Free Delivery over £100+ 5on Trustpilot Browse our popular stoves Fast Mainland UK Delivery Buy stoves with install packs Call 01670 206 999 for help

MI-Flash - No 5 Metal Black EPDM 101-178mm 280x280 (12-5LT)

Discover the MI-Flash No 5 Metal Black EPDM from National Flues – a premium chimney flashing engineered for durability, weather resistance, and effortless installation. Perfect for sealing chimney flues and pipe penetrations, this robust accessory, made from high-grade Black EPDM, delivers superior protection against the elements while enhancing the aesthetic appeal of your roof.

What it’s for

The MI-Flash No 5 Metal Black EPDM is used for sealing chimney flues and other pipe penetrations through roofs, ensuring a weather-tight seal.

Full features & benefits

  • ✓
    High-quality Black EPDM ensures exceptional resistance to weathering, UV radiation, and ozone, enhancing roof longevity.
  • ✓
    Superior temperature tolerance protects against both freezing and high-heat conditions, ensuring reliable sealing in extreme climates.
  • ✓
    The one-piece, pre-cut design allows for fast and easy on-site adjustments, reducing installation time and labour costs.
  • ✓
    Compatibility with various pipe sizes and roof configurations means fewer modifications and a universally secure seal.
  • ✓
    The included Fixing Kit simplifies the process by providing all necessary components, ensuring a complete and hassle-free installation.
MI-Flash - No 5 Metal Black EPDM 101-178mm 280x280
IN STOCK
Product Thumbnail
Now only £13.99
Give us a call if you find it cheaper and we'll normally price match.
  • Fast deliveryFriday, November 14th*
  • Best PriceCall us to beat any price you found online.
  • Secure checkoutCard· Google/Apple Pay· Klarna· Paypal

 

Payment Options

At a Glance

  • Durable Black EPDM construction for long-lasting performance
  • Withstands extreme temperatures from -55°C to 135°C
  • Quick, one-piece design enabling installation in just 5 minutes
  • Versatile fit for flue sizes between 101-178mm and roof pitches from 0° to 18°
  • Comes with a complete Fixing Kit including sealant, screws, and caps

Please Note: All dimensions refer to the internal diameter of flues. If unsure, please call 01670 206999 to ensure you choose the correct products.

We Won't Be Beaten On Price

At National Flues, we continuously monitor competitor prices. This ensures that we consistently offer you the best deals on all our products. Here’s how we keep your costs low:

  • Daily Price Matching: Our team adjusts prices to ensure we stay competitive.
  • Bulk Purchasing Power: We sell a lot, so we can negotiate better rates with suppliers, passing the savings directly to you.
  • Operational Efficiency: We have streamlined processes to reduce overhead.

Price Match Guarantee: If you find the same product cheaper within 48 hours, we’ll match it and refund the difference.

Free Delivery Over £100: Orders over £100 are free delivery (call us if delivery is required outside the mainland UK).

“I saved 20% on my purchase compared to other retailers. Exceptional service!” – Jane D.

Have Questions?
Phone: 01670 206999
Email: sales@nationalflues.com

Introducing the MI-Flash No 5 Metal Black EPDM, the ultimate solution for sealing your chimney flues. Crafted from high-quality EPDM, this flashing is designed to withstand extreme temperatures from -55°C to 135°C. EPDM is famed for its resistance to weathering, ozone, and UV light, ensuring your installation lasts for years.

The one-piece construction allows for quick and easy on-site installation, typically taking no longer than five minutes. Its versatile base is engineered to form a secure seal on various panel configurations and roof pitches, regardless of where the pipe is located. Installation is straightforward: simply choose the appropriate pipe opening and trim with a stanley knife or scissors, slide the flashing over the pipe, form it to the roof profile, apply sealant, and secure with the screws and caps provided in the Fixing Kit.

One Standard Fixing Kit is needed for installation.

SKU: 12-5LT

Delivery Information* +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Friday, November 14th. This is based on current lead times. Bear in mind that it is a busy time of year. If you need a product delivered by a specific time in the next 7 days, then please give us a call on 01670 206 999. Visit our Shipping Information page for more information.

About National Flues Ltd +

We began over 30 years ago as a fireplace shop in the North East. We now supply hundreds of trade professionals and thousands of retail customers, all across the UK, every month. We are still a family owned business, lead by the MD Neil, and always try our best to deliver the best possible experience. We also price match, so give us a call if you find this cheaper and want to buy from us. Visit our about us page to read a bit more.

This is us — real advice over the phone, or at the counter, and real stock in our warehouse.

Customer being served at the National Flues trade counter
Trade counter Installer collection & same-day help.
Team helping customers at the counter
Advice Real people on the phone to spec the right parts.
Friendly member of the team at the front desk
Here to help Friendly, straight answers from HETAS approved experts.
Warehouse shelves with boxed flue components being picked for dispatch
Warehouse Orders picked & dispatched nationwide.
Talk to the team Visit our trade counter
Technical Specifications
Base Dimensions280 x 280mm
Pipe External101 - 178mm
Roof Pitch0 - 18°
Temperature Rating100°C Continuous, 135°C Intermittent
MaterialBlack EPDM Rubber
Installation IncludesStandard Fixing Kit (Sealant, Screws, Caps)
Installation is straightforward. Begin by selecting the appropriate pipe opening and then trim the flashing with a Stanley knife or scissors to suit the required size. Carefully slide the flashing over the pipe, ensuring it conforms to your roof profile. Apply a generous bead of sealant and secure using the screws and caps provided in the Fixing Kit. Take care to ensure a complete, gap-free seal and adhere to all recommended safety protocols when working on the roof.

This flashing can withstand temperatures ranging from -55°C to 135°C.

It is made from EPDM, a material known for excellent resistance to weathering, ozone, and UV light.

Installation typically takes no longer than five minutes.

Yes, its base is designed to form a seal on most panel configurations and roof pitches.

You will need a Stanley knife or scissors to trim the opening and the Fixing Kit, which contains sealant, screws, and caps.

While designed for exterior use due to its weather-resistant properties, it can also be used indoors if needed.

The Fixing Kit includes sealant, screws, and caps essential for installation.

 

Call the Experts   8am-5pm
👀 8 people watching this