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Quickseam Corner Flashing

Price range: £11.57 through £231.40

inc VAT

The Elevate QuickSeam Corner Flashing is a pre-cut, circular uncured EPDM flashing laminated to QuickSeam Tape, designed to seal outside corners or serve as a cover patch for repairs. Available individually or in packs of 20, it offers quick, reliable detailing with excellent formability and long-term weather resistance.

Rebranded from Firestone to Elevate — same product, same quality, new name.

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Description

The QuickSeam Corner Flashing is a 216 mm diameter round patch made from uncured EPDM factory-laminated to a cured QuickSeam Tape backing. It simplifies the flashing of outside corners, terminations, and other small details in Elevate EPDM roofing systems, ensuring watertight protection and clean detailing.

The flexible uncured EPDM material conforms easily to irregular shapes and corners, while the factory-applied QuickSeam Tape provides consistent adhesion when used with Elevate QuickPrime Plus. It can also be used as a cover patch for small repairs on EPDM membranes.

Key Features & Benefits

  • Fast, Pre-Formed Corner Flashing – Saves time and simplifies detailing for outside corners.
  • High Flexibility – Uncured EPDM allows easy shaping around corners and irregular profiles.
  • Durable, Weatherproof Seal – Excellent resistance to UV, heat, cold, and moisture.
  • Versatile Use – Suitable for both new installations and small EPDM patch repairs.
  • Available Individually or in Bulk – Supplied singly or in boxes of 20 for convenience on site.
  • System Approved – Designed for use with Elevate QuickPrime Plus within the full Elevate EPDM system.

Preparation

Ensure all surfaces are clean, dry, and free from dust, grease, or contaminants.

Prime all EPDM and mating surfaces using Elevate QuickPrime Plus, applied with a Quickscrubber Pad & Handle.

Restore the product to room temperature before use if it has been stored below 15 °C for prolonged periods.

Use of alternative primers or cleaning agents is not permitted.

Application

On cold days (below 5 °C), gently warm the QuickSeam Corner Flashing using a heat gun to improve flexibility and formability.

On normal or warm days, pre-heating is not necessary.

Once the primer is dry, remove the release liner and carefully position the Corner Flashing over the prepared area.

Press the flashing into place, ensuring full contact with the primed surface.

Use a hand roller to apply uniform pressure, working from the centre outward to eliminate air bubbles.

If used as a repair patch, ensure the patch overlaps the damaged area by at least 75 mm on all sides.

⚠️ Important: Always use Elevate QuickPrime Plus with this product, applied using Quickscrubber Pads & Handles.

Technical Data
Property Specification / Details

Product Type: Uncured EPDM laminated to QuickSeam Tape
Shape / Dimensions: Circular, 216 mm diameter
Application Method: Applied with Elevate QuickPrime Plus using Quickscrubber Pads
Use Cases: Flashing outside corners or as a cover patch for repairs
Temperature Resistance: Excellent resistance to heat and cold
Moisture Resistance: Excellent
Curing State: Uncured (high formability)
Storage Temperature: 15 – 27 °C
Shelf Life: 12 months (unopened, stored correctly)
Packaging Options: Available individually or in boxes of 20
Colour / Appearance: Black EPDM circular patch with release liner

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Compatibility Notes

Use only with Elevate QuickPrime Plus, applied using Quickscrubber Pads & Handles.

Compatible with all Elevate EPDM membranes and flashing accessories.

Designed for outside corners, penetrations, and small repairs.

Not suitable for use on unprimed or dirty surfaces.

For best performance, apply above 5 °C or warm the product slightly in colder conditions.

Precautions & Storage

Store in original unopened packaging between 15–27 °C.

Protect from direct sunlight and excessive heat.

If exposed to cold, allow to return to room temperature before application.

Avoid stretching during installation — uncured material is intended for shaping, not elongation.

Shelf life: 12 months when stored under recommended conditions.

Rebranded from Firestone to Elevate — same product, same quality, new name.

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Elevate

Elevate provides premium EPDM roofing systems designed for long-term durability and weather resistance. Backed by decades of innovation, their membranes offer flexibility, strength, and ease of installation for flat roof professionals.

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