× National Flues
We Won't Be Beaten On Price.
Free Delivery on Orders Over £100
100% 5 Star Reviews on Trustpilot
Free Flue Design Service Available
Need Help? 01670 206999 (8am-5pm)

No 4 EPDM Masterflash 76-152mm (3 to 6 inch) - Low Temp. (32-401)

National Flues' No 4 EPDM Masterflash is the ultimate low temperature solution for metal roofs and flat panels. This durable sealing system, crafted from superior EPDM, offers reliable performance and outstanding weather resistance. Perfect for pipes ranging from 76mm to 152mm, our flashing combines versatility and easy installation with top-notch quality. Discover this innovative, cost-effective flashing option and explore our range of related accessories to fully enhance your roofing project.
Hover to Zoom / Click for Gallery
£15.49
Give us a call if you find it cheaper and we'll try to price match.

 

Payment Options

At a Glance

  • Premium EPDM construction for excellent weather and UV resistance
  • Versatile design suitable for profiled sheeting and flat panel roofs
  • Accommodates pipes between 76mm and 152mm (3 to 6 inches)
  • Withstands extreme temperatures from -55°C up to 135°C
  • Simple, one-piece design for a five-minute installation

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]

The No 4 EPDM Masterflash 76-152mm (3 to 6 inch) - Low Temp is tailored for use on profiled sheeting and flat panel surfaces. With an impressive temperature resistance range from -55°C to 135°C, this Masterflash is designed for low-temperature applications. Constructed from EPDM, a material chosen for its superior resistance to weathering, ozone, and ultraviolet light, this flashing promises longevity and durability.The single-piece design ensures a swift and uncomplicated installation process, often taking no more than five minutes.

The base is crafted to adapt seamlessly to various panel configurations and roof pitches, ensuring a tight seal irrespective of pipe location.INSTALLATION INSTRUCTIONS:1. Choose an appropriate pipe opening and trim it using a Stanley knife or scissors.2. Slide the flashing over the pipe.

Lubricate with grease if necessary.3. Mould the flashing to match the roof’s profile.4. Apply the included sealant from the Fixing Kit.5.

Secure using the screws and caps supplied in the Fixing Kit.One Standard Fixing Kit is required for installing this flashing.

SKU: 32-401

Technical Specifications
SKU32-401
ItemNo 4 EPDM Masterflash 76-152mm (3 to 6 inch) - Low Temp.
Base Size Diameter254 x 254mm
Pipe External76-178mm
Roof Pitch0-18u00b0
Temperature100u00b0C Continuous - 135u00b0C Intermittent (with performance down to -55u00b0C)
1. Select the appropriate pipe opening and ensure it is trimmed neatly using a Stanley knife or scissors. 2. Carefully slide the flashing over the pipe; if required, apply a small amount of grease to ease the installation. 3. Mold the flashing to match the roof’s profile, ensuring it conforms to any variations in panel configuration. 4. Apply the provided sealant from the Fixing Kit evenly to secure the flashing onto the surface. 5. Fasten using the screws and caps included in the Fixing Kit, checking that all elements are firmly in place. Important: Always review your optional accessory kit to ensure that all additional components are correctly paired with your flashing installation.

The No 4 EPDM Masterflash is made from EPDM, a material known for its excellent resistance to weathering, ozone, and ultraviolet light.

This Masterflash can withstand temperatures ranging from -55°C to 135°C, making it suitable for low-temperature applications.

The straightforward design ensures that installation typically takes no longer than five minutes.

You'll need a Stanley knife or scissors to trim the pipe opening. The Fixing Kit includes all necessary sealant, screws, and caps.

Yes, the base is designed to form a tight seal on various panel configurations and roof pitches, making it highly adaptable.

Yes, one Standard Fixing Kit is required to install the flashing. This kit is included with your purchase.

Yes, National Flues offers reliable nationwide delivery, ensuring your products arrive on time, every time.
Delivery Information +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Wednesday, April 30th. 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 on a retail basis. Give us a call if you find it cheaper and want to buy from us.

Read our review in our No 4 EPDM Masterflash 76-152mm (3 to 6 inch) - Low Temp. buyers guide

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

Secure your No 4 EPDM Masterflash today for reliable, long-lasting protection.

Your recently viewed products:

Multiple Payment Options- including Klarna, Clearpay, Mastercard, Visa and Paypal