Is the foil backing aluminum or is it some kind of paper/aluminum stuff?

It is metallized plastic, NOT aluminum foil. Also it is flammable (burns when exposed to a flame).

Is it rated for 220 degrees?

The product doesn’t specify any temperature range. I’d be careful of anything that hot. Product is designed for water pipes.

Can this be used outdoor pipe exposed to multiple variety of weather conditions?

Probably not. The foil backing is only on one side and is pretty flimsy, and the fiberglass insulation will get soggy in the rain.

Is this appropriate insulate a ceiling register box?

I don’t see why not. But this is for pipes and is only 3” wide so you’d use quite a bit to wrap a register box depending of course on how big the box is.

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Frost King ホイルバックファイバーグラスパイプラップ 3インチx1インチx25フィート

Frost King ホイルバックファイバーグラスパイプラップ 3インチx1インチx25フィート

Product ID: 744241425

Details

Brand
Frost King
Item Thickness
1 Inches
Material
グラスファイバー
Product Dimensions
35.6L x 7.6W
Recommended Uses For Product

📏3in x 1in x 25ft wrap size

🔥1in thick vapor barrier cuts heat loss

🛠️One-step easy installation

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€ 104.49

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Sold byAmazon AustriaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔥 Wrap it right, save energy tight! 🛠️

DURABLE RELIABLE - Crafted with sturdy fiberglass and foil backing to withstand temperature extremes and protect your pipes year-round.
TRUSTED BY THOUSANDS - Highly rated with 4.4 stars from over 2,300 users—join the savvy crowd who won’t settle for less.
EFFORTLESS INSTALLATION - Simple one-step application saves time and hassle—perfect for busy professionals upgrading their home systems.
ADVANCED VAPOR BARRIER TECHNOLOGY - 1-inch thick foil-backed layer dramatically reduces heat loss and prevents condensation on cold pipes.
PRECISION FIT MAXIMUM EFFICIENCY - Tailored 3-inch by 1-inch by 25-foot fiberglass wrap ensures seamless pipe coverage for optimal insulation.

The Frost King Foil-Backed Fiberglass Pipe Wrap (3"x1"x25ft) features a 1-inch thick vapor barrier that minimizes heat loss and prevents pipe sweating. Designed for easy one-step installation, this durable insulation solution is highly rated for protecting pipes in extreme temperatures, making it a smart choice for energy-conscious professionals.

Specifications

ASIN	B000BQSMCG
Brand Name	Frost King
Customer Reviews	4.4 4.4 out of 5 stars (2,501)
Global Trade Identification Number	00077578014999
Included Components	Frost King フォイルバックファイバーグラスパイプラップ 3インチx1インチx25フィート
Item Dimensions L x W	35.6L x 7.6W cm
Item Thickness	1 Inches
Item Type Name	Frost King フォイルバックファイバーグラスパイプラップ 3インチx1インチx25フィート
Item Weight	0.5 Ounces
Manufacturer	THERMWELL PRODUCTS
Manufacturer Part Number	SP42X/16
Material Type	グラスファイバー
Model Number	SP42X/16
Recommended Uses For Product	パイプを断熱し、熱損失を防ぎ、結露を防ぎます。
UPC	077578014999
Unit Count	1.00 Count

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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€ 104.49

Duties & taxes included

In stock

Sold byAmazon AustriaDelivered 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 Austria.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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The product exactly matches the description. Very satisfied with my purchase.

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