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3M Fire Barrier Electrical Box Inserts EBI-5, 3.75 in x 3.75 in x 3/16 in
✅ In stock
📉 Price recently dropped
F
Grade
Analysis Confidence
88%
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Sep 24, 2026 5:23 PM · Prices & availability subject to change
Is This a Good Price on Amazon?
💤 Not a Deal- 💤Verdict: Not a Deal. Price is at or above historical norms. Best to wait for a sale.
- 💰The current price is slightly above the going rate for this product — worth watching for a drop.
- 📉Better-priced windows have occurred before, though not frequently — today's price is reasonably competitive.
- 📈The direction is downward at the moment; if that holds, an even better price may surface — though timing the market is never certain.
How We Scored This Deal
Price Competitiveness
0/28
Recent Value
0/22
Market Standing
6.52/20
Deal Strength
0/20
Momentum
10/10
📝 Product Overview
🏪 Sold by
Amazon.com
Product Details
✓Protection of membrane penetrations for listed metallic boxes
✓Tested in accordance with ASTM E814 (UL 1479) (Certified as a Wall Opening Protective Material, UL Category CLIV).
✓STC rating of 62 when tested in a STC 62 rated wall assembly
✓Flexible
✓Convenient slits for access to wiring
✓Great for new construction and retro fit applications
✓Full adhesive backing for easy installation
✓For industrial/occupational use only. Not for consumer sale or use
⚙️ Specifications
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}
$388.66
$540.17
$16.06
$14.00
$95.77
5A+
615+
FB
CP 25WB+
MPP+
Fire-resistant wrap that consists of an inorganic fiber blanket encapsulated with a scrim-reinforced foil
Fire-rated duct wrap consisting of an inorganic fiber blanket encapsulated with a scrim-reinforced foil
Fireblock and draftstop used to help seal, fill, insulate and bond for non-rated residential and commercial construction
One-component, latex-based, intumescent sealant that dries to form a monolithic firestop seal
One-part firestop material used in various fire-rated assemblies, such as electrical box protection
Plenum Wrap
Duct Wrap, Duct Wrap Collar
Foam
Sealant
Moldable Putty Pad
