× National Flues
We Won't Be Beaten On Price.
Free Delivery on Orders Over £100
100% 5 Star Reviews on Trustpilot
Free Flue Design Service Available
Need Help? 01670 206999 (8am-5pm)

MI-Flash - No 5 Metal Grey SILICONE 101-178mm 280x280 (12-5HT)

National Flues proudly presents the MI-Flash No 5 Metal Grey Silicone Flashing – a robust, versatile, and high-performance solution for chimney and flue installations. This top-quality flashing system, crafted from premium metal grey silicone, is ideal for applications on both profiled sheeting and flat panel surfaces. With excellent weather resistance and easy installation, it stands as an industry-leading product for securing your property against extreme conditions.
Hover to Zoom / Click for Gallery
£19.99
Give us a call if you find it cheaper and we'll try to price match.

 

Payment Options

At a Glance

  • Quick installation in under five minutes
  • Durable Metal Grey Silicone construction
  • Superior weather resistance against UV, ozone, and extreme temperatures
  • Flexible base adapts to various roof pitches and panel configurations
  • Compatible with pipes ranging from 101mm to 178mm
  • Standard fixing kit included for hassle-free setup

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: [email protected]

The MI-Flash No 5 Metal Grey Silicone Flashing (101-178mm, 280x280) is designed to cater to an array of installation needs, whether on profiled sheeting or flat panel surfaces. Built with high-grade SILICONE, these flashings offer exceptional resistance to weathering caused by ozone and ultraviolet light. The product's one-piece construction allows for quick and efficient on-site installation, typically completed in under five minutes.

Its flexible base ensures a tight seal on diverse panel configurations and roof pitches, regardless of pipe location. Installation is hassle-free with a standard fixing kit (included), making your project smooth and straightforward. This versatile, durable flashing is ideal for extreme temperatures, performing reliably from -74°C to 260°C.

SKU: 12-5HT

Technical Specifications
SKU12-5HT
Base Size280 x 280mm
Pipe Diameter Range101-178mm
MaterialMetal Grey Silicone
Temperature Range-74u00b0C to 260u00b0C
Installation TimeUnder five minutes
Fixing KitIncluded
Roof Pitch Compatibility0-18u00b0
Ensure the installation surface is clean and completely dry before applying the flashing. Position the MI-Flash unit so that it aligns perfectly with the pipe, allowing the flexible base to form a tight seal against the panel or roof. Use the provided standard fixing kit, which includes screws, caps, and sealant, to secure the unit firmly. Once fitted, check that the flashing conforms smoothly to the roof pitch and panel configuration. For additional information, please consult the included installation manual to guarantee optimal performance.

The MI-Flash No 5 Metal Grey Silicone Flashing is suitable for both profiled sheeting and flat panel surfaces, accommodating a variety of roof types.

Yes, it can. This silicone flashing is temperature resistant from -74°C to 260°C, making it incredibly durable.

The one-piece construction allows for simple, quick installation, usually taking no longer than five minutes with a standard fixing kit.

The fixing kit includes sealant, screws, and caps needed for secure installation.

Yes, it is. The product is made from SILICONE, which is highly resistant to weathering from ozone and ultraviolet light.

It is designed to fit pipes with diameters ranging from 101mm to 178mm.

The flexible base can form a seal on most panel configurations and roof pitches, regardless of the pipe location.
Delivery Information +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Wednesday, April 30th. If you need faster stove or fireplace delivery please give us a call. We can often reduce longer lead times if we pay the carrier £25 for express delivery. Visit our Shipping Information page for more information.

Warranty & Returns +

All our products come with warranties. Mi-Flex offers a lifetime guarantee. Returns for damaged items are covered by insurance; non-damaged returns incur return delivery costs.

Price Match Guarantee +

We will match any price like for like on a retail basis. Give us a call if you find it cheaper and want to buy from us.

Read our review in our MI-Flash - No 5 Metal Grey SILICONE 101-178mm 280x280 buyers guide

Don’t miss out – secure your MI-Flash now for a reliable, hassle-free solution.

Your recently viewed products:

Multiple Payment Options- including Klarna, Clearpay, Mastercard, Visa and Paypal