Guardian Fiberglass Insulation

Guardian Fiberglass, Inc., manufactures a complete line of light-density fiberglass building insulation products for the construction markets in the United States and Canada. Guardian is now the fourth largest manufacturer, and follows aggressive marketing principals. The company has been awarded numerous “Vendor of the Year” designations from major buying group customers. Guardian is know for its positive, hard-writing people, entrepreneurial spirit, and commitment to its customers, the independent lumber dealers.

Tri-County Lumber has R11, R13 and R19 insulation in stock, with others available on a quick ship basis.

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  1. John White
    Posted October 7, 2017 at 2:25 pm | Permalink

    Looking for price on Guardian insulation for garage ceiling.R13 or R15 3.5 thick X 23 wide X 32 ft long in face roll. I need 8 rolls, length of garage is 29 ft.

    • Posted October 9, 2017 at 8:46 pm | Permalink

      Our stock insulation R11 comes in a bundle with 133.7 square feet in pre-cut batts at a cost of $32.09 per bundle or 24ยข per square foot. I called Guardian and they are not offering this in a continuous roll. Would you be interested, perhaps, in the R19 that’s 6″ thick?
      Thank you,

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