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Master Flash® Multi Flash

£10.09£368.57

Material: EPDM or Silicone

Available in 9 sizes in EPDM: designed for 1/4” to 28-1/2” (6-724mm) diameter pipes

Available in 6 sizes in Silicone: designed for 1/4” to 28-1/2” (6-724mm) diameter pipes

Colours Red and Black

SKU N/A Category

Description

When it comes to sealing roof penetrations, flexibility and reliability are key. Whether you’re working on a new construction project or retrofitting an existing roof, a high-quality flashing system is essential for maintaining a water-tight seal and preventing costly leaks and water damage. The Master Flash® Multi-Flash Roof and Pipe Flashing is a cutting-edge, versatile flashing solution designed to meet the needs of both new and retrofit roofing applications. Available in either EPDM (Ethylene Propylene Diene Monomer) or Silicone material, the Master Flash® Multi-Flash combines the best of both worlds by offering two installation options in one product: it can function as a Standard Master Flash when left whole, or as a Retrofit Master Flash when cut open to accommodate existing penetrations.

This innovative two-in-one design provides roofing professionals and homeowners with an adaptable, high-performance solution that can be used for a wide variety of roof penetrations, offering lasting protection against water intrusion, extreme weather, and other environmental factors. Whether you’re installing new vent pipes, sealing HVAC ducts, or retrofitting an old roof, the Master Flash® Multi-Flash ensures a perfect seal every time.

Key Features of Master Flash® Multi-Flash Roof and Pipe Flashing

1.Two-in-One Functionality: Standard and Retrofit

One of the standout features of the Master Flash® Multi-Flash is its versatility. This flashing system can be used in two different ways:

  • Standard Master Flash (Whole Design): When left whole, the Master Flash® Multi-Flash functions like a traditional Master Flash. The flexible base provides a secure, mouldable seal around a wide variety of pipe sizes, ensuring a reliable and leak-proof installation for new construction projects. This whole design is ideal for applications where a clean, uniform seal is required around pipes and vent systems.
  • Retrofit Master Flash (Cut Open Design): The Master Flash® Multi-Flash can also be adapted for retrofitting existing roof penetrations. Simply cut the flashing along the designated lines to open it up, allowing it to fit over an already-installed pipe or vent. This makes the Multi-Flash an excellent solution for roof repairs or retrofitting, as it can be quickly and easily installed without the need to remove or disturb existing roofing materials or penetrations.

This two-in-one design gives roofing professionals the flexibility to use a single product for both new builds and roof repairs, streamlining the installation process and reducing the need for multiple types of flashing.

2.Available in EPDM and Silicone Materials

The Master Flash® Multi-Flash is available in two premium materials—EPDM and Silicone—each offering unique benefits based on the specific needs of your roofing system.

  • EPDM (Ethylene Propylene Diene Monomer): EPDM is a durable synthetic rubber that excels in resisting UV radiation, ozone, and temperature fluctuations. It is highly flexible, even in cold weather, and provides exceptional weatherproofing properties. EPDM is ideal for applications in areas with moderate to extreme weather conditions and is a popular choice for residential and commercial roofing systems.
  • Silicone: Silicone flashing offers superior heat resistance, making it the ideal choice for high-temperature applications such as around chimneys, exhaust pipes, or HVAC penetrations. Silicone is also highly resistant to UV rays and ozone, ensuring a long-lasting, reliable seal even in areas exposed to direct sunlight or harsh environmental conditions.

Both materials are designed to provide excellent performance, durability, and longevity, ensuring that the flashing will continue to protect your roof from leaks for many years.

3.Superior Weather Resistance

The Master Flash® Multi-Flash provides a reliable, long-lasting seal that can stand up to the elements. Both the EPDM and Silicone options are highly resistant to water, UV rays, ozone, and extreme temperatures, making them suitable for a wide range of climates and weather conditions.

  • EPDM: Offers excellent resistance to rain, snow, ice, and fluctuating temperatures. It remains flexible in cold conditions and can withstand prolonged exposure to UV rays without cracking or deteriorating.
  • Silicone: With its high heat resistance, Silicone is ideal for applications where temperatures can become extreme, such as around chimneys, exhaust pipes, or HVAC systems. Silicone’s excellent weathering properties ensure it will maintain a durable, leak-proof seal even in hot, sunny climates.

By providing superior weatherproofing, the Master Flash® Multi-Flash helps protect the integrity of the roof and the underlying structure, preventing water damage, mold growth, and costly repairs.

4.Easy and Quick Installation

The Master Flash® Multi-Flash is designed for ease of installation, whether you’re working on a new build or performing a retrofit. The flexible base can be easily molded to fit various pipe diameters, creating a tight, secure seal. For new installations, simply leave the flashing whole and mold it around the pipe. For retrofit applications, use the cut lines to open the flashing and slip it over the existing penetration.

