When you need a flashing that works for both new installations and repairs, the Master Flash Multi Flash is the perfect choice. Designed for maximum versatility, it can be installed as a standard flashing on new pipe penetrations or adapted as a retrofit solution when replacing older, damaged units. Made from durable EPDM or high-temperature silicone with a formable base, it suits a wide range of roof types and pipe sizes while maintaining a watertight seal.

Flexible enough to cope with roof and pipe movement, the Multi Flash is a practical, all-in-one option for contractors and homeowners who want a reliable solution for multiple roofing situations.

What is the Master Flash Multi Flash?

The Master Flash Multi Flash is a versatile flashing designed for both new installations and retrofit applications.

It combines the flexibility of EPDM or silicone with a practical design that makes it suitable for a wide variety of roof types and penetration sizes.

Why would I choose the Multi Flash over a standard flashing?

Unlike single-purpose flashings, the Multi Flash can be used in two ways: as a standard flashing for new pipe penetrations, or as a retrofit solution when replacing old or damaged flashings.

This flexibility makes it ideal for contractors and homeowners who want one product that covers multiple situations.

What roof types can it be used on?

The Multi Flash is particularly effective on metal roofs but can also be installed on other roofing materials where a universal solution is needed.

Its formable base adapts to different roof profiles, ensuring a secure and watertight fit.

What materials is it made from?

It is manufactured from durable EPDM or high-temperature silicone. Both options are resistant to UV, ozone, and harsh weather conditions.

The choice of material allows you to match the product to your specific application—for example, silicone for high-temperature exhausts.

What pipe sizes does it cover?

The stepped design of the cone allows it to be trimmed to fit a wide range of pipe diameters.

This makes the Multi Flash suitable for everything from small conduits to larger ventilation pipes.

Who is the Multi Flash best suited for?

The Multi Flash is ideal for contractors who want a single product that covers both new installations and repairs, as well as homeowners looking for a versatile flashing that can adapt to different applications.

Its dual-purpose design makes it a highly practical choice for anyone working with roof penetrations.

How does it work as a retrofit flashing?

The Multi Flash is designed so that it can be cut and fitted around existing pipes.

Once secured in place and sealed, it provides the same watertight performance as a standard flashing without the need to dismantle the pipework.

Is it suitable for high-temperature applications?

Yes. The silicone version of the Multi Flash can withstand higher temperatures, making it ideal for use around chimneys, flues, or industrial exhaust systems.

How easy is it to install?

Installation is straightforward. The cone is trimmed to size, the flashing is fitted over or around the pipe, and the base is pressed into shape to match the roof profile.

It is then secured with fixings and sealed to ensure a watertight finish.

Can it cope with roof and pipe movement?

Yes. The flexible cone is designed to move with the pipe and the roof structure.

This prevents the seal from cracking or loosening due to thermal expansion or vibration.

Best Flashing for Mixed or Dual-Purpose Use