For insulation under an extremely steep roof, 36-inch spacing still may allow sagging of roll insulation. In these cases, experts suggest 24 inches or even closer spacing of insulation supports.
For a standard installation, such as in a crawl space, using supports every 36 inches is fine. Use more supports for steep roofs.
Rachel Murdock published her first article in "The Asheville Citizen Times" in 1982. Her work has been published in the "American Fork Citizen" and "Cincinnati Enquirer" as well as on corporate websites and in other online publications.…
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