What is the overall length?

NOT CONTINUOUS.. BREAKS EVERY 3-5’.

how well would this work on sealing the door on a gun safe?

I've never used it on a gun safe but I have used it on the door of a Weber Smoky Mountain and it worked fine. You may have to thin it out some in order for it to work in other applications.

Will this work on a green mountain daniel boone?

I bet it will if it has a lip close to the same width as the seal. Clean it with alcohol and use the food grade hi heat silicon first.

What exactly is it made of? Is it soft and cushiony?

It is made of nomex. Yes it is soft so it forms a seal.

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125 Black Nomex Self Stick Replacement for Big Green Egg Gasket High Temp w/LavaLock LG XL

Product ID: 23854288

Details

Brand
FireBlack
Color
black
Item Thickness
0.12 inches
Shape
Rectangular
UPC
720189986345

📏15 feet length

🔥2300°F flame proof

🛠️Ultra-temp self-stick backing

€ 44.56

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Description

🔥 Seal the heat, lock the flavor, own the grill game!

SLEEK BLACK FINISH - Professional-grade black gasket that resists burning and looks sharp on any grill.
GENEROUS 15 FOOT ROLL - Enough gasket to upgrade multiple smokers or tackle large projects without running short.
PROUDLY MADE IN THE USA - Top-tier quality and expert support from a trusted American brand.
UNMATCHED HEAT RESISTANCE - Withstands scorching temps up to 2300°F—your grill’s ultimate flame shield.
EFFORTLESS SELF STICK APPLICATION - Ultra-temp adhesive backing means no mess, no fuss—just peel, stick, and seal.

FireBlack 125 is a premium black Nomex gasket designed for Big Green Egg and other smokers, offering extreme heat resistance up to 2300°F. Measuring 15 feet long with a self-adhesive backing, it ensures a tight, fuel-saving seal that enhances temperature control and cooking efficiency. Made in the USA, this durable gasket combines professional-grade materials with easy installation to elevate your BBQ experience.

Specifications

ASIN	B017XZLZEO
Best Sellers Rank	#234,860 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #669 in Barbecue Tool Sets
Brand Name	FireBlack
Color	black
Customer Reviews	4.5 4.5 out of 5 stars (1,332)
Item Shape	Rectangular
Item Thickness	0.12 inches
Manufacturer	Island Outdoor, LLC
Model	FB125-SS
Part Number	FB125
UPC	720189986345 731236399889

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TrustScore 4.5 | 7,300+ reviews

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Very impressed with the quality and fast delivery. Will shop here again.

4 days ago

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Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

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€ 44.56

Duties & taxes included

In stock

Sold byAmazon CyprusDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Cyprus.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Rajesh P.

Customer service was outstanding when I had questions about the product.

2 days ago

Vikram D.

The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

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