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 4 Metal Grey SILICONE 76-152mm 250x250 (12-4HT)

Discover the superior performance of the MI-Flash No. 4 Metal Grey Silicone Flashing by National Flues. Our premium silicone flashing is tailored for both profiled sheeting and flat panel surfaces, delivering unmatched durability under extreme conditions. Read more...
Now only £18.99
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

  • High-grade Grey Silicone for enhanced durability
  • Temperature resistance from -74°C to 260°C
  • Suitable for both profiled sheeting and flat panel surfaces
  • Rapid installation with a one-piece design and supplied Fixing Kit
  • Versatile base fits most panel configurations and roof pitches

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

The MI-Flash No. 4 Metal Grey Silicone Flashing 76-152mm is specifically designed for use with profiled sheeting and flat panel surfaces. With an impressive temperature resistance from -74°C to 260°C, it stands up to extreme conditions. Constructed from high-grade silicone, this flashing is built for maximum resistance to harsh weather elements including ozone and ultraviolet light.

Its one-piece design promotes quick, easy on-site installation—typically taking no longer than five minutes. The versatile base ensures a reliable seal on most panel configurations and roof pitches, regardless of pipe location. Installation is a breeze: simply choose the pipe opening, trim, slide the flashing over the pipe, form to the roof profile, apply sealant, and fasten using the supplied Fixing Kit.

SKU: 12-4HT

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.

Technical Specifications
SKU12-4HT
Base Size250mm x 250mm
Pipe External Diameter76-152mm
Roof Pitch0-18°
Temperature Range225°C Continuous - 260°C Intermittent (Operational from -74°C)
Flashing MaterialHigh-grade Grey Silicone
Installation MethodOne-piece design with supplied Fixing Kit (includes sealant, screws, and caps)
Installation is designed to be simple and efficient. Begin by selecting the appropriate pipe opening. If necessary, trim the flashing to suit the dimensions of your pipe and roof profile. Slide the flashing over the pipe, ensuring that it aligns properly with the surface. Form the flashing to closely follow the roof pitch. For an optimal seal, apply the provided sealant and secure the flashing with the included screws and cap Fixing Kit. Always check that the flashing is fitted snugly without any gaps to prevent water ingress. Optional accessories such as additional sealants or specialised trims can be sourced separately for bespoke installation needs.

The MI-Flash No. 4 Metal Grey Silicone Flashing is suitable for both profiled sheeting and flat panel surfaces.

This flashing offers impressive temperature resistance, ranging from -74°C to 260°C.

The flashing is made from high-grade silicone, ensuring maximum resistance to weathering caused by ozone and UV light.

Installation typically takes no longer than five minutes due to its one-piece design and user-friendly fixing kit.

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

To install, choose the pipe opening, trim if necessary, slide the flashing over the pipe, align to the roof profile, apply sealant, and secure with the fixing screws and caps.

Yes, the base design allows it to form a reliable seal on most panel configurations and roof pitches.

 

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