If I want to use it to wrap heat/air duct pipes up in the attic, should the aluminum side be on the inside or outside?

Should be on outside. The shiny surface has two functions: If heating season, the shiny surface has less heat radiation into the attic than any other surface color. When cooling, that shiny surface reflects -reduces the absorption - of heat radiation.

Want to insulate the kitchen fan exhaust pipe; is this an appropriate product for that use? If not, what should I use?

This would work using aluminum foil tape for the seams.

This is a roll of insulation 12 inches wide -- 15 foot long and 2 inches thick, there may be sheets of material in the 2 inches but I never counted them -- it is just 2 inches total thickness

Can this be used to wrap an aluminum dryer vent tube to prevent condensation on the outside of the tube during the winter?

I used it to insult my bathroom fan duct running through the attic. I had a problem with condensation dripping down into the bathroom. This fixed the problem.

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Frost King THERMWELL PRODUCTS SP55/6 Foil & Fiberglass Duct SP55 Fiberglass Pipe Insulation, 12" x 15', Silver

Product ID: 276130942

Details

Brand
Frost King
Item thickness
5.08
Material
Fiberglass
Product dimensions
4.57L x 0.31W
Recommended uses for product
Insulation of

📏12" x 15' Coverage

🧰Dual Foil & Fiberglass Layers

🛠️R-4.3 Thermal Efficiency

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Description

🔥 Wrap it right, save it tight! 🛠️

GENEROUS 15 FOOT ROLL - Wrap more pipes and ducts with a full 15 feet of premium insulation—perfect for comprehensive home or vehicle projects.
VERSATILE APPLICATION - Ideal for heating and cooling pipes, ducts, auto hoods, and trunks—upgrade your entire system with one trusted product.
DUAL ACTION INSULATION - Combines reflective foil and durable fiberglass for enhanced vibration reduction and superior heat retention.
EASY SECURE INSTALLATION - Designed to be wired or taped firmly in place, ensuring a hassle-free setup that stays put through seasons.
SUPERIOR THERMAL BARRIER - Achieve optimal energy savings with a high R-4.3 insulation rating that keeps your HVAC system efficient and your space comfortable.

The Frost King THERMWELL SP55/6 Foil & Fiberglass Duct Insulation offers a powerful R-4.3 thermal rating in a 12-inch by 15-foot roll, combining reflective foil and fiberglass for superior heat retention and vibration reduction. Lightweight and easy to install, it’s engineered for versatile use on HVAC pipes, ducts, and automotive applications, making it a top choice for professionals and DIYers aiming to boost energy efficiency and comfort.

Specifications

ASIN	B000LNNHBU
Best Sellers Rank	#158,490 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #84 in Pipe Insulation
Brand	Frost King
Brand Name	Frost King
Country of Publication	USA
Coverage	30 sq ft coverage with an R-4.3 value
Customer Reviews	4.2 out of 5 stars 306 Reviews
Global Trade Identification Number	00077578022956
Included Components	Thermwell foil wrap
Item Dimensions L x W	4.57L x 0.31W Meters
Item Thickness	5.08 Centimeters
Item Type Name	Frost King SP55 Fiberglass Pipe Insulation, 12" x 15'
Item thickness	5.08 Centimeters
Manufacturer	THERMWELL PRODUCTS
Manufacturer Part Number	SP55/6
Material	Fiberglass
Material Type	Fiberglass
Model Number	SP55/6
Number of Items	1
Product dimensions	4.57L x 0.31W Meters
Recommended Uses For Product	Insulation of heating and cooling pipes, ducts, auto hoods, and trunks
Recommended uses for product	Insulation of heating and cooling pipes, ducts, auto hoods, and trunks
UPC	077578022956
Unit Count	1.0 Count

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461641CFA

Duties & taxes included

In stock

Sold byAmazon SenegalDelivered 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 Senegal.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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