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Frost King®

16-Inch X 48-Inch R-3 Value Construction Fiberglass Instulation

Mfg.#
SP1/12
Sku#
1871979
  • 2-1/16 in wide strapping
  • Straps can be fastened using either nails or bolts
  • Some KST straps install only with nails

* Estimated stock levels as of Sat, Apr 11, 2026. All items subject to prior sale. Prices may vary between stores and online. Please call ahead to confirm availability of items marked as Limited Stock.

Description

Creates an insulating barrier that retains heat or cold, seals out weather and damps vibration. Can be used around water heaters, oil burners, heating and air conditioner ducts. Prevent heat loss and sweating on pipes, auto-hood and trunks.

Specifications

General

Coverage Area 5.6 sq-ft
Material Steel
R-Value R-3

Dimensions

Length 48 in
Thickness 3/4 in
Width 16 in

Manufacturing Details
The following information is subject to change without notice

Country of Origin US
Shop USA Yes

Label Information

Certification, Codes, Standards FLORIDA FL17244 Approved; ICC-ES 3455 Listed

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