MI-Flash - No 6 Metal Grey SILICONE 127-230mm 304x304
At a Glance
- High temperature tolerance from -74°C to 260°C
- Quick and simple one-piece installation
- Durable, weather-resistant grey silicone finish
- Universal fit for both profiled sheeting and flat panel roofs
- Engineered for reliable sealing around pipes

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]
- Info
- Specs
- Install
- FAQs
The MI-Flash No 6 Metal Grey Silicone 127-230mm 304x304 Flashing is the ideal solution for sealing around pipes on both profiled sheeting and flat panel roof surfaces. Constructed from high-quality silicone, this flashing stands up to extreme temperature ranges from -74°C to 260°C and ensures durability against weathering, ozone, and ultraviolet light. Installation is quick and easy, typically taking no longer than five minutes thanks to its one-piece design.
The base is engineered to fit various panel configurations and roof pitches, ensuring a perfect seal regardless of pipe location. To install, simply trim the pipe opening, slide the flashing over the pipe, form it to the roof profile, apply the supplied sealant, and fasten with the screws and caps in the Fixing Kit. One Standard Fixing Kit is required for installation.
SKU: 12-6HT
Technical Specifications | |
---|---|
Base Size | 304 x 304 mm |
Pipe External | 127-230 mm |
Roof Pitch | 0-18u00b0 |
Temperature | 225u00b0C Continuous - 260u00b0C Intermittent |
Cone Material | Grey Silicone |
Installation Kit | Standard Fixing Kit required |
Delivery Information +
We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Thursday, April 3rd. 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. If you find it cheaper within 48 hours, we'll refund the difference.
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National Flues Ltd Verdict
The MI-Flash No 6 Metal Grey Silicone Flashing is a premium choice for any roofing project, offering exceptional weather resistance and a simple installation process. We deliver nationwide and cater to both retail and trade customers, ensuring you get the best price and reliable delivery service.
The MI-Flash No 6 Metal Grey Silicone Flashing is designed to provide a secure seal around pipes on rooftops, protecting against leaks and weather damage.
National Flues is a trusted supplier of fireplaces and flues across the UK, renowned for competitive pricing, reliable delivery, and excellent customer service for both retail and trade customers.
