Quickflash HVAC Flashing A/C U-B Line Set (Brick and Stone)

$37.95

If you are looking for any of our other Quickflash flashing products, click below:

Quickflash Plumbing Flashing Panels

Quickflash Electrical Flashing Panels

Download the Quickflash Electrical Cross-Reference Sheet

Quickflash HVAC Flashing Panels (A/C U-C curved, for stucco and siding)

Quickflash HVAC Flashing Panels (A/C U-S square, for stucco and siding)

For our Main Quickflash Page, click here

Quickflash A/C Line Set Flashing Panel (Brick and Stone):

A/C U-B: Fits Single Line Sets with 1-1/2” to 3-1/2” Insulation Tubing.

Replaces A/C 150-B and A/C 250-B

Extended for Brick or Cultured Stone Exterior Finishes

size: A/C U-B (box of 2)
  • ARBOR DAY
  • Best Small Business Award
  • Customer Reviews
Vendors: Quickflash SKU: A/C U-B
  • 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.

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If you are looking for any of our other Quickflash flashing products, click below:

Quickflash Plumbing Flashing Panels

Quickflash Electrical Flashing Panels

Download the Quickflash Electrical Cross-Reference Sheet

Quickflash HVAC Flashing Panels (A/C U-C curved, for stucco and siding)

Quickflash HVAC Flashing Panels (A/C U-S square, for stucco and siding)

For our Main Quickflash Page, click here

Quickflash A/C Line Set Flashing Panel (Brick and Stone):

A/C U-B: Fits Single Line Sets with 1-1/2” to 3-1/2” Insulation Tubing.

Replaces A/C 150-B and A/C 250-B

Extended for Brick or Cultured Stone Exterior Finishes

Quickflash HVAC Flashing A/C U-B for Brick and Stone

Quickflash HVAC Flashing A/C U-B: Fits Single Line Sets with 1-1/2” to 3-1/2” Insulation Tubing.

Replaces A/C 150-B and A/C 250-B

Extended for Brick or Cultured Stone Exterior Finishes

Quickflash HVAC Flashing Panels

Quickflash Weatherproofing Panels provide the natural building industry with the ultimate solution to weatherproofing plumbing, electrical, gas and HVAC wall penetrations and protrusions.

Quick, Reliable Installation

Quickflash is quick and easy to install, the patented, made in the USA flashing panels replace the old, unreliable caulking, tape flashing, and/or sheet metal flashing methods all together--saving the builder thousands of dollars a year from potential moisture related problems such as toxic mold and possible litigation.

Why Take the Risk with Inferior Systems?

Quickflash flashing is a key component in the building process. Quickflash panels complete the building envelope system and offer a no caulk friction seal for reducing liability for moisture intrusion, creating an air barrier, and even preventing insect infestation through the penetrations or protrusions. Caulking breaks down over time. Incomplete and improper caulking of penetrations is one of intrusion. Any time the building envelope is breached, proper sealing is essential. You flash everything else--doors, windows, vents--now you can flash the exterior penetrations as well, so why take the risk?

Warning: All Quickflash® products maximum heat threshold is 160 °F. Quickflash® products are combustible and should be protected from flame and other high heat.

Quickflash HVAC Flashing Installation is Quick and Easy

(see videos and PDFs below for details for installation both before and after WRB is installed)

Quickflash Quick and Easy Installation

Always reference the product catalog and/or electrical cross-reference for the correct size Quickflash® panel to install

Always use the correct the size panel. Do Not cut the Rubber Seal. Use of fasteners is optional.

Warning: All Quickflash® products maximum heat threshold is 160 °F. Quickflash® products are combustible and should be protected from flame and other high heat.

Installation videos for applications using housewrap / Weather Resistant Barrier (WRB)

Fits Line Sets with1 1/2" to 3 1/2" -" Insulation Tubing

(sold in boxes of 2 or 4 only)

All Quickflash® Flashing panels 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 35 lbs
  • size A/C U-B (box of 2), A/C U-B (box of 4)

Quickflash also makes Electrical Flashing Panels and Plumbing Flashing Panels!


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