× National Flues
We Will NOT Be Beaten on Price.
Free Delivery on Orders Over £100
5 Star Reviewed on Trustpilot
Free Flue Design Service Available
Help? 01670 206999 (8am-5pm)

No 5 EPDM Masterflash 102-178mm (4 to 7 inch) - Low Temp.

Discover the No 5 EPDM Masterflash 102-178mm - Low Temp. from National Flues, the ideal flashing solution for metal roofs and flat panels. Engineered with premium EPDM, this durable and weather-resistant product offers reliable sealing for external pipe applications. Whether you are a trade professi... More...
Hover to Zoom / Click for Gallery

At a Glance

  • Composed of high-quality EPDM for outstanding weather and UV resistance
  • Operates in an impressive temperature range from -55°C to 135°C
  • Single-piece construction ensures quick and hassle‐free installation (approx. 5 minutes)
  • Versatile design fits various roof pitches and profiled sheeting or flat panel surfaces
  • Comes with a Standard Fixing Kit including sealant, screws, and caps for secure attachment
Now only £17.99
Including VAT Buy with confidence. If you find this cheaper within 48 hours of checkout, we'll refund the difference.

 

Payment Options

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 5 EPDM Masterflash 102-178mm (4 to 7 inch) is designed with both versatility and durability in mind. Ideal for use on profiled sheeting and flat panel surfaces, it can withstand temperatures ranging from -55°C to 135°C. Crafted from high-quality EPDM, this flashing is specially compounded for maximum resistance against weathering, ozone, and ultraviolet light, ensuring long-lasting performance.

Its single-piece construction facilitates swift and straightforward on-site installation, typically taking no more than five minutes to complete. The adaptable base is engineered to securely seal various panel configurations and roof pitches, regardless of the pipe location. For installation, simply trim the opening to fit your pipe diameter, slide the flashing over the pipe, form it to the roof profile, apply sealant, and secure with the provided screws and caps from the Standard Fixing Kit.

SKU: 32-501

Technical Specifications
SKU32-501
Product NameNo 5 EPDM Masterflash 102-178mm (4 to 7 inch) - Low Temp.
Base Size Diameter280 x 280mm
Pipe External101-210mm
Roof Pitch0-18u00b0
Temperature Range100u00b0C Continuous / 135u00b0C Intermittent
MaterialHigh-quality EPDM
Installation TimeApproximately 5 minutes
To install the No 5 EPDM Masterflash, start by trimming the pre-formed opening to precisely match your pipe diameter. Carefully slide the flashing over the pipe, ensuring it sits snugly. Form the base to the roof profile, paying special attention to any irregularities in panel configuration or pitch. Apply a high-quality sealant along the perimeter where the flashing meets the roof surface, then secure it using the provided screws and caps from the Standard Fixing Kit. For optimal performance, it is advisable to lightly lubricate the flashing if it proves resistant to sliding. Always double-check that the sealing is uniform to prevent moisture ingress. Consider exploring optional accessories like enhanced lubrication agents or supplemental trimming guides to further ease the installation process.

The No 5 EPDM Masterflash is made from high-quality EPDM, known for its exceptional resistance to weathering, ozone and ultraviolet light.

The installation process is quick and easy, usually taking no longer than five minutes.

This flashing can withstand temperatures ranging from -55°C to 135°C, making it suitable for various climate conditions.

Yes, the flashing comes with a Standard Fixing Kit that includes sealant, screws, and caps for a secure installation.

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

The installation requires basic tools like a Stanley knife or scissors for trimming the opening, and you may need to lubricate the flashing with grease to slide it over the pipe.

Yes, the No 5 EPDM Masterflash is an excellent choice for both trade and retail customers, offering durability and ease of installation.
Delivery Information +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Thursday, April 3rd. 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 5 EPDM Masterflash 102-178mm (4 to 7 inch) - Low Temp.

National Flues Ltd Verdict

The No 5 EPDM Masterflash 102-178mm is an excellent choice for both trade and retail customers. Its durability and ease of installation make it a favourite. At National Flues, we pride ourselves on offering competitive prices and dependable nationwide delivery.

The No 5 EPDM Masterflash is designed to create a secure seal around external pipe diameters on profiled sheeting and flat panel surfaces, providing a durable and weather-resistant solution.

National Flues is a trusted supplier of fireplaces and flues in the UK, renowned for competitive pricing, reliable delivery, and serving both retail and trade customers nationwide.

 

Our Rating Image

Secure this robust solution now and fortify your roof against the elements!

Your recently viewed products:

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