Superflex™ RTV Silicone Adhesive Sealant, Cartridge, Black

Superflex™ RTV Silicone Adhesive Sealant, Cartridge, Black

Marsoni

M251S

$66.95

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

Superflex™ RTV Silicone Adhesive Sealant, Cartridge, BlackGeneral purpose, one part silicone adhesive, cures at room temperature to form a tough rubber seal Will not slump in overhead or vertical applications Withstands extreme temperature cycling, U. V. light and ozone Cannot be painted Tack free in 30 min. 24 hrs., full strength Temperature range 65F to 450F ( 54C to 232C) intermittent Specifications Format 190 ml Colour Black Container Type Cartridge Country Of Origin United States

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Exchange/Return Notes

We offer a 30-day return/exchange service after receiving.
Final sale items are not eligible for returns or exchanges.
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We used these in our pantry and dining room for shelves and they turned out well. The only reason they are hard to install is because of the design (which is very nice) so it is worth it. It just takes time when you you are hanging the shelves, to do it correctly. While they can hold a lot, we realized that a bunch of cans or jars cannot go on these shelves. Luckily we had another option for heavy items (Example: We had about 40ish pounds of cans/jars on a 1x12 board that is 33 inches long with 2 of these brackets...and it was too much). If you do not need to hold a lot of weight, these shelves are a for sure, for the price and quality. If you NEED they for something heavy, then you probably will have to go with something more practical from a hardware store. We LOVE them for our pantry!

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Reviewed in the United States on March 28, 2020

Verified Purchase

FredsMyth

Massapequa, US

★★★★★ 5

Worked as intended

Hubby used these to mount a shelf above a long span of windows. They worked great and allowed a clean visual appearance.

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Reviewed in the United States on December 7, 2025

Verified Purchase

Amazon Customer

Draper, US

★★★★★ 5

Nice brackets

These are nice sturdy brackets for butcher block shelf however they do bend a bit. We installed in a corner so was able to pin to side wall no problems on big shelf. The smaller shelf about 18” moves a bit up and down when loading. Now very little and no worries about it but not rock solid

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Reviewed in the United States on January 20, 2024

Verified Purchase

Massapequa, US

★★★★★ 5

Easiest shelf brackets ever!

Live these! They were great look good and we’re easy to install

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Reviewed in the United States on December 12, 2025

Verified Purchase

Calichef

Boise, US

★★★★★ 5

Sturdy Shelf Brackets

I really like these shelf brackets. They seem very sturdy, which is great for my laundry room shelves over the washer & dryer pair. It's going to be great to FINALLY have shelves for laundry supplies or "buyers' club" household items like 12-packs of paper towels or 36-packs of T.P. I can hardly wait to have my sons install them so I can fill them up!

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Reviewed in the United States on August 13, 2023