Flues provides a variety of terminal options to meet your specific needs and complement your chimney flue setup.
Upgrade your chimney system with our top-of-the-line TWPro BLACK Terminals. These 150mm (6 inch) terminals offer superior protection against wind, rain, and debris, ensuring efficient ventilation for your fireplace. National Flues provides a variety of terminal options to meet your specific needs and complement your chimney flue setup.


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£22.99 £1,970.99
Showing 12 of 12 items
TWPro MB - Rain Cap - Ø  150

TWPro MB - Rain Cap - Ø 150

37-150-090
£62.99 (including VAT)
In stock
PALLET (18) - TWPro MB - Rain Cap - Ø  150

PALLET (18) - TWPro MB - Rain Cap - Ø 150

37-150-090-18
£1,463.99 (including VAT)
In stock
TWPro MB - Anti-wind Cowl - Ø  150

TWPro MB - Anti-wind Cowl - Ø 150

37-150-091
£76.99 (including VAT)
In stock
PALLET (18) - TWPro MB - Anti-wind Cowl - Ø  150

PALLET (18) - TWPro MB - Anti-wind Cowl - Ø 150

37-150-091-18
£1,785.99 (including VAT)
In stock
TWPro MB - Gas Cowl - Ø  150

TWPro MB - Gas Cowl - Ø 150

37-150-092
£80.99 (including VAT)
In stock
TWPro MB - Cone Top Cowl - Ø  125

TWPro MB - Cone Top Cowl - Ø 125

37-150-093
£50.99 (including VAT)
In stock
TWPro MB - Rotating Cowl - Ø  150

TWPro MB - Rotating Cowl - Ø 150

37-150-094
£221.99 (including VAT)
In stock
TWPro MB - H-Cowl - Ø  150

TWPro MB - H-Cowl - Ø 150

37-150-103
£116.99 (including VAT)
In stock
TWPro MB - Insulation Cover Plate - Ø  150

TWPro MB - Insulation Cover Plate - Ø 150

37-150-104
£22.99 (including VAT)
In stock
TWPro MB - MI AD-Cowl - Ø  150

TWPro MB - MI AD-Cowl - Ø 150

37-150-105
£127.99 (including VAT)
In stock
TWPro MB - Rain Cap with Mesh - Ø  150

TWPro MB - Rain Cap with Mesh - Ø 150

37-150-112
£83.99 (including VAT)
In stock
PALLET (18) - TWPro MB - Rain Cap with Mesh - Ø  150

PALLET (18) - TWPro MB - Rain Cap with Mesh - Ø 150

37-150-112-18
£1,970.99 (including VAT)
In stock
Your Terminals Questions Answered

What is the purpose of a chimney flue terminal? -

Chimney flue terminals serve as protective caps that help to prevent downdrafts, water entry, and debris buildup in the chimney, ensuring efficient ventilation and safety for the fireplace.

Are chimney flue terminals easy to install? +

How often should chimney flue terminals be inspected? +

Can chimney flue terminals help improve chimney draft? +

Do chimney flue terminals come in different sizes? +

Are chimney flue terminals resistant to corrosion? +

Can chimney flue terminals be painted to match the chimney's exterior? +

When it comes to enhancing the functionality of your chimney, investing in high-quality terminals is key. Our TWPro BLACK Terminals are designed to withstand harsh weather conditions while maintaining optimal airflow. Whether you need a Gas Cowl, Rain Cap, Anti-wind Cowl, or Cone Top Cowl, we have you covered. Each terminal is crafted with precision and durability in mind, ensuring long-lasting performance and peace of mind for your fireplace system.
Why Buy Terminals Products
Chimney flue terminals play a crucial role in ensuring proper ventilation and safety for your fireplace. By installing our TWPro BLACK Terminals, you can effectively prevent downdrafts, protect against rain and snow infiltration, and improve overall air circulation. These terminals are suitable for various applications, including residential homes, commercial buildings, and industrial settings.

Trusted By Trade Professionals

Our Terminals products and services are trusted by hundreds of professionals nationwide. We're committed to providing quality and reliability that meets the high standards of our customers.

Dedicated Support

Experience our unparalleled customer service and support when you buy Terminals from National Flues. Our team is here to assist you every step of the way, ensuring your needs are met with expertise and care.

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