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No 9 EPDM Masterflash 254-467mm (10 to 18 inch) - Low Temp. (32-901)

Discover the unmatched performance of the No 9 EPDM Masterflash 254-467mm (10 to 18 inch) - Low Temp. by National Flues. This top-tier product, designed for profiled sheeting and flat panels, delivers high temperature resilience and outstanding weatherproofing. Whether you are upgrading your existing roof or installing new protective flashing, our EPDM Masterflash ensures a leak-free, durable solution every time. Ideal for professional builders and DIY enthusiasts alike, this high-performance fl Read more...
The price you pay today £104.99
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At a Glance

    Made from high-grade EPDM for superior resistance against ozone, UV and weathering
    Quick one-piece installation in under five minutes
    Accommodates a wide range of external pipe diameters (254-467mm / 10 to 18 inch)
    Versatile application on profiled sheeting and flat panels
    Operates efficiently in temperatures from -55°C to 135°C
Delivery Information +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Friday, June 6th. This is based on current delivery times for this product. Delivery for products not in our warehouses can be delayed because of third party carriers. If you need a stove, or other bulky product, to be delivered by a specific time in the next 7 days then please give us a call. We can sometimes reduce longer lead times if we pay the carrier £25 for express delivery. Visit our Shipping Information page for more information.

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All our products come with warranties and you can read in our blog about they types and terms and conditions for warranties. Mi-Flex flue liner, for example, comes with a lifetime guarantee. Give us a call if you want to know about a specific warranty. Returns for damaged items are covered by insurance; non-damaged returns incur return delivery costs.

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We will match any price, like-for-like, on a retail basis. Give us a call if you find it cheaper and want to buy from us.

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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:

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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).

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Have Questions?
Phone: 01670 206999
Email: [email protected]

The No. 9 EPDM Masterflash 254-467mm (10 to 18 inch) is a superior flashing solution suitable for profiled sheeting and flat panel surfaces, effortlessly handling external pipe diameters from 254mm to 467mm. This product boasts a high-temperature resistance ranging from -55°C to 135°C, offering excellent durability. Constructed from EPDM, it is specifically designed for maximum resistance against weathering caused by ozone and ultraviolet light.

Its one-piece construction allows for quick and easy on-site installation, generally taking no longer than five minutes. Its versatile base is engineered to create a tight seal on a variety of panel configurations and roof pitches, irrespective of pipe location. Installation is straightforward, involving trimming the pipe opening, lubricating and sliding the flashing over the pipe, forming it to the roof’s profile, applying the provided sealant, and fastening with the screws and caps available in the standard Fixing Kit.

Note that three Standard Fixing Kits are required to properly install this flashing.

SKU: 32-901

Technical Specifications
SKU32-901
Product NameNo 9 EPDM Masterflash 254-467mm (10 to 18 inch) - Low Temp.
Pipe External254-467mm
Base Size Diameter635 x 635mm
Roof Pitch0-18u00b0
Temperature Range-55u00b0C to 135u00b0C
MaterialEPDM
Installation is straightforward: First, trim the pipe opening to the required size using a Stanley knife or scissors. Next, apply a lubricant to ensure the flashing slides easily over the pipe. Carefully position the No 9 EPDM Masterflash over your chosen pipe, ensuring it aligns perfectly with the roof profile. Once in place, form the flashing to match the panel configuration and roof pitch. Finally, apply the provided sealant and secure it with the appropriate screws and caps from the standard Fixing Kit. Note that for optimal sealing, three Standard Fixing Kits are required. Ensure all tools and materials are prepared before starting, and always wear appropriate safety gear.

The No. 9 EPDM Masterflash is suitable for both profiled sheeting and flat panel surfaces, ensuring flexibility in various installation settings.

This Masterflash can withstand temperatures ranging from -55°C to 135°C, making it suitable for diverse environmental conditions.

The Masterflash is made of EPDM, which is compounded for high resistance to weathering, ozone, and ultraviolet light.

The one-piece construction of the Masterflash allows for quick on-site installation, typically taking no longer than five minutes.

You'll need basic tools like a Stanley knife or scissors for trimming, and the provided Fixing Kit which includes sealant, screws, and caps for a secure fit.

Three Standard Fixing Kits are required to properly install this Masterflash.

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

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