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No 8 Silicone Masterflash 178-330mm (7 to 13 inch) - High Temp.

National Flues presents the No 8 Silicone Masterflash, a premium roofing flashing designed for external pipes with diameters ranging from 178mm to 330mm. Engineered for both profiled and flat panel surfaces, this high-temp flashing not only offers exceptional weather resistance but also guarantees q... More...
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At a Glance

  • - High-temperature resistance up to 260°C (intermittent) and continuous use at 225°C
  • - Durable silicone construction for excellent weather and UV resistance
  • - Quick, one-piece installation in just five minutes
  • - Versatile design for both profiled sheeting and flat panel roofs
  • - Secure seal formation with included fixing kits (sealant, screws, and caps)
Now only £74.49
Including VAT Buy with confidence. If you find this cheaper within 48 hours of checkout, we'll refund the difference.

 

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The No 8 Silicone Masterflash 178-330mm (7 to 13 inch) - High Temp is engineered for high performance and durability. Crafted from high-quality silicone, this flashing is specifically designed to withstand extreme temperatures ranging from -74°C to 260°C. Its superior resistance to weathering caused by ozone and ultraviolet light makes it a reliable choice for various roofing applications.Designed to suit both profiled sheeting and flat panel surfaces, the No 8 Silicone Masterflash offers flexibility and ease of installation.

Thanks to its one-piece construction, you can have it in place in just five minutes. The base of the flashing is designed to form a secure seal on most panel configurations and roof pitches, regardless of the pipe's location.For installation, simply trim the opening to fit your pipe using a Stanley knife or scissors, slide the flashing over the pipe, and form it to the roof's profile. Apply the provided sealant and fasten the flashing with the screws and caps included in the two Standard Fixing Kits.

SKU: 32-802

Technical Specifications
SKU32-802
Base Size Dia431 x 431mm
Pipe External178-343mm
Roof Pitch0-18u00b0
Temperature Range225u00b0C Continuous - 260u00b0C Intermittent
MaterialHigh-quality Silicone
Installation is straightforward and designed for both professionals and skilled DIY enthusiasts. Begin by trimming the opening to suit your pipe diameter using a Stanley knife or scissors. Slide the flashing over the pipe and mould it to match the roof profile. Next, apply the provided sealant generously along the base area. Finally, secure the flashing in place using the screws and caps from the two Standard Fixing Kits supplied. Note: Ensure the surface is clean and dry prior to installation to achieve a reliable and long-lasting seal. Always refer to the accompanying installation guide for best practice and safety instructions.

It fits external pipe diameters ranging from 178mm to 330mm, equivalent to 7 to 13 inches.

Yes, it is designed to suit both profiled sheeting and flat panel surfaces.

It can withstand temperatures from -74°C to 260°C.

Due to its one-piece construction, installation usually takes no longer than five minutes.

The flashing is made from high-quality silicone, providing maximum resistance to weathering from ozone and ultraviolet light.

You'll need the Fixing Kit, which includes sealant, screws, and caps. Note that two Standard Fixing Kits are required for installation.

Yes, the No 8 Silicone Masterflash is designed for easy on-site installation.
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.

Compatible and other products that may be of interest...

Read our buyers guide for this No 8 Silicone Masterflash 178-330mm (7 to 13 inch) - High Temp.

National Flues Ltd Verdict

At National Flues, we highly recommend the No 8 Silicone Masterflash for its outstanding durability and ease of installation. Offering nationwide delivery and serving both retail and trade customers, we ensure you get the best value for your money.

The No 8 Silicone Masterflash is designed to provide a weather-resistant seal for pipes on profiled sheeting and flat panel roofing surfaces, withstanding extreme temperatures and weather conditions.

National Flues is a leading UK supplier of fireplaces and flues, offering unbeatable prices, reliable delivery, and secure online payment options. We cater to both retail and trade customers nationwide.

 

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Elevate your roofing integrity with the No 8 Silicone Masterflash – secure yours today for unmatched performance and reliability.

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