The product is compatible with a wide range of roofing materials, including asphalt shingles, metal roofing, TPO, EPDM, and more. The flashing can be fastened securely with nails or screws around the edges to ensure it stays in place, even in high winds or extreme weather conditions.

The quick installation process reduces labor time and costs, making it a cost-effective solution for roofing professionals. Whether working on a large-scale commercial project or a small residential roof, the Master Flash® Multi-Flash helps ensure a fast and reliable installation.

5.Long-Term Durability and Performance

The Master Flash® Multi-Flash is designed to deliver exceptional long-term performance. Both EPDM and Silicone options are built to last for many years, even when exposed to harsh weather, UV radiation, and temperature fluctuations. The durable materials used in the flashing prevent cracking, shrinking, or degradation over time, ensuring that the seal remains intact and effective throughout the lifespan of the roof.

By choosing Master Flash® Multi-Flash, roofing professionals and homeowners alike can reduce the frequency of roof repairs and replacements, saving both time and money in the long run.

Benefits of Master Flash® Multi-Flash Roof and Pipe Flashing

  • Two-in-One Versatility: The Master Flash® Multi-Flash can be used as both a Standard Master Flash and a Retrofit Master Flash, offering maximum flexibility for a variety of roofing projects.
  • Premium Material Options: Available in EPDM and Silicone materials, both of which provide exceptional durability, weather resistance, and long-lasting performance.
  • Superior Weather Resistance: Resistant to UV rays, ozone, water, and extreme temperatures, ensuring a reliable seal in all weather conditions.
  • Easy to Install: Flexible and moldable base makes installation quick and easy, saving time and reducing labor costs.
  • Long-Term Durability: Designed for lasting performance, reducing the need for frequent repairs or replacements.

Applications of Master Flash® Multi-Flash

Master Flash® Multi-Flash is ideal for a wide range of roofing applications, including:

  • Vent Pipe Penetrations: Commonly used for sealing plumbing vent pipes, HVAC systems, and other roof penetrations.
  • Exhaust Pipes: Perfect for sealing exhaust pipes from heating systems, kitchen vents, and dryers.
  • Chimney and Flue Pipes: The Silicone version offers excellent heat resistance, making it ideal for chimneys and flue systems.
  • Retrofit Projects: The Retrofit design makes it perfect for sealing around existing roof penetrations during repairs or re-roofing projects.

The Master Flash® Multi-Flash Roof and Pipe Flashing is a highly versatile, durable, and easy-to-install flashing solution designed to meet the needs of both new construction and retrofit roofing projects. Available in EPDM and Silicone materials, this innovative two-in-one product offers roofing professionals and homeowners the flexibility to handle a wide variety of roof penetrations while ensuring reliable, long-lasting protection against leaks and water damage. With its superior weather resistance, quick installation, and long-term durability, the Master Flash® Multi-Flash is the go-to solution for anyone looking to ensure the integrity of their roof system.

Additional information

Colour

Black, Red

Material

EPDM, Silicone

Pipe Size

"#2 Standard Pipe Size:
7/8"" – 4"" (22 – 101mm) Retrofit Pipe Size: 1/2"" – 3 – 1/2"" (12 – 89mm)", "#3 Standard Pipe Size: 1/4"" – 5 – 3/4"" (6 – 146mm) Retrofit Pipe Size: 2"" – 4 – 1/2"" (50 – 114mm)", "#4 Standard Pipe Size: 2 – 3/4"" – 7"" (70 – 177mm) Retrofit Pipe Size: 2 – 1/4"" – 6 – 1/2"" (57 – 165mm)", "#5 Standard Pipe Size: 4"" – 8 – 1/4"" (101 – 209mm) Retrofit Pipe Size: 3 – 1/2"" – 6 – 3/4"" (90 – 171mm)", "#6 Standard Pipe Size: 4 – 3/4"" – 10"" (121 – 254mm) Retrofit Pipe Size: 4"" – 1/4"" – 9 – 1/2"" (108 – 241mm)", "#7 Standard Pipe Size: 5"" – 1/2"" – 11 – 1/2"" (121 – 254mm) Retrofit Pipe Size: 5"" – 11"" (127 – 279mm)", "#8 Standard Pipe Size: 6 – 3/4"" – 13 – 1/2"" (171 – 343mm) Retrofit Pipe Size: 5"" – 11"" (127 – 279mm)", "#9 Standard Pipe Size: 9 – 1/2"" – 20 – 1/2"" (241 – 343mm) Retrofit Pipe Size: 9"" – 20"" (228 – 508mm)", "#Maxi Standard Pipe Size: 12"" – 28 – 1/2"" (305 – 724mm) Retrofit Pipe Size: 13"" – 27"" (228 – 508mm)"

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Sizing Chart
Flashing Detail
Installation Guide