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High-Quality Flashings for Your Chimney Flue - Buy Now!

Flashings are essential components for chimney flues, ensuring a weatherproof seal where the flue passes through the roof. Our Chimney Flue TWPro 125MM Flashings are top-notch, designed to fit perfectly and offer reliable protection. These flashings come in different configurations, providing options for various roof angles and diameters. Made with quality materials, they are built to last and withstand harsh weather conditions. Upgrade your chimney system with our lead-free flashings for a secure and professional finish.
Flashings are essential components for chimney flues, ensuring a weatherproof seal where the flue passes through the roof. Our Chimney Flue TWPro 125MM Flashings are top-notch, designed to fit perfectly and offer reliable protection. These flashings come in different configurations, providing options for various roof angles and diameters. Made with quality materials, they are built to last and withstand harsh weather conditions. Upgrade your chimney system with our lead-free flashings for a secure and professional finish.


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Call our TWPro advisers on 01670 206 999 if you need any helping with your system design.

£8.99 £149.99
Showing 15 of 15 items
MI-Flash - No 1.5 Tile Black EPDM (125-225mm) LD-705x501

MI-Flash - No 1.5 Tile Black EPDM (125-225mm) LD-705x501

12-15-LD-TILE
£79.99 (including VAT)
In stock
MI-Flash - No 1.5 Tile Grey SILICONE (125-225mm) LD-705x501

MI-Flash - No 1.5 Tile Grey SILICONE (125-225mm) LD-705x501

12-15-LD-TILEHT
£98.99 (including VAT)
In stock
MI-Flash - No 1.5 Tile Black EPDM (125-225mm) AL-705x501

MI-Flash - No 1.5 Tile Black EPDM (125-225mm) AL-705x501

12-15-TILE
£22.99 (including VAT)
In stock
MI-Flash - No 6 Metal Grey SILICONE 127-230mm 304x304

MI-Flash - No 6 Metal Grey SILICONE 127-230mm 304x304

12-6HT
£24.99 (including VAT)
In stock
MI-Flash - No 6 Metal Black EPDM 127-230mm 304x304

MI-Flash - No 6 Metal Black EPDM 127-230mm 304x304

12-6LT
£15.99 (including VAT)
In stock
Storm Collar - Ø  125

Storm Collar - Ø 125

15-125-082
£19.99 (including VAT)
In stock
Lead Slate, Pitch 36°-45°, suitable for TW Ø 125mm

Lead Slate, Pitch 36°-45°, suitable for TW Ø 125mm

32-125-TWLRG45
£104.99 (including VAT)
In stock
Lead Slate, Pitch 25°-35°, suitable for TW Ø 125mm

Lead Slate, Pitch 25°-35°, suitable for TW Ø 125mm

32-125-TWLS35
£66.99 (including VAT)
In stock
Lead Slate, Pitch 36°-45°, suitable for TW Ø 125mm

Lead Slate, Pitch 36°-45°, suitable for TW Ø 125mm

32-125-TWLS45
£76.99 (including VAT)
In stock
Standard Fixing Kit

Standard Fixing Kit

32-SK1
£8.99 (including VAT)
In stock
Lead Free Flashing 0° to 20°, S/S Cone , Black Base - Ø 175 OD (125mm ID)

Lead Free Flashing 0° to 20°, S/S Cone , Black Base - Ø 175 OD (125mm ID)

15-125-080
£149.99 (including VAT)
Out of stock
Lead Slate, Pitch 25°-35°, suitable for TW Ø 125mm

Lead Slate, Pitch 25°-35°, suitable for TW Ø 125mm

32-125-TWLRG35
£98.99 (including VAT)
Out of stock
Your Flashings Questions Answered

What are flashings used for? -

Flashings are used to create a watertight seal around the chimney flue where it passes through the roof, preventing water leaks and ensuring the integrity of the roof system.

Are these flashings suitable for all types of roofs? +

Do I need professional help to install these flashings? +

Are these flashings durable? +

Can these flashings be painted to match my roof color? +

Do these flashings require maintenance? +

Are lead-free flashings better for the environment? +

Can these flashings be used in areas prone to high wind or heavy rain? +

When it comes to maintaining a chimney, flashings play a crucial role in keeping your flue system safe and efficient. Our Chimney Flue TWPro 125MM Flashings are crafted with precision to meet the highest standards. They are easy to install and offer a snug fit around the flue, preventing any leaks or water damage. Whether you're a tradesperson or a DIY enthusiast, these flashings are a must-have for any chimney project. Browse through our range of flashings to find the perfect fit for your chimney flue system.
Why Buy Flashings Products
Our flashings are versatile and suitable for various applications. They are ideal for both residential and commercial chimneys, providing a secure seal that keeps out moisture and debris. Whether you're installing a new chimney system or upgrading an existing one, our flashings are the perfect choice. With different options available, you can select the right flashing based on your roof angle and flue diameter. Trust our Chimney Flue TWPro 125MM Flashings to deliver excellent performance and durability for years to come.

Trusted By Trade Professionals

Our Flashings 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 Flashings from National Flues. Our team is here to assist you every step of the way, ensuring your needs are met with expertise and care.

Call the Experts   8am-5pm