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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.


| 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 |
T**M
THE Best Product On The Market For HVAC Duck Insulating
This is a terrific product that does just exactly what it was designed to do! I used it to wrap the HVAC supply runs in my older home and what a difference it has made! Very easy to work with. But just like any project, make sure you know what you are doing. Long sleeves, light gloves, a hat and even a face mask helps because the insulator in this product is fiberglass and it can shed in the installation process. That is to be expected. I think you would be very hard put to find a better product for it's intended use.
N**N
Satisfied with purchase
Great value
M**E
Isolation pour tuyau de hotte
L'espace est restreint. Tape métalique comme pour sécheuse. chaleur.
M**T
Much needed insulation
Worked good for covering duct work around vent boots
M**N
Worked well and quality was good
Worked well for insulating bathroom exhaust tubing. No issues other than it does shed lots of fiberglass partials so wear a mask for overhead work.
Trustpilot
1 month ago
1 month ago