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3M Fire Block Sealant Case Review

2

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Very good

Revainrating 4 out of 5  
Rating 
4.0
🔌 Caulk, 🔒 Tapes, Adhesives & Sealants

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Description of 3M Fire Block Sealant Case

RESISTS HIGH TEMPERATURES (up to 2000F): Water-based, non-combustible draft, smoke and fire-blocking sealant designed to resist high temperatures and smoke passage in non-rated construction. SEAL INTERIOR CONSTRUCTION VOIDS: Superior adhesion strength, caulk rate and non-sag application, plus a halogen-free formula. No mixing required. FAST DRY: Tack free in approximately 15 minutes. BONDS TO MOST CONSTRUCTION SURFACES: Concrete, brick, gypsum, metals, wood, plastic, glass and cable jacketing.Coverage (linear ft.):29. EASY TO CLEAN UP with water and no special handling – routine disposal. THIXOTROPIC: Will not sag or run in vertical or overhead applications. Minimal shrinkage. APPLIED WITH STANDARD CAULKING GUN, pneumatic pumping equipment or it can be easily applied with a putty knife or trowel.

Reviews

Global ratings 2
  • 5
    1
  • 4
    0
  • 3
    1
  • 2
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  • 1
    0

Type of review

Revainrating 3 out of 5

Frequent User - Adhesive Sealant

I do low voltage work for a living and anything in this condition should be blocked by fire. I usually buy it at Lowes or Home Depot, but it was a few bucks cheaper at the Prime Store. My problem is that for lack of a better word I would describe it as watery. It hardened, but it took much longer than usual. I had a few spots where it just dripped back out of the hole. Normally a good product but I'm not familiar with Revain.

Pros
  • THIXOTROPIC: Will not sag or run when applied vertically or across the floor. Minimal shrinkage.
Cons
  • I don't remember but there was something

Revainrating 5 out of 5

I used this to cover my entire outlet.

I used it to seal all of my outlets and all of the light switches in my house. Before using this product I sometimes heard a whistle, not anymore. Using about 1/3 the tube per square foot I have eliminated air getting in and out of the house and am saving money on heating and heating bills every day. This product is not a silicone sealant. Instead, it's a refractory material that you can use in your electrical connections. I've also found that if you need to remove it, it's just how a…

Pros
  • INTERNAL STRUCTURAL HOLLOW SEAL: Excellent adhesion, seal speed and no sagging, and halogen-free formula. Mixing is not required.
Cons
  • Doubtful