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No 9 Silicone Masterflash 254-467mm (10 to 18 inch) - High Temp. (32-902)

National Flues presents the No 9 Silicone Masterflash, a premium flashing solution for metal roofs and panels. Designed for high-temperature performance and robust sealing, this product delivers unmatched durability for both residential and commercial installations. Read more...
Now only £132.99
including free delivery Give us a call if you find it cheaper and we'll normally price match.
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At a Glance

  • High-temperature resistance (-74°C to 260°C)
  • Versatile design for profiled sheeting and flat panels
  • One-piece construction for a seamless watertight seal
  • Quick and simple installation (typically under 5 minutes)
  • Durable silicone material resistant to UV, ozone, and adverse weather

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 No 9 Silicone Masterflash 254-467mm is a versatile and durable solution designed for both profiled sheeting and flat panel surfaces. Engineered from high-quality silicone, it offers maximum resistance against adverse weather conditions, including ozone and ultraviolet light. This makes it perfect for environments where durability is key.

Capable of withstanding temperatures ranging from -74°C to 260°C, the Silicone Masterflash is ideal for a variety of applications.The one-piece construction ensures a straightforward, efficient installation, typically taking no longer than five minutes. The base is designed to form an effective seal around most panel configurations and roof pitches, irrespective of the pipe location. Installation is straightforward: simply select the appropriate pipe opening and trim, slide the flashing over the pipe, form it to match the roof profile, apply sealant, and secure with screws and caps—tools provided in the Fixing Kit.

Note that three Standard Fixing Kits are required for complete installation.

SKU: 32-902

Delivery Information* +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Monday, November 17th. 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
SKU32-902
Base Size635 x 635mm
Pipe External251-521mm
Roof Pitch0-45°
Temperature Range-74°C to 260°C
Installation is straightforward: select the appropriate pipe opening and trim using a Stanley knife or scissors. Slide the flashing over the pipe and form it by matching your roof profile. Apply the sealant provided in the Fixing Kit and secure with the included screws and caps. Three Standard Fixing Kits are required for a complete, secure installation. For smoother installation, use a suitable lubricant such as grease to ease sliding the flashing into position.

The No 9 Silicone Masterflash is temperature resistant from -74°C to 260°C, making it suitable for extreme conditions.

The Silicone Masterflash is constructed from high-quality silicone, offering maximum resistance to weathering, ozone, and ultraviolet light.

The installation is quick and easy, usually taking no longer than five minutes. The one-piece construction and flexible base make for an efficient process.

You'll need a Stanley knife or scissors to trim the opening, and lubrication like grease to slide the flashing over the pipe. The Fixing Kit includes the necessary sealant, screws, and caps.

Three Standard Fixing Kits are required to properly install the No 9 Silicone Masterflash.

Yes, the base is designed to seal effectively on most panel configurations and roof pitches, regardless of pipe location.

Absolutely! National Flues caters to both trade and retail customers, providing reliable delivery and secure online payments.

 

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