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This is a 3-inch-wide, 1-inch-thick, 25-foot roll of foil-backed fiberglass pipe wrap with an R-value of 3.3. The foil facing acts as a vapor barrier, so it insulates hot water lines against heat loss and cold lines against summer condensation and sweating. It suits homeowners wrapping exposed basement, garage or crawlspace pipes, and it is a low-cost step up from bare foam noodles on hot lines. Reviewers rate it well overall, though the fiberglass is itchy to handle and the foil can tear during a tight wrap.
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Buyers rate it highly and mostly use it to stop sweating on cold lines and heat loss on hot ones. Complaints center on the itch of handling fiberglass and the foil tearing during installation.
Frost King Foil Backed Fiberglass Pipe Wrap insulates pipes to keep hot pipes hot and cold pipes cold. On hot water pipes, it cuts wasteful heat loss. On cold water pipes, it helps keep them from sweating in summer heat.
The wrap is 1 inch thick fiberglass with a foil backing. The backing works as a built-in vapor barrier. It has an R-value of 3.3 and is quick and simple to install.
