Quickflash Lightning Flash Corner Flashing

$50.00

    The Quickflash Lightning Flash Corner Flashing is a one-piece weatherproof Flashing Corner for builders that need cost effective window pans under their windows. These corners have been designed with vinyl and aluminum windows in mind.

    LF - Outside Corner Flashing (2.5" x 2.5") is sold in boxes of 100 only.

    LFXLA - Outside Corner Flashing and LFXLB - Inside Corner Flashing are sold in boxes of 50 only (4" x 4" x 4").

Quickflash Lightning Flash: XL Outside (box of 20)
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Vendors: Quickflash SKU: XLFXLA
  • Easy Returns

    Easy Returns

    Return within 30 days of purchase date

  • Technical Support

    Technical Support

    Available 9am - 5pm EST Mon-Fri

  • Customer Support

    Customer Support

    Available 9am - 5pm EST, Mon-Fri

  • Fast Shipping

    Fast Shipping

    Ships within 48 hours if in stock

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96% of customers rate this company 4- or 5-stars
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Clint D. Verified Customer
09-18-25

Love it

Evgenii B. Verified Customer
09-17-25

oil is fire! delivered quickly and accurately! very grateful! have a nice day guys!

Mike S. Verified Customer
09-16-25

Nice east instal even tho my house has odd spacing for the ceiling joists Also nose to get the insulation I was missing

Michael S. Verified Customer
09-14-25

Excellent customer service and received the products in a very timely manner. Wouldn't hesitate again to purchase from Eco- Building!

Mary W. Verified Customer
09-12-25

First product shipment arrived damaged, they resolved quickly by shipping a replacement. The replacement was received today. Thank you.

Joseph G. Verified Customer
09-10-25

no complaints. good product and arrived in a timely manner

Robert R. Verified Customer
09-10-25

This cover was perfect for what I needed. I had 24 cans to do - easy install. Should see a difference this winter.

Nicholas R. Verified Customer
09-07-25

Great

Alan G. Verified Customer
09-06-25

Great purchase!

Dawna F. Verified Customer
09-04-25

Good folk. Quick delivery. Good product.

slide 3 of 50

    The Quickflash Lightning Flash Corner Flashing is a one-piece weatherproof Flashing Corner for builders that need cost effective window pans under their windows. These corners have been designed with vinyl and aluminum windows in mind.

    LF - Outside Corner Flashing (2.5" x 2.5") is sold in boxes of 100 only.

    LFXLA - Outside Corner Flashing and LFXLB - Inside Corner Flashing are sold in boxes of 50 only (4" x 4" x 4").

Quickflash Lightning Flash Corner Flashing

The Quickflash Lightning Flash Corner Flashing is a one-piece weatherproof Flashing Corner for builders that need cost effective window pans under their windows. These corners have been designed with vinyl and aluminum windows in mind.

LF - Outside Corner Flashing is sold in boxes of 100 only.

LFXLA - Outside Corner Flashing and LFXLB - Inside Corner Flashing are sold in boxes of 50 only.

Quickflash Lightning Flash XL Corners are a heavy duty & LARGER flashing corner design. They are designed for any type of recessed wall condition or transitional flashing application. Can also be used with inside corner for pot shelves and recessed windows.

LF: 2.5" x 2.5"

LFXL: 4" x 4"

Quickflash also makes Electrical Flashing Panels and Plumbing Flashing Panels!

LF corner flashings are 2.5" x 2.5"

The XL corner flashings are 4" X 4" X 4"

  • Reduces liability
  • Economical — saves time and labor
  • Easy to integrate with building envelope
  • Non-corrosive and non-conductive

All Quickflash® Products are made in the USA Quickflash® Weatherproofing Products, Inc. products are covered by one or more of the following United States Letters Patent: 6,395,984; 6,543,186; 6,596,938; 6,649,835; 7,305,801; 7,389,616; 7,730,681; 7,640,699; 6,860,070 and other patents pending

  • Weight 20 lbs
  • Dimensions 1.3 × 1 × 1 in
  • Quickflash Outside (box of 100), XL Outside (box of 20), XL Inside (box of 20)
  • Lightning Flash

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