MI-Flash - No 4 Metal Grey SILICONE 76-152mm 250x250
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: [email protected]
- Info
- Specs
- Install
- FAQs
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
Technical Specifications | |
---|---|
SKU | 12-4HT |
Base Size | 250mm x 250mm |
Pipe External Diameter | 76-152mm |
Roof Pitch | 0-18u00b0 |
Temperature Range | 225u00b0C Continuous - 260u00b0C Intermittent (Operational from -74u00b0C) |
Flashing Material | High-grade Grey Silicone |
Installation Method | One-piece design with supplied Fixing Kit (includes sealant, screws, and caps) |
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.
Compatible and other products that may be of interest...
National Flues Ltd Verdict
The MI-Flash No. 4 Metal Grey Silicone Flashing is an outstanding product that combines durability, efficiency, and ease of installation. Rarely beaten on price and with our reliable nationwide delivery, it's a top choice for both retail and trade customers.
The MI-Flash No. 4 Metal Grey Silicone Flashing is used to create a weatherproof seal around pipes on rooftops, suitable for both profiled sheeting and flat panel surfaces.
National Flues is a leading supplier of fireplaces and flues across the UK, serving both retail and trade customers with reliable products and dependable nationwide delivery.
