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Flame Stopper Red Acrylic Latex Sealant 10 oz
Flame Stopper Red Acrylic Latex Sealant 10 oz

Flame Stopper Red Acrylic Latex Sealant 10 oz

Made in America

Support American manufacturers + independent hardware retailers in one purchase.

Seals fire-rated gaps and stays flexible - fire and heat resistant acrylic latex you can paint to match.
Flame Stopper MPN 3629-5-61 In Stock & Ready to Ship
Local Price Check i Local stores may price this as low as $11.99. Our online price is $12.99.
$12.99
Free shipping on orders over $149
Ships within 24 hours · most orders arrive in about 2 business days
Cases of 12 · Order in multiples of 12
Ships free on orders over $149 $14.99 flat shipping until your order reaches $149.

Sold by the Case

$155.88 per case of 12

Save $23.40 on orders $75+. Spend $75 or more to unlock 15% off cases plus free shipping — applied automatically at checkout.

Ships as a complete case of 12. Free shipping on orders $75 and up.

About Product Overview

Flame Stopper Fire Stop Caulk seals gaps and penetrations where fire code calls for a rated barrier - around pipes, conduit, and joints that need to hold back heat and smoke. This acrylic latex sealant stays permanently flexible after it cures, so it won't crack loose as materials expand and contract, and it takes paint if you need it to blend in. Built for indoor use with a standard caulk gun, it cleans up with just soap and water.

  • 10 oz cartridge, covers approximately 30 sq. ft.
  • Fire and high-heat resistant; also resists moisture
  • Acrylic latex formula, paintable, permanently flexible
  • Red color; made in the USA

The Details Specifications

Brand Flame Stopper
UPC 758706362952
Case Pack Quantity 12 per case
Retail Unit Quantity 12
Dimensions (L × W × H) 6 × 8 × 12
Weight 14 lbs
Country of Origin USA
Safety Data Sheet (SDS) Manufacturer documentation · opens in new tab
Price check

Go ahead. Check.

You're going to open the other tab. Everybody does. We'd rather say so than pretend otherwise — so open it. We'll wait.

When you're over there, check four things before you click buy.

01

Who's actually selling it

The brand name is on the listing. A different company is in the seller field. Those aren't the same thing, and the second one is who you're buying from.

02

Whether the warranty survives

Most manufacturers only honor a warranty when the unit came through an authorized dealer. We're authorized for Flame Stopper. A third-party marketplace seller usually isn't.

03

Where the box came from

Gray-market stock, returns repackaged as new, and outright fakes move through marketplaces constantly. It all looks identical in the photo. It stops looking identical when it fails.

04

Who you call when it breaks

Ours is a phone number with a person behind it who has held this product. M–F, 6 AM – 5 PM Pacific. (866) 469-8556

We're not always the cheapest.

Sometimes you'll find it for less. Sometimes you'll find it for more. On a lot of brands the number is identical everywhere it's sold legitimately — the manufacturer sets a minimum advertised price and every authorized dealer holds it. When a price sits well under that, it's worth asking why before it's worth celebrating.

How pricing actually works
Authorized dealer · Flame Stopper

Or skip both tabs and buy it down the street. Find a store near you →

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Every order helps keep your local hardware store on the corner.

Why we built NHG
You might find it for less locally. Independent retailers often offer competitive pricing — some products are even cheaper in-store than online.
Real expert advice — not search results. Independent hardware staff know their inventory and the local conditions you're working in.
Keep the neighborhood working. Every dollar spent at an independent retailer returns roughly 3x more to your local economy than at a national chain.

Ask our counter. Or theirs.

Most hardware stores can do more than you think. If we can't help you, the folks down the street probably can — just ask at the counter.

What we offer
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Their Counter
Try local first · we'll wait

The stores we send you to are local and independently run — often for generations, the kind of place where someone behind the counter knows the regulars. We don't own them. We just think they deserve the foot traffic. They can put most of what we sell on their next truck. Ask there before you check out here.

Find a local store →
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About our directory. National Hardware Group is an independent retailer and directory. The local stores we list and link to are separately owned and operated — we have no ownership stake in any of them, and most pay us nothing to be included. That includes plenty of stores flying a familiar banner that people don't realize are locally owned and run, not operated by a corporation. Store owners can choose to upgrade their listing for an enhanced presence or pickup features, but the base directory is free, and inclusion is never a paid endorsement.

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