SEM High-Build Primer Surfacer - 20oz Aerosol Can - Black [42003]

SEM High-Build Primer Surfacer - 20oz Aerosol Can - Black [42003]

Marsoni

M251S

$26.99

Get it in 3 business days with 1 day shipping. Friday, May 29

SEM High-Build Primer Surfacer - 20oz Aerosol Can - Black [42003]High Build Primer Surfacer 20oz Aerosol Can Black High Build Primer Surfacer is a flexible acrylic coating for priming steel, aluminum, urethane, fiberglass, and plastics. Features: Provides superior adhesion Excellent filling properties Works on multiple substrates, including metal and plastic Easy to sand Topcoat with most refinish material Applications: Steel Aluminum Plastic SMC Fiberglass Properties: 20 oz. Aerosol Coverage: 11 sq. ft. at 2 mil

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This is a must-have for in-wall wiring of your surround. I chose this one because I installed a 7.2 system with gold-plated jacks and it worked out great. You can get almost any combination of HDMI, subs/surrounds that you need (5.1, 5.2, 7.1, 7.2 etc). Do your planning on location and wire-routing; get good quality speaker wire and HDMI (high-speed with Audio Return Channel); get the remod-style mounting bracket/box then cut your hole at the same height/level as your electrical outlets and preferably between the same studs as your TV's wire-box so your HDMIs just run straight up to the TV (remember to install the bracket BEFORE you run your wires). When connecting the wires to these terminals, it's best to have 10 to 12 inches of wire coming out of the wall because you need space for your hands to manipulate the wires and nuts on the terminals. If you have a basement with access to the floor below the mounting location, it's best to drill 4 half-inch holes straight up through the bottom plate of the wall and feed your wires up those holes. Tip: If your TV and Surround Receiver are fully compatible you really only need 1 HDMI port on the wall plate, because you can plug your devices into the receiver and just sent the A/V/data to the TV while the audio is returned over the same HDMI.

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Reviewed in the United States on December 2, 2016

Verified Purchase

Robert E. Hoffman

New York, US

★★★★★ 5

Made a wire nest look fairly neat.

Size: 7.1 Surround + HDMI

My only complaint is that it wasn't available in black as it's in a dark walled home theater. However, it's behind the receiver so it's not real visible. It worked as expected and definitely kept the wiring neater and allowed me to run it through the walls.

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Reviewed in the United States on May 1, 2024

Verified Purchase

C. J. K.

Waukegan, US

★★★★★ 4

Good quality, not enough connections

Size: 7.1 Surround + HDMI

Good quality, I wish the sold the individual outlets because I had to buy multiple just to get 11.1 surround connections.

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Reviewed in the United States on August 13, 2025