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Premium Flashings for a Secure Chimney Flue | National Flues

Upgrade your chimney installation with our premium flashings, specially crafted for TWPro 100MM (4 INCH) chimney flues. Our durable and weather-resistant flashings ensure a secure and leak-proof connection between the chimney and your roof, offering peace of mind and long-lasting protection for your home.
Upgrade your chimney installation with our premium flashings, specially crafted for TWPro 100MM (4 INCH) chimney flues. Our durable and weather-resistant flashings ensure a secure and leak-proof connection between the chimney and your roof, offering peace of mind and long-lasting protection for your home.


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

£8.99 £63.99
Showing 7 of 7 items
MI-Flash - No 1 Tile Black EPDM 80-200mm LD-605x505

MI-Flash - No 1 Tile Black EPDM 80-200mm LD-605x505

12-1-LD-TILE
£63.99 (including VAT)
In stock
MI-Flash - No 1 Tile Black-EPDM 80-200mm AL-605x505

MI-Flash - No 1 Tile Black-EPDM 80-200mm AL-605x505

12-1-TILE
£17.99 (including VAT)
In stock
MI-Flash - No 1 Tile Grey SILICONE 80-200mm AL-605x505

MI-Flash - No 1 Tile Grey SILICONE 80-200mm AL-605x505

12-1-TILEHT
£37.99 (including VAT)
In stock
MI-Flash - No 5 Metal Grey SILICONE  101-178mm 280x280

MI-Flash - No 5 Metal Grey SILICONE 101-178mm 280x280

12-5HT
£20.99 (including VAT)
In stock
MI-Flash - No 5 Metal Black EPDM 101-178mm 280x280

MI-Flash - No 5 Metal Black EPDM 101-178mm 280x280

12-5LT
£13.99 (including VAT)
In stock
Storm Collar - Ø  100

Storm Collar - Ø 100

15-100-082
£17.99 (including VAT)
In stock
Standard Fixing Kit

Standard Fixing Kit

32-SK1
£8.99 (including VAT)
In stock
Your Flashings Questions Answered

How do I choose the right size flashing for my chimney flue? -

It's essential to measure the diameter of your chimney flue accurately to select the correct size flashing. Our TWPro 100MM (4 INCH) flashings are designed specifically for this size, ensuring a perfect fit and optimal performance.

Are your flashings compatible with all types of roofing materials? +

Do I need professional help to install the flashings? +

Are your flashings durable enough to withstand extreme weather conditions? +

Can your flashings prevent leaks around the chimney? +

Do your flashings require maintenance over time? +

Are your flashings environmentally friendly? +

At National Flues, we pride ourselves on providing top-of-the-line flashings to complement your chimney flue system. Our flashings are expertly engineered to withstand the harshest weather conditions, keeping your chimney secure and your home safe. Whether you're a DIY enthusiast or a professional installer, our flashings are easy to install and offer a seamless finish to your chimney structure. Trust National Flues for quality, durability, and reliability in every product.
Why Buy Flashings Products
Our flashings are essential for ensuring a watertight seal around your chimney flue, preventing water penetration and potential damage to your property. They are suitable for both residential and commercial applications, offering superior protection against rain, snow, and wind. By using our flashings, you can prolong the lifespan of your chimney system and maintain efficient ventilation throughout your property.

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