MAXI Silicone Masterflash 330-660mm (13 to 26 inch) - High Temp.
At a Glance
- - One-piece silicone construction for quick installation
- - Suitable for profiled sheeting and flat panel surfaces
- - Withstands extreme temperatures from -74°C to 260°C
- - Flexible base conforms to most roof profiles
- - Engineered for high resistance to ozone and UV light

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 MAXI Silicone Masterflash 330-660mm (13 to 26 inch) - High Temp. is your go-to solution for sealing pipe penetrations in profiled sheeting and flat panel surfaces. Crafted from high-quality silicone, this durable flashing withstands temperatures ranging from -74°C to 260°C.
Its one-piece construction ensures quick and easy installation, typically taking no more than five minutes. The flexible base conforms to most roof profiles, providing a reliable seal regardless of pipe location. Installation is straightforward: trim the pipe opening, slide the flashing over the pipe, form it to the roof profile, apply sealant, and secure with screws and caps from the Fixing Kit.
This product requires FOUR Standard Fixing Kits for proper installation. The silicone material is specifically compounded for maximum resistance to ozone and ultraviolet light, ensuring long-term durability in all weather conditions.
SKU: 32-952
Technical Specifications | |
---|---|
Base Size Diameter | 863 x 863mm |
Pipe External Range | 330-660mm (up to 724mm as per specification) |
Roof Pitch | 0-45u00b0 |
Temperature Resistance | Up to 260u00b0C |
Material | High temperature resistant silicone |
Delivery Information +
We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Friday, April 4th. 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 MAXI Silicone Masterflash is an exceptional product, combining versatility and durability. With easy installation and high resistance to extreme temperatures, it is perfect for both retail and trade customers. Enjoy reliable nationwide delivery and competitive pricing from National Flues.
The MAXI Silicone Masterflash is designed to seal pipe penetrations in profiled sheeting and flat panel surfaces, providing a weather-resistant seal that withstands extreme temperatures.
National Flues is a leading UK supplier of fireplaces and flues, offering competitively priced products with reliable nationwide delivery. Catering to both retail and trade customers, National Flues ensures high-quality solutions and secure online payments.